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IBM 09-0572-000 Network Card User Manual

1. 186 IBM Mobile Systems HMM Bottom System Board Bottom View PCMCIA Connector HA Processor El System Expansion Connector EI Modem Connector E Random Access Memory IH SO DIMM Connector Hard Disk Drive Connector El RTC Battery E Power On Password Bypass Pads i ato A Te Lo AS 4 ThinkPad 701C 701CS 2630 187 Inverter Card Front View Light Emitting Diodes H System Board Connector He A Inverter Card Rear View Light Emitting Diodes FA Infrared Serial Port LCD Connector 188 IBM Mobile Systems HMM MultiPort Il Front View Port Connector MultiPort Il Rear View Release Lever External Display Port AC Adapter Port External Mouse Numeric Keypad Port External Keyboard Port Audio Out Audio In Parallel Port Serial Port No DONDOSES ThinkPad 701C 701CS 2630 189 Parts Listing 10 a pans 24 23 IBM Mobile Systems HMM 190 System Unit ThinkPad 701C 701CS Index FRU 1 OONNWDODOHRWND oo Latch Kit Includes logos and spring Display Cover Assembly Microphone Right Hinge Color LCD ThinkPad 701CS Color LCD ThinkPad 701C LCD Bezel
2. Step Location Quantity Length Bottom cover 1 4mm 6 Logic assembly 4 8 mm Note Make sure you use the correct screw ThinkPad 755CE 755CSE 755CV 755CX 9545 441 1120 Shield Assembly Battery Pack 1020 Diskette Drive 1030 Hard Disk Drive 1040 Keyboard Unit 1080 Status Indicator 1090 Standby Battery and Front IR 1100 Backup Battery 1110 Logic Assembly 1115 See the next page when you replace the parts 442 IBM Mobile Systems HMM The microphone cable can pick up electrical noise if the cable path is incorrect Do the following to place the cable in its correct position 1 Position the cable as shown Install the shield assembly 3 Move the end of cable to the right The following figure shows the final path of the cable Make sure the cable is not positioned in any shaded area ThinkPad 755CE 755CSE 755CV 755CX 9545 443 ry o e Lu Use the following table for reference when replacing parts Step Location Quantity Length Shield cover 1 4mm A Shield cover 2 6 mm Hi Shield cover 1 14 mm B Shield cover 1 Flat head Note Make sure you use the correct screw 444 IBM Mobile Systems
3. 1090 LCD Assembly 1100 Diskette Drive 1110 Hard Disk Drive 1120 System Board Speaker Locations te inthe an Bo ura A a T AL System Front View System Rear View System Interior View System Board Copyright IBM Corp 1995 Indicator Card Parts Listing Option Parts List 24 IBM Mobile Systems HMM General Checkout Use the following procedure as a guide for computer problems The diagnostic tests are intended to test only IBM products Non IBM products prototype cards or modified options can give false errors and invalid system responses 1 Obtain the failing symptoms in as much detail as possible 2 Verify the symptom Attempt to recreate the failure by running the diagnostic tests or retrying the same operation Note To run the diagnostics refer to How to Run the Diagnostics on page 45 3 Use the following table with the verified symptom to determine which page to go to Search the symptoms column and find the description that best matches your symptom then go to the page shown in the Go to column Symptom Go to Power failure The power indicator does not go on or stay on Power Systems Checkout on page 29 POST does not complete No beeps error code are indicated Symptom to FRU Index on page 34 and then use the No Beep Symptom
4. Acronyms Abbreviations and Terms Send Us Your Comments Do You Need Technical References Problem Determination Tips Phone Numbers U S and Canada NoticeS 62 ee e ee aE viii IBM Mobile Systems HMM Introduction Portable Computer Descriptions 2 Drive and Diskette Compatibility Matrix 4 Important Service Information 5 How to Use Error Messages 6 How to Read POST Error Messages 6 Safety Notices Multi lingual Translations 7 Safety Information 14 General Safety 0 14 Electrical Safety 15 Safety Inspection Guide 16 Handling Electrostatic Discharge Sensitive Devices 18 Grounding Requirements 18 Laser Compliance Statement 19 Screw Size Chart 2 20 Copyright IBM Corp 1995 1 Portable Computer Descriptions All models in the following table have VGA video Models N51 CL57 and P70 75 and Thinkpads 700x and 720x are Micro Channel systems All others are AT bus systems Model Type Processor Memory Hrd Dsk Model L40SX 8543 044 386SX 20 2M 18M 60M Model N45 SL 2614 065 386SL 25 2M 8M 80M 2614 067 386SL 25 2M 8M 120M Model N51 SLC 8551 025 386SLC 16 2M 10M 80M Model N51 SX 8551 033 386SX 16 2M 10M 40M Model CL57 SX 8554 045 386SX 20 2M 16M 80M Model P70 386 8573 031 80386 16 2M 8M 30M 8573 061 80386 20 2M 8M 60M
5. MB e DIMM card adapter CMOS RAM 128 Bytes VGA Video 10 4 inch 64K color TFT LCD color Diskette Drive Removable e 0 720 1 2 1 44 2 88MB 4 mode 3 5 inch e 0 720 1 44 2 mode 3 5 inch Hard Disk Drive Removable e 340MB 2 5 inch e 540MB 2 5 inch e 810MB 2 5 inch Super Video e Video accelerator Card e Video capture overlay e Video composite In Out CD ROM e 5 inch e Double speed e IDE interface DSP Card e Microphone jack e Headphone jack e Modem port IR Two infra red ports PCMCIA One Type lll or two Type Il ThinkPad 755CD 755CDV 9545 349 FRU Removals and Replacements This section contains information about removals and replacements e An electrostatic discharge ESD strap must be used to establish personal grounding The system board is sensitive to and can be damaged by electrostatic discharge Establish personal grounding by touching a ground point with one hand before touching these units e The arrows in the Removals and Replacements section show the direction of movement to remove a FRU or to turn a screw to release the FRU The arrows are marked in numeric order in square callouts to show the correct sequence of removal e When other FRUs must be removed before removing the failing FRU they are listed at the top of the page e To replace a FRU reverse the removal procedure and follow any notes that pertain to replacement See Lo
6. Part Number 30H2357 Printed in U S A
7. ThinkPad 755CE 755CSE 755CV 755CX 9545 1167 System Board Assembly Battery Pack 1020 e Diskette Drive 1030 e Hard Disk Drive 1040 e Keyboard Unit 1080 e Status Indicator 1090 e Standby Battery and Front IR 1100 e Backup Battery 1110 e Logic Assembly 1115 e Shield Assembly 1120 e DC DC Card 1130 e DSP Card 1140 e Interposer Card and Rear IR 1150 e Processor Card 1180 e PCMCIA Slot Assembly 1170 Notice The EEPROM on the system board contains the vital product data VPD that is system unit serial number system board serial number and other computer unique data When the system board is replaced the system unit serial number must also be restored Use the Set system identification utility on the maintenance diskette to restore the number Do not power off the computer when restoring the VPD The serial number label is attached to the bottom cover Notes 1 Before removing and replacing the system board make sure that the PCMCIA cards are removed and the eject levers are not sticking out 2 Do not pull the PCMCIA slot assembly while removing the system board 448 IBM Mobile Systems HMM a PCMCIA Slot Assembly Battery Pack 1020 e Diskette Drive 1030 e Hard Disk Drive 1040 e Keyboard Unit 1080 e Status Indicator 1090 e Standby Battery and Front IR 1100 e Backup Battery 1110 e Logic Assembly 1115 e Shield Assembly 1120 e DC DC Card 113
8. 2 The warranty for the system unit does not apply to all options AC Adapter 40W 49G2196 For Japan 49G2197 AC Adapter 100 125 V ac 40W 84G4320 This adapter is for U S only Audio Cable 66G5180 Car Battery Adapter 49G1148 Small Car Battery Adapter 84G4359 Diskette Drive Attachment Unit 66G5069 IC DRAM CARD 2MB 07G1414 IC DRAM CARD 4MB 07G1415 IC DRAM CARD 8MB 07G1416 IC DRAM CARD 16MB 66G0094 Microphone 66G7871 Travel Quick Charger 3 pin 85G1530 Quick Charger Cable 85G1531 DIMM 4MB 84G4323 DIMM 8MB 84G6545 DIMM 16MB 84G4324 DIMM Adapter Card 84G4322 Headset 85G1429 ThinkPad 755CE 755CSE 755CV 755CX 9545 465 Numeric Keypad Belgian Canadian French Danish Dutch French German Greek Hebrew Icelandic Italian Japanese Norwegian Spanish Swedish Finnish Swiss French Swiss German Turkish U K English U S English Black Keypad French German Italian Swedish U K English Norway U S English Black Keyboard French German Italian Swedish U K English Norway U S English Accessories Models 755x Keyboard Mouse Cable Tools Tri Connector Wrap Plug PC Test Card Audio Wrap Cable Screwdriver Kit ThinkPad 750Ce Hardware Maintenance Diskette This diskette is common to all ThinkPad models 466 IBM Mobile Systems HMM 95F5741 95F5466 95F5467 95F5467 95F6313 95F6314 95F5467 95F5741 95F5467 95F6316 79F6401 95F5467 95F6315 95F5468 95F5711 95F5715 95F5467 95F
9. 808X 1 PCMCIA Slot Assembly PCMCIA Device System Board n 860X Pointing device error when TrackPoint III is disabled External Mouse External Keyboard 3 System Board N 410 IBM Mobile Systems HMM Symptom Error FRU Action 861X 1 Reseat the keyboard Pointing device error when Track Point Ill cable TrackPoint III is enabled at the E Video card See 1080 Keyboard Unit on page 435 2 Keyboard 3 External Mouse 4 System Board 19990301 1 Reseat the boot 19990302 device 19990305 2 Check the startup sequence for the correct boot device 3 Check that operating system has no failure or is installed correctly 19990303 1 System Board Other codes not listed 1 Go to Undetermined above Problems on page 419 FRU Codes If an error is detected by the diagnostic tests a four digit FRU code is displayed The FRU code indicates two suspected FRUs Replace the FRU that is indicated by the two leftmost digits first then replace the FRU indicated by the two rightmost digits No FRU is assigned to code 00 If only one FRU is suspected the other FRU code is filled with zeros See the referenced page before replacing the FRU FRU Code FRU Action 10 System Board 11 Processor Card 16 DSP Card 17 Front IR Unit 18 Rear IR Unit 20 Memory See Memory Checkout on page 393 30 Reserved 32 External K
10. m Japanese Models Only The Japanese model of the ThinkPad 700C has an 89 key keyboard This keyboard is identified by the additional keys at the left and right sides of the spacebar When testing the diskette drive in the Japanese model the 1 2MB format 8 sectors per track and 15 sectors per track in addition to the 720KB and 1 44MB formats are tested to ensure correct operation A 2 0MB capacity diskette is required when testing the 1 2MB format Power off the computer and all external devices 2 Check all cables and power cords for correct connection Make sure that no diskettes are in the drives Power on all external devices 5 Power on the computer If any error message appears on the screen go to Symptom to FRU Index on page 82 gt If no message appears on the screen press Ctrl Alt Delete to continue After the cursor moves to the upper right corner of the screen press Ctrl Alt Insert to start the system program If the IBM logo screen does not appear insert the backup copy of the system partition into the diskette drive and start the system program again Then press Ctrl A and run the system checkout For information on how to disable the password see Power On Password 700 700C on page 97 6 Refer to the following table If you do not find your symptom listed go to Symptom to FRU Index on page 82 then go to Undetermined Problem on page 93 68 IBM Mobile Syste
11. 106 ThinkPad 700 Exploded View continued ThinkPad 700 700C 720 720C 9552 107 ThinkPad 720 720C Exploded View IBM Mobile Systems HMM 108 ThinkPad 720 720C Exploded View continued ThinkPad 700 700C 720 720C 9552 109 Locations Front View 110 EEBREEEEERBooseosooo Release Lever LCD Contrast Control Brightness Control System Status Indicator Power On Light green External Input Device Connector System Power Switch Keyboard Reverse Video Switch Hard Disk Drive Integrated Pointing Stick Battery Pack Diskette Eject Button Diskette Drive Speaker Volume Suspend Switch IBM Mobile Systems HMM System Board 700 BEEERBEBooseososs External Input Device Connector System Expansion Connector 240 pin Parallel Connector Serial Connector Diskette Drive Connector Password override connector Base Memory Card Interface Video Card Interface Backup Battery Connector Processor Card Interface Hard Disk Drive Connector Speaker Connector Voltage Converter Interface System Status Indicator Connector Keyboard Control Card Interface Rear side ThinkPad 700 700C 720 720C 9552 111 System Board 720 720C External Input Device Connector System Expansion Connector 240 pin Parallel Connector Serial Connector Password override Connector PCMCIA Connector Base
12. 3 5 inch 0 720 1 44 2 mode 3 5 inch Hard Disk e 340MB 2 5 inch Drive e 540MB 2 5 inch Removable e 810MB 2 5 inch DSP Card e Microphone jack Headphone jack Modem port 424 IBM Mobile Systems HMM Feature Description IR Two IR ports PCMCIA One Type lll or two Type ll ThinkPad 755CE 755CSE 755CV 755CX 9545 425 FRU Removals and Replacements This section contains information about removals and replacements e An electrostatic discharge ESD strap must be used to establish personal grounding The system board is sensitive to and can be damaged by electrostatic discharge Establish personal grounding by touching a ground point with one hand before touching these units e The arrows in the Removals and Replacements section show the direction of movement to remove a FRU or to turn a screw to release the FRU The arrows are marked in numeric order in square callouts to show the correct sequence of removal e When other FRUs must be removed before removing the failing FRU they are listed at the top of the page e To replace a FRU reverse the removal procedure and follow any notes that pertain to replacement See Locations for internal cable connections and arrangement information e When replacing a FRU use the correct screw size as shown in the procedures m Safety Notice 8 Translation on page 13 Before removing any FRU power
13. BEScNoEsSEND Telephony Jack Microphone Line In Jack Headphone Jack Power Switch Power Jack Serial Connector Parallel Connector External Display Connector Reset Switch Rear Infrared Port System Expansion Connector A multimedia portable expansion unit port replicator or port replicator with PCMCIA can be connected to this interface to support the following features 16 bit AT bus interface Serial port Parallel port Keyboard and mouse HDD connection LED control signals Visual signals Audio signals FDD signals PCMCIA signals Power controls Power line ThinkPad 755CE 755CSE 755CV 755CX 9545 459 Parts Listing IBM Mobile Systems HMM 460 System Unit 755CE 755CSE 755CV 755CX Index Component 1 arhwnd 2S5O0 OND 12 13 14 15 16 17 18 19 20 22 LCD Assembly 755CE LCD Assembly 755CSE LCD Assembly 755CX TFT VGA LCD Assembly 755CX TFT SVGA LCD Assembly Front 755CV LCD Assembly Rear cover 755CV Hinge Bracket Right Left Screw Rubber Lid Hinge Lid Right Left Top Cover 755CE Top Cover 755CSE Top Cover 755CV Top Cover 755CX LED Assembly Stand off LED Backup Battery Shield Case Upper IR Assembly rear IR Lens rear Battery Pack Ni MH Battery Pack Li ion for 755CX option for 755CV Interposer Card PCMCIA Slot Assembly Lower Shield System Board 755CE 755CSE 755CV System Board 755CX Proce
14. Common Devices Checkout 475 TrackPoint Il Checkout 476 If the TrackPoint Il does not work check the configuration If the configuration of the TrackPoint Il is set to Disabled or Off change it to Enable or On If the problem remains continue Note TrackPoint Il automatically compensates to adjust the pointer sensor This causes the pointer to move slightly on the screen and then stop Pointer movement might occur when a slight steady pressure is applied to the TrackPoint Il pointer when the computer is powered on or running or when exceeded temperature range requires re adjustment If the cursor floats or moves erratically power off and disconnect the mouse Power on the computer If the problem goes away replace the mouse If the problem remains replace the keyboard For click button or pointing stick problems 1 Go to the Easy Setup screen 2 Select an item with the pointing stick 3 Press either left or right click button 4 Verify that both buttons work correctly If the pointing stick or the click button does not work do the following 1 Reseat the keyboard cables 2 Replace the keyboard 3 Replace the interposer card 355x 360x 750x 755x 4 Replace keyboard control card 720 5 Replace the system board IBM Mobile Systems HMM TV Tuner The TV Tuner Pack hereafter called TV Tuner is an option for watching TV programs or videos on the IBM TFT color notebook computer The compu
15. If you have another DIMM to install insert it in the other socket the same way ThinkPad 755CE 755CSE 755CV 755CX 9545 433 1070 Diskette Drive Bezel e Battery Pack 1020 e Diskette Drive 1030 Insert a coin between the diskette drive bezel and the computer as shown and push the bezel from the bottom of the computer H to remove it 434 IBM Mobile Systems HMM 1080 Keyboard Unit Battery Pack 1020 Loosen the three screws H and push to release the four top cover latches at the rear side of the system unit When removing the screw covers MJ use a small screwdriver 435 ThinkPad 755CE 755CSE 755CV 755CX 9545 The keyboard unit is connected to the system board with flexible cables Warning Do not pull the keyboard cables The keyboard cables can be damaged if the keyboard is disconnected without releasing the three latches EMI Spring Plate Notes 1 When replacing the keyboard check that the three cables are clean and inserted straight and fully into the connectors Slide both ends of each latch at the same time to make sure that each cable is correctly inserted Go to Keyboard Auxiliary Input Device Checkout on page 396 and test all keys before returning the computer to the customer 2 When replacing the top cover insert the four latches at the rear side of the cover into the foot guide of the LCD push the right left and front sides to snap it into place Use
16. System Programs in Flash Memory System setup programs and diagnostic tests are stored in flash memory Flash Memory Update A flash memory update is required for the following conditions e New versions of system programs e New feature or options are added m When Updating Flash Memory Do not power off the computer disconnect the Vac power or remove the battery during the Flash update The system board will have to be replaced if the update is interrupted Updating Flash memory also resets all of the customer s configuration settings to the default values To update the Flash memory perform the following steps 1 Get the appropriate diskette which contains the update 2 Insert the System Program Service Diskette into drive A and power on the computer 3 Select Update system programs from the menu System Board and Processor Card Checkout The processing functions are performed by both the system board and the processor card Processor problems can be caused by either FRU However the processor card generally has a lower probability of failure When a numeric code calls the system board or the processor card as a FRU or the processor card is called by a diagnostic test by showing FRU code 11 use the following procedure to isolate the problem 1 Run the system board test to verify the symptom This test verifies both the system board and the processor card If no error is detected return to Genera
17. e If the voltage is not correct go to the next step 4 Unplug the AC adapter cable from the ac power outlet and wait for a few minutes 5 Plug the AC adapter cable into the ac power outlet 6 Measure the output voltage of the AC adapter e Ifthe voltage is still not correct replace the AC adapter e Ifthe voltage is correct plug the AC adapter cable into the computer and try the failing operation again e Ifthe problem goes away suspect the continuity or installation of the AC adapter cable e Ifthe problem is not corrected replace the voltage converter 72 IBM Mobile Systems HMM Checking the Car Battery Adapter 700 only If the output voltage from the cigarette lighter socket of the car is less than 10 5 V dc the power on indicator on the car battery adapter blinks and a noise can be heard continuously 1 Unplug the car battery adapter cable from the connector if connected 2 Plug the car battery adapter into the cigarette lighter socket Note If the adapter is already plugged in be sure to unplug the adapter from the cigarette lighter socket then plug it into the socket again 3 Measure the output voltage of the car battery adapter cable See the following figure Pin Voltage V dc 1 19 0 to 21 0 2 Ground e If the voltage is correct and the power on indicator on the car battery adapter is on all the time the car battery is working correctly Replace the voltage conv
18. x x Color Adjustment i By pressing and holding lt or you can change the color TINT Adjustment By pressing and holding lt or you can change the tint Bright Adjustment By pressing and holding lt or 5 you can change the brightness COL TNT 1 BRT Contrast Adjustment 1 By pressing and holding lt or cu you can change the contrast No function gt Reserved Auto Tune Sensitivity Selection LO Means the sensitivity of the TV is low In this mode the TV Tuner receives strong TV signals only To set LO press lt HI Means the sensitivity of the TV is high factory default In this mode the TV Tuner receives weak and strong TV signals To set HI press Time On Screen Message appears J D3S On Screen Message appears D35 for 3 seconds To set D3S press 1 DON DON On Screen Message always appears To set DON press Common Devices Checkout 479 Power on the TV Tuner Use the ThinkPad Features program or PS2 EXE to power on the TV Tuner then power on the internal device in the diskette drive compartment m Warning If power for the internal device is turned off when the TV Tuner is set up nothing appears on the LCD display Turn on power for the TV Tuner again If you are using DOS do one of the following Power on the computer and type PS2 from the co
19. 110 1 Go to Memory Checkout on page 317 2 IC DRAM Card or DIMM Card 3 System Board 111 1 Go to Memory Checkout on page 317 2 Expansion Unit Port Replicator 3 System Board 158 1 Set a HDP HDP was not set even though the supervisor password is set 159 1 Set a correct HDP HDP is not set the same as the supervisor password 161 1 Go to Checking the Backup Battery on page 326 Backup Battery 3 System Board p ThinkPad 755CD 755CDV 9545 331 Symptom Error FRU Action 163 Time and Date was not set Set Time and Date 2 System Board 173 Configuration data were lost 1 Select OK in the error screen then set time and date 2 Backup Battery 3 System Board 174 Perform Checking the Installed Devices List on page 346 before changing 1 Check Device Configuration 2 System Board 3 Diskette Drive Incorrect password entered at the supervisor password prompt any FRUs Assembly 4 Hard Disk Drive Assembly 175 177 178 1 System Board 183 1 Have the user examine the password power was off when the startup sequence was being updated 186 188 184 1 Reset the POP in POP check sum error Easy Setup 185 1 Reset the startup The startup sequence is sequence in not valid Suspect that Easy Setup 1 System Board 1 Set the system identification usi
20. 111 1 Go to Memory Checkout on page 393 2 Expansion Unit Port Replicator 3 System Board 158 1 Set a HDP HDP was not set even though the supervisor password is set 159 1 Set a correct HDP HDP is not set the same as the supervisor password 161 1 Go to Checking the Backup Battery on page 403 2 Backup Battery 3 System Board 163 1 Set Time and Date Time and Date was not 2 System Board set 408 IBM Mobile Systems HMM Symptom Error FRU Action 173 Configuration data were lost ls Select OK in the error screen then set time and date 2 Backup Battery 3 System Board 174 1 Check Device Perform Checking the Configuration Installed Devices List on 2 System Board page 422 before changing 3 Diskette Drive any FRUs Assembly 4 Hard Disk Drive Assembly 175 177 178 1 System Board 183 1 Have the user Incorrect password entered examine the at the supervisor password password prompt 184 1 Reset the POP in the POP check sum error Easy Setup 185 1 Reset the startup The startup sequence is sequence in the not valid Suspect that Easy Setup power was off when the startup sequence was being updated 186 1 System Board 188 1 Set the system identification using the ThinkPad 750Ce hardware maintenance diskette 190 1 Go to Checking the Depleted battery pack was Battery Pack
21. 2 When replacing the upper cover insert the two latches located on the rear side of the cover into the guide of the LCD foot then push the right left and front sides to snap them into place Be careful not to damage the suspend resume switch when putting on the cover ThinkPad 355x 360x 370C 750x 755C 755Cs 243 1050 IC DRAM Card e Battery Pack 1020 e Diskette Drive 1030 Warning The IC DRAM card is sensitive to physical shock Incorrect handling of the card can damage it The eject tape P N 53G9318 must be used to remove the card 1055 Diskette Drive Bezel e Battery Pack 1020 e Diskette Drive 1030 Insert a coin between the diskette drive bezel and the computer as shown and push the bezel from the bottom of the computer H to remove it 244 IBM Mobile Systems HMM 1060 Status Indicator e Battery Pack 1020 e Keyboard Unit 1040 Warning Do not pull the status indicator cable The cable can be damaged if the indicator is disconnected in step H without releasing the latch ThinkPad 355x 360x 370C 750x 755C 755Cs 245 The status indicator has three latches on its rear side and one on its front side For step EJ do the following 1 Release the rear latches by pushing each one with your thumb as shown in the figure The broken circles in the figure show the locations of the three latches 2 Release the front latch 3 Lift the indicator Rear View No
22. 22 Standby Battery For Belgium Dutch For Switzerland 23 Backup Battery agosto kw a0 6 See Digitizer Adjustment on page 205 308 IBM Mobile Systems HMM 66G5058 84G4316 84G4337 84G4317 66G5047 66G5057 84G4293 84G4355 66G5046 84G4290 84G5705 66G3754 66G9242 84G4329 66G5121 84G4287 84G5632 59G4056 84G4288 66G5122 66G5066 66G5068 84G4319 85G0961 84G4291 66G5050 66G5053 66G9228 84G4281 84G4282 84G4283 66G5051 66G5052 84G4292 66G3755 66G3761 66G3758 84G2263 Index 23a Attachment Holder 24 25 26 IC DRAM Card See Options Battery Pack Nickel Metal Hydride For Belgium Dutch For Switzerland For Danish Sweden Finland Norway Diskette Drive 4 mode Includes strap index 27 Diskette Drive 3 mode Includes strap index 27 Diskette Drive Removal Strap Base Plate Audio Card Keyboard Lock TrackPoint Il Cap Keyboard Assembly See keyboard list Leaf Spring Plate Upper Cover Keyboard Arabic Belgian Canadian French Danish Dutch Finnish French German Black Greek Hebrew Italian Japanese Latin American Norwegian Portuguese Spanish Swedish Swiss French Swiss German Turkish U K English U S English 84G2294 66G2820 66G2822 66G2821 66G5063 66G5060 84G2269 66G5123 84G2293 84G4289 66G0031 66G6444 66G0041 84G4318 66G0163 66G0161 66G0169 66G0160 66G0158 66G0157 66G0154 66G6402 66G0167 66G0164 66G0156 66G
23. 390 IBM Mobile Systems HMM ThinkPad 755CE 755CSE 755CV 755CX 9545 General Checkout 393 Memory Checkout 393 System Board and Processor Card Checkout 395 Keyboard Auxiliary Input Device Checkout 396 TrackPoint III Checkout 2 2 2 396 Diskette Drive Test 397 Power Systems Checkout 398 Power Management Features 405 Symptom to FRU Index 408 Numeric Error Codes 2 408 FRU Codes 411 Beep Symptoms 412 No Beep Symptoms 413 LCD Related Symptoms 413 Model 755CV Symptoms 414 Keyboard TrackPoint III Related Symptoms 416 Indicator Related Symptoms 416 Power Related Symptoms 416 Function Audio Related Symptoms 417 Peripheral Device Related Symptoms 417 Infrared Related Symptoms 418 Other Symptoms 418 Intermittent Problems 2 418 Undetermined Problems 419 Related Service Procedures 420 Status Indicators 0 420 How to Run the Diagnostics 421 Error Log oosa aot ee ERE A ee 8 421 Reset Pushbutton 0 2 422 Checking the Installed Devices List 422 Password Combinations 422 How to Run the Low Level Format 423 PC Test Card LED 423 Fn Key Combinations 2 423 How To Run the Keyboard Diagnostics 424 Product O
24. Battery pack Hard disk drive Diskette drive or the device attached to the diskette drive connector IC DRAM card or DIMM card PC Cards Note Remember that removing the hard disk drive an IC DRAM card or any adapter or device might cause configuration errors Ignore error code 174 4 Power on the computer Determine if the problem has changed 6 If the problem does not occur again reconnect the removed devices one at a time until you find the failing FRU 7 lf the problem remains replace the following FRUs one at atime Do not replace a non defective FRU e DC DC card e interposer card e LCD assembly e System board e Processor card gt moOoad se DI ThinkPad 755CE 755CSE 755CV 755CX 9545 419 Related Service Procedures This section provides information about the following e Status Indicators e How to Run the Diagnostics on page 421 e Error Log on page 421 e Checking the Installed Devices List on page 422 e Password Combinations on page 422 e How to Run the Low Level Format on page 423 e PC Test Card LED on page 423 e Fn Key Combinations on page 423 e How To Run the Keyboard Diagnostics on page 424 Status Indicators The system status indicators show the current computer status in different colors green yellow and orange Symbol Color Meaning q Blinking green Speaker sounds z Green Battery fully
25. LCD Assembly 750C 750Ce 4 LCD Assembly 750P 4 For Germany Gray For Germany Gray LCD Assembly 750Cs For Germany Gray Hinge Cover 750 For Germany Gray 4 4 Hinge Cover 750C 750Cs 750Ce For Germany Gray Hinge Cover 750P For Germany Gray Hinge Bracket Right Status Indicator Asse For Germany Gray Status Indicator Asse For Germany Gray Status Indicator Asse For Germany Gray Status Indicator Asse For Germany Gray Status Indicator Asse For Germany Gray Screw Cover For Germany Gray Left mbly 750 mbly 750C mbly 750P mbly 750Cs mbly 750Ce Speaker Shield Assembly Speaker Includes speaker holder Interposer Card 750 750P 750C 750Cs Interposer Card 750Ce DC DC Card 750 750C 750Cs 750P DC DC Card 750Ce DC DC Card 750Ce 25 75 MHz PCMCIA Slot Assembly System Board Assembly 750 750C 750P 4 Includes PCMCIA slot assembly index 10 and lower index 14 shield System Board Assembly 750Cs 4 For Germany Includes PCMCIA slot assembly index 10 and lower index 14 shield System Board 750Ce 4 Does not include PCMCIA slot assembly index 10 lower shield index 14 or processor card index 11a Processor Card 750Ce Processor Card 750Ce 25 75 MHz Includes hex head screws nut and screw cover HDD Removal Strap 4 See Digitizer Adjustment on page 205 304 IBM M
26. Warning The system board can be damaged if the lower shield touches the system board components Carefully follow the next instruction In step EJ gradually raise the system board from the lower shield until all the components of the system board just clear the tabs of the lower shield Be careful not to raise it too far While keeping the clearance to a minimum separate the system board from the lower shield by moving the system board straight forward as shown by step H ThinkPad 355x 360x 370C 750x 755C 755Cs 259 Notes 1 When handling the PCMCIA slot assembly be careful not to disassemble any part of it The slot assembly is not solidly fixed when it is removed from the system board or the FRU 2 The screw stand off located each corner of the PCMCIA slot is easy to remove Make sure that the screw stand off is positioned when replacing the slot Do not replace the slot without the screw stand Use the following table for reference when replacing parts Step Location Quantity Length PCMCIA slot upper 2 12 mm A PCMCIA slot lower 2 14 mm Note Make sure you use the correct screw 260 IBM Mobile Systems HMM Removals Models 370C 750x 755C 755Cs 2010 Rear Connector Door Remove the center latch then remove the rear connector door by flexing it H 2015 Foot To replace the foot e Align the foot in the open position with one pivot in its hinge in the ba
27. on installed when the power page 399 was on 191XX 1 System Board 2 Processor card 196 1 Runthe hard disk Read error occurred in the drive test hibernation area of the 2 Hard Disk Drive HDD 199XX 1 System Board 1XX 1 System Board 2XX 1 Go to Memory Checkout on page 393 2 IC DRAM Card DIMM or DIMM Adapter 3 System Board ThinkPad 755CE 755CSE 755CV 755CX 9545 409 Symptom Error FRU Action 301 303 304 305 3XX 1 Goto Keyboard Auxiliary Input Device Checkout on page 396 2 Keyboard Video Card External Numeric Keypad External Keyboard Keyboard Mouse Cable System Board Pie OT 601 6XX 1 Go to Diskette Drive Test on page 397 2 Diskette Drive Assembly 3 Diskette 4 System Board 602 Diskette read error 1 Go to Diskette Drive Test on page 397 2 Diskette 3 Diskette Drive Assembly 604 Non acceptable ID was read from the diskette drive 1 Go to Diskette Drive Test on page 397 2 Diskette Drive Assembly System Board w 11XX Serial Device First Communication Cable System Board ono 12XX Serial Device Second Communication Cable System Board n 17XX Hard Disk Drive System Board N 24XX 1 System Board 4101 1 Reseat the LCD connector Pen see 1190 LCD Assembly on page 453 2 LCD Assembly System Board o
28. on page 54 before replacing 4 Numeric Keypad or any FRUs Keyboard Mouse Cable if attached or External Keyboard if attached 00030600 See 1080 Keyboard Unit on page 54 before replacing any FRUs Keyboard 2 Numeric Keypad or Keyboard Mouse Cable or External Keyboard if attached Keyboard Control Card System Board A 00030700 External Keyboard Keyboard Mouse Cable Mi 0004XXXX System Board Any Parallel Device Communication Cable Os 000601XX Diskette Drive System Board Diskette Drive Cable ona 000602XX Defective Diskette 000628XX Incorrect Diskette Media Type Diskette Drive System Board Diskette Drive Cable ON 000655XX 000662XX 000670XX 000675XX 0006XXXX Unsupported drive or cable System Board Diskette Drive Diskette Drive Cable Si Diskette Drive System Board Diskette Drive Cable N 0007XXXX Math Coprocessor Processor Card Mi 0011XX00 System Board Any Serial Device Communication Cable oN ThinkPad 700 700C 720 720C 9552 85 Symptom Error FRU Action 0014XXXX 00180100 00186100 1 See Printer Checkout on page 474 before replacing any FRUs 2 Printer 3 System Board Replace the line QEMM386 SYS with QEMM386 SYS XBDA L in Config sys 0024XX00 1 Video Card 2 System Board 3 Voltage Converter 700C 720C only 00
29. 2 2100 DC DC Card 2110 Backup Battery 2105 Standby Battery 2120 System Board Assembly 2130 PCMCIA Slot Assembly 2140 Processor Card 750Ce 755C 755Cs Locations lt Lera cale ea ATA ea System Front View 750 750Cx 755Cx 370C 360X J55X a eR e ai ees System Front View 750P 360P 360PE System Rear View All Models System Board Top View System Board Bottom View Processor Card 370C 750Ce 755C 755Cs DC DC Card Top View Interposer Card All Models Front View Parts Listing a s sos m Ha eke ek Models 350x 360x Mod l 370C ec seta pare Be Model 750X pi cee ee a Y Models 755C and 755Cs 2 Common Option Parts List 196 IBM Mobile Systems HMM Read This First Service for U S and Canada In the U S and Canada the ThinkPad 370C and ThinkPad 360PE are serviced only through EasyServe This hardware maintenance manual covers information about the following IBM ThinkPad models e 355 360 750 monochrome e 355C 360C 360CE 370C 750C 755C TFT color e 750Ce TFT color enhanced e 355Cs 360Cs 360CSE 750Cs 755Cs STN color e 360P 360PE 750P pen When information affects only a specific model the model number is shown in parenthesis in the heading or is explained in the text Before you go to the checkout guide
30. 2 Boot Device 3 System Board One long two short beeps 1 System Board and a blank or unreadable 2 LCD Assembly LCD One long beep followed by four short beeps each time the power switch is operated System cannot power on due to low battery voltage 1 Connect the AC Adapter or install a fully charged battery One long and one short beep 1 System Board One beep every second System is shutting down due to low battery voltage 1 Connect the AC Adapter or install a fully charged battery allows the system to completely shutdown before the battery is charged Two short beeps with error codes 1 POST error See Numeric Error Codes on page 35 Two short beeps with blank screen 1 System Board No Beep Symptoms Symptom Error FRU Action No beep power on indicator not on and a blank LCD during POST 1 Go to Power Systems Checkout on page 29 2 System Board 3 Power Sources No beep power on indicator on and a blank LCD during POST 1 System Board No beep power on indicator on and a blinking cursor only during POST 1 System Board 38 IBM Mobile Systems HMM Symptom Error FRU Action No beep during POST but system runs correctly 1 Turn the volume up and listen to the speaker 2 Speaker LCD Related Symptoms Symptom Error FRU Action Flicker 1 Do not
31. 360x 370C 750x 755C 755Cs 295 Parts Listing Models 350x 360x IBM Mobile Systems HMM 296 System Unit 355x 360x Index 1 kw oa 6a 6b 11 12 13 14 15 16 17 17a 18 LCD Assembly LCD Assembly 355 360 355C 360C 360CE LCD Assembly 355Cs 360Cs 360CSE LCD Assembly 360P LCD Assembly 360PE Hinge Cover 355 360 Hinge Cover 355C 360C 360CE Hinge Cover 355Cs 360Cs 360CSE Hinge Cover 360P 360PE Hinge Bracket Right Left Status Indicator Assembly Status Indicator Assembly Status Indicator Assembly Status Indicator Assembly 360 Status Indicator Assembly 360C Status Indicator Assembly 360Cs y y y y 355 3550 355Cs Status Indicator Assembly 360CE Status Indicator Assembly 360CSE Status Indicator Assembly 360P Status Indicator Assembly 360PE Screw Cover Small Shield 355x 360 360C 360Cs 360P Small Shield 360CE 360CSE 360PE Speaker Shield Assembly Insulator Speaker Includes speaker holder Interposer Card 355x 360 360C 360Cs 360P Interposer Card 360PE Interposer Card 360CE 360CSE DC DC Card PCMCIA Slot Assembly 1 slots 355x PCMCIA Slot Assembly 2 slots 360x System Board 355x System Board 360 360C 360Cs 360P System Board 360CE 360CSE 360PE HDD Removal Strap Hard Disk Drive Includes strap index 12 125MB 170MB 250MB 340MB 540MB 810MB Lower Shield 355x Lower Shi
32. 56 IBM Mobile Systems HMM 1100 Diskette Drive 1110 Hard Disk Drive e Battery Pack 1020 e Top Cover 1060 e Keyboard Unit 1080 Steps 1 2 3 4 Diskette Drive Steps 5 6 Hard Disk Drive m When Replacing e Before removing the hard disk drive have the user make a backup copy of all information on the hard disk Never remove the hard disk drive while the system is operating or is in suspend mode Do not pull the hard disk cable The cable can be damaged if it is disconnected without releasing the latch Do not drop or apply any shock or extra force to the hard disk drive or diskette drive They are sensitive to physical shock Use the following table for reference when replacing parts Step Location Quantity Length Diskette Drive 2 8mm 6 Hard Disk Drive 2 6mm Note Make sure you use the correct screw ThinkPad 340x IBM 2610 57 1120 System Board Speaker Rear Connector Door 1010 Battery Pack 1020 Backup Battery 1030 IC DRAM Card 1040 Standby Battery 1050 Top Cover 1060 Indicator Card 1070 Keyboard Unit 1080 Diskette Drive 1100 Hard Disk Drive 1110 Step 1 2 3 4 System Board Step 4 5 Speaker Step Location Quantity Length I O connector 6 Hex head screws A Base cover 1 8mm 5 Base cover 2 12 mm Note Make sure you use the correct screws 58 IBM
33. 85G1501 85G1931 85G1932 85G1887 85G1885 85G1936 85G1926 85G1934 85G1886 85G1497 85G1062 85G1510 66G5122 84G4319 85G0961 85G1888 85G1925 85G1881 85G1883 85G1107 85G1108 85G1511 66G9228 85G1892 84G6551 84G6548 84G6549 85G1495 85G1039 84G6563 84G6561 85G1141 85G1928 85G1927 84G6556 85G8568 85G8505 85G1500 85G8551 85G1914 85G1895 84G6536 85G8495 Index Component Internal Microphone Cable 84G6559 Modem Connector Assembly U S 85G1504 Modem Connector Assembly EMEA 85G1505 Modem Connector Assembly blank 85G6564 Wall Plug 85G2367 Head Phone 85G1529 PCMCIA Cartridge 84G1303 PCMCIA RF Cartridge 84G1304 Interface Cable System Keyboard 84G2531 Interface Cable keyboard Keypad 84G2532 Cable Mini DIN to Mini DIN 84G6474 Keyboard Spacer 85G1937 Shield Case Rear 85G1915 Conversion Cable Game Port 85G1896 Conversion Cable Video 85G1897 Rear FASCIA Panel 85G1919 Diskette Drive 4 mode 66G5060 Diskette Drive 3 mode 84G2269 Diskette Drive Removal Strap 66G5123 Bezel Diskette Drive 85G1889 Foot right left 84G4326 AC Adapter 35W 3 pin 85G4952 For Japan 2 pin 85G6669 DC Plug 4 pin 2 pin 85G6664 Extension DC Cable 755CDV 85G7466 DC Plug 4 pin 2 pin 85G6664 EMI Spring Plate 85G1066 DC Adapter Cable 755CV 85G7466 Strap 755CDV 85G1104 Computer Stand 755CDV 85G1635 Remote Control 755CDV Notes The warranty for this component is provided by an outside company See the w
34. 9 0 V dc replace the DC DC card If the voltage is more than 9 0 V dc the charging circuit is working correctly replace the battery pack ThinkPad 755CD 755CDV 9545 325 Checking the Car Battery Adapter Note There are several types of adapters but the checkout procedure is the same for both of them 1 2 Unplug the Car Battery Adapter cable from the computer Plug the Car Battery Adapter into the cigarette lighter socket Note If the adapter is already plugged in reseat it Measure the output voltage of the Car Battery Adapter cable See the following figure Pin Voltage V dc 19 0 to 21 0 2 3 Ground e If the voltage is correct and the power on indicator on the Car Battery Adapter is on all the time the Car Battery is working correctly Replace the system board If the problem is not resolved when the system board is replaced go to Undetermined Problems on page 343 e Ifthe voltage is outside the normal voltage range do one of the following Try the above test procedures in a different car if one is available Replace the Car Battery Adapter if the computer works correctly with the AC Adapter Note If the output voltage from the cigarette lighter socket of the car is less than 10 5 V dc a continuous noise can be heard The condition of the car battery should be checked by appropriate service personal Checking the Backup Battery 1 w 326 Po
35. Be careful that the computer does not fall backward when the battery pack is removed 2 When replacing the battery pack check that the storage switch of the new battery is set to the on position Do not operate the storage switch of a battery that has been used and is going to be re used 3 Check that the keyboard latch springs are in place 352 IBM Mobile Systems HMM 2030 CD ROM Diskette Drive Note Remove the CD ROM Diskette drive exactly as shown in the figure Do not apply any extra force to the CD ROM Diskette drive when removing it Warning When replacing the CD ROM diskette drive check that the standby battery is seated correctly to prevent damage to the drive ThinkPad 755CD 755CDV 9545 353 2040 Hard Disk Drive e CD ROM Drive 2030 e Battery Pack 2020 Warning Do not drop or apply any shock to the hard disk drive The hard disk drive is sensitive to physical shock Incorrect handling can cause damage it and cause permanent loss of data on the hard disk Before removing the hard disk drive have the user make a backup copy of all the information on the hard disk Never remove the hard disk drive while the system is operating or is in suspend mode Note Remove the hard disk drive exactly as shown in the figure Do not apply any extra force to the hard disk drive when removing it Warning After replacing the hard disk drive l
36. Communication Cable System Board 12XX Qu Serial Device Second Communication Cable System Board 17XX 24XX mai Ni Hard Disk Drive System Board System Board Video Card 808X oN PCMCIA Slot Assembly PCMCIA Device System Board 860X Pointing device error when TrackPoint III is disabled ees External Mouse External Keyboard System Board ThinkPad 755CD 755CDV 9545 333 Symptom Error FRU Action 861X Pointing device error when TrackPoint III is enabled 1 Reseat the keyboard Track Point Ill cable at the interposer card See 2080 Keyboard Unit on page 359 Keyboard External Mouse Video Card System Board EN 19990301 19990302 19990305 1 Reseat the boot device 2 Check the startup sequence for the correct boot device 3 Check that operating system has no failure or is installed correctly 19990303 1 System Board above Other codes not listed 1 Go to Undetermined Problems on page 343 FRU Codes If an error is detected by the diagnostic tests a four digit FRU code is displayed The FRU code indicates two suspected FRUs Replace the FRU that is indicated by the two leftmost digits first then replace the FRU indicated by the two rightmost digits No FRU is assigned to code 00 If only one FRU is suspected the other FRU code is filled with zeros See the reference
37. If you are using TranXit check the IRDELAY parameter in the TRANXIT INI file in the TRANXIT directory The parameter should be set to 10 To run the diagnostics test on the infrared transceiver perform the following steps 1 2 8 Power off the computer and then power it on again Press the F1 key any time while the POST memory count is proceeding When the memory test is completed the Easy Setup screen appears Press the left or right arrow key to select Test and press Enter or position the pointer over the Test icon and click the left click button once Press Ctrl A to enter advanced diagnostics Select Infrared and press Enter to run the test on the infrared transceiver Test results will be displayed under the Infrared icon If no errors are detected the OK message appears If an error is detected the FRU code and error description message appear Go to FRU Codes on page 144 and replace the FRU To exit from the test screen press Esc PCMCIA Checkout For a more thorough test use one PCMCIA card in each slot Perform the following steps to test the PCMCIA slots 1 2 Power off the computer and then power it on again Press the F1 key any time while the POST memory count is proceeding When the memory test is completed the Easy Setup screen appears Press the left or right arrow key to select Test and press Enter or position the pointer over the Test icon and click the left click button onc
38. Only certificated and trained personnel should service the computer e The arrows in the Removals and Replacements section show the direction of movement to remove a FRU or to turn a screw to release the FRU The step number with the arrow shows the correct sequence of removal The circled numbers are sub steps of the main step e When other FRUs must be removed before removing the failing FRU they are listed at the top of the page e To replace a FRU reverse the removal procedure and follow any notes that pertain to replacement See Locations for internal cable connections and arrangement information e When replacing a FRU use the correct screw size as shown in the table of each section m Safety Notice 8 Translation on page 13 Before removing any FRU power off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any interconnecting cables m Safety Notice 3 Translation on page 9 The battery pack contains Cadmium Do not disassemble it throw it into fire or water or short circuit it Dispose of the battery pack as required by local ordinances or regulations m Safety Notice 1 Translation on page 7 Before the computer is powered on after FRU replacement make sure all screws springs or other small parts are in place and are not left loose inside the computer Verify this by shaking the computer and listening for rattling sounds Metallic pa
39. Swiss French 84G6500 Swiss German 84G6498 Turkish 84G6511 U K English 84G6496 U S English 84G6495 ThinkPad 755CE 755CSE 755CV 755CX 9545 463 Common Option Parts List Miscellaneous Parts Miscellaneous Parts Kit 84G6558 Includes Modem guide modem lever DC IN holder memory spacer mini jack holder back up battery holder suspend switch holder Screw Kit 84G6560 Includes 20 2 5 x 6 mm 10 2 5 x 4 mm 10 2 5 x 8 mm 10 2 5 nut mm 10 hex stud bus 10 washer bus 10 2 5 x 8 mm flat head 10 2 5 x 5 deform screw 10 spring lock washer 10 hex stud d sub 10 2 5 x 14 10 heatsink nut IC DRAM CARD Eject Tape 53G9318 DAA Assembly Austria 59G1041 Australia 59G1040 Belgium 43G3414 Denmark 59G1042 Finland 59G1043 France 4525652 Germany 59G1056 Korea 66X2096 Malaysia 59G1066 Netherlands 43G3409 Norway 59G1044 New Zealand 43G3411 PRC Hong Kong 54F0693 Singapore 66X2096 Sweden 54F0717 Switzerland 59G1057 Taiwan 59G1067 Thailand 59G1065 U K 59G1045 464 IBM Mobile Systems HMM PSTN Cable Austria 58G4386 Australia 58G4343 Belgium 58G4346 Denmark 58G4333 Finland 58G4334 France 58G4335 Germany 58G4347 W W 43G3398 Netherlands 58G4340 Norway 58G4334 New Zealand PRC Hongkong 58G4332 Sweden 58G4336 Switzerland 58G4348 U K 58G4345 Options Notes 1 When you replace the AC Adapter or the Quick Charger with a new one use the one for the country you are in even if the system is from different country
40. ThinkPad 701CS LCD Bezel ThinkPad 701C Keyboard Cam Keyboard Hinge Keyboard Shelf See Keyboard List Inverter Card Infrared Transceiver Top System Board Bottom System Board 25 50MHz Bottom System Board 25 75MHz SO DIMM See options list Modem PCMCIA Cover PCMCIA Filler Plug 360MB Hard Disk Drive 540MB Hard Disk Drive 720MB Hard Disk Drive Battery Pack NiCD For Worldwide Use Including Benelux Battery Pack NiMH Base Assembly Base Feet Kit SO DIMM Door Standby Battery Door Diskette Drive For Japan Diskette Drive Cable Parallel Port Door Power Switch Cover Standby Battery MultiPort Il Speaker LCD Cable Parallel Port Cable Screen for Speaker Speaker Gasket Docking Door 04H8327 04H8326 04H8328 04H8388 04H8333 04H8331 04H8325 04H8332 42H1505 04H8389 04H8336 04H8347 04H8343 04H8342 25H4883 04H8341 04H8346 04H8348 04H6829 04H6830 25H4873 04H6898 04H6902 04H6197 04H8335 04H8390 04H8337 04H8338 10H4056 10H4055 04H6916 04H8340 04H8349 04H8345 04H6915 04H8344 04H8329 10H4070 10H4086 04H8383 04H8339 ThinkPad 701C 701CS 2630 191 Keyboards Country Arabic Belgian Canadian French Danish Dutch French German Greek Hebrew Italian Japanese Latin American Norwegian Portuguese Spanish Swedish Finnish Swiss French Swiss German Turkish U K English U S English Common Option Parts List Miscellaneous Parts AC Adapter For Americas and Japan For Worldwide Use
41. correct position by sliding it end to end Step Location Quantity Length cover 1 4 mm Note Make sure you use the correct screw m Safety Notice 2 Translation on page 8 The standby battery contains a small amount of nickel and cadmium Do not disassemble it recharge it throw it into fire or water or short circuit it Dispose of the battery as required by local ordinances or regulations ThinkPad 755CD 755CDV 9545 363 2110 Backup Battery e CD ROM Drive 2030 e Battery Pack 2020 m Safety Notice 4 Translation on page 10 The backup battery is a lithium battery and can cause a fire explosion or severe burn Do not recharge it remove its polarized connector disassemble it heat it above 100 C 212 F incinerate it or expose its cell contents to water Dispose of the battery as required by local ordinances or regulations Use of an incorrect battery can result in ignition or explosion of the battery Replacement batteries can be ordered from IBM or IBM Authorized Dealers 364 IBM Mobile Systems HMM 2115 Logic Assembly CD ROM Drive 2030 Battery Pack 2020 Hard Disk Drive 2040 Keyboard Unit 2080 Status Indicator 2090 Standby Battery and Front IR 2100 Backup Battery 2110 The screw is located at the rear bottom side EAZA See next page Note When replacing the logic assembly align the power key slide hub with the power switch actuato
42. discharge ESD ESD damage can occur when there is a difference in charge between objects Protect against ESD damage by equalizing the charge so that the machine the part the work mat and the person handling the part are all at the same charge Notes 1 Use product specific ESD procedures when they exceed the requirements noted here 2 Make sure that the ESD protective devices you use have been certified ISO 9000 as fully effective When handling ESD sensitive parts e Keep the parts in protective packages until they are inserted into the product e Avoid contact with other people e Wear a grounded wrist strap against your skin to eliminate static on your body e Prevent the part from touching your clothing Most clothing is insulative and retains a charge even when you are wearing a wrist strap e Use the black side of a grounded work mat to provide a static free work surface The mat is especially useful when handling ESD sensitive devices e Select a grounding system such as those listed below to provide protection that meets the specific service requirement Note The use of a grounding system is desirable but not required to protect against ESD damage Attach the ESD ground clip to any frame ground ground braid or green wire ground Use an ESD common ground or reference point when working on a double insulated or battery operated system You can use coax or connector outside shells on these syst
43. machines during and after maintenance When lifting any heavy object 1 Ensure you can stand safely without slipping 2 Distribute the weight of the object equally between your feet 3 Use a slow lifting force Never move suddenly or twist when you attempt to lift 4 Lift by standing or by pushing up with your leg muscles this action removes the strain from the muscles in your back Do not attempt to lift any objects that weigh more than 16 kg 35 Ib or objects that you think are too heavy for you Do not perform any action that causes hazards to the customer or that makes the equipment unsafe Before you start the machine ensure that other service representatives and the customer s personnel are not in a hazardous position Place removed covers and other parts in a safe place away from all personnel while you are servicing the machine Keep your tool case away from walk areas so that other people will not trip over it Do not wear loose clothing that can be trapped in the moving parts of a machine Ensure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip approximately 8 centimeters 3 inches from the end Do not wear jewelry chains metal frame eyeglasses or metal fasteners for your clothing Remember Metal objects are good electrical conductors Wear safety glasses when yo
44. new one to the base 2 With the front of the base facing you rotate the speaker so that the speaker wires are at one o clock then attach the speaker to the gasket 3 Position the speaker cable under the bottom system board and between the inverter card and the top system board to the connector on the top system board Remove the screen over the speaker shown in the figure on page 165 If the screen over the speaker is damaged replace it ThinkPad 701C 701CS 2630 171 Disassembling the LCD Assembly Safety Notice 5 Translation on page 11 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands immediately wash the affected areas with water for at least 15 minutes Seek medical care if any symptoms from the fluid are present after washing Remove the two bottom screws BH H Remove the left hinge cover cam Remove the four bezel screws BD 172 IBM Mobile Systems HMM EI Carefully unsnap the T shaped snaps along the bottom edge of the bezel and lift it out Be sure to use the correct replacement bezel for the LCD The TFT bezel has adhesive on its top side wall When you install a new TFT bezel remove the backing first Remove the microphone Remove the backlight cable protective sleeve Replacement For detailed information about replacing the microphone and sleeve see Replacing the Microphone and Sleeve on
45. not defective Go to Port Replicator Checkout in Common Devices Checkout section to isolate the replicator problem If the drive is attached through an Expansion Unit go to the service manual of the Expansion Unit to isolate the problem IBM Mobile Systems HMM 8 If the drive is attached through a Diskette Drive Attachment Unit replace the unit Power Systems Checkout To verify the symptom of the problem power on the computer using each of the power sources available as follows ti 2 Remove the battery pack diskette drive and hard disk drive Connect the AC Adapter and check that power is supplied Install the diskette drive or hard disk drive one at a time and check that power is supplied from each power source Disconnect the AC Adapter remove the hard disk and diskette drive and install the charged battery pack then check that power is supplied by battery pack If you suspect a power problem see the appropriate power supply check listed below Checking the AC Adapter Checking Operational Charging on page 208 Checking the Battery Pack on page 208 Checking the Car Battery Adapter on page 210 Checking the Quick Charger on page 211 Checking the Backup Battery on page 211 Checking the Standby Battery on page 212 Port Replicator Power Overload on page 215 Checking the AC Adapter You are here because the computer fails only when the AC
46. on page 102 System Status Indicators Symbol State Status Indicated On Speaker is enabled 94 IBM Mobile Systems HMM Symbol State Status Indicated Green Battery pack is fully charged Yellow Battery pack is half charged Orange Battery pack is one fourth charged Blinking Orange Battery pack is almost discharged replace with fully charged spare Off e Battery pack is completely discharged e Battery pack is removed from computer e Computer is off e Computer is using external power car battery or AC power Battery is charging Battery is full PC Card is in use Diskette drive is active Hard disk drive is active Keyboard is in Num Lock mode Keyboard is in Caps Lock mode Keyboard is in Scroll Lock mode On Computer is in Suspend Mode Blinking Computer is resuming normal operation ThinkPad 700 700C 720 720C 9552 95 Symbol State Status Indicated On Computer is powered on blinking indicates temperature too high system enters suspend mode until temperature returns to normal Check Point CP Codes Codes beginning with CP are displayed on the LCD to indicate system status during POST The CP codes vary with the level of microcode installed and the type of processor card installed The CP codes are n
47. on page 156 for instructions Select the FDD 1 icon and insert a scratch diskette to continue with the drive test Select the FDD 1 icon from the advanced diagnostics screen and press Enter If the drive test detects an error FRU code 50 appears Replace the drive or the drive cable To exit from the test screen press Esc Hard Disk Drive Checkout 1 2 3 Power off the computer Insert the hard disk drive to be tested Power on the computer Press the F1 key any time while the POST memory count is proceeding When the memory test is completed the Easy Setup screen appears Press the left or right arrow key to select Test and press Enter or position the pointer over the Test icon and click the left click button once Press Ctrl A to enter advanced diagnostics and press Enter If the test detects an error FRU code 60 appears under the HDD 1 icon Replace the hard disk drive To exit from the test screen press Esc ThinkPad 701C 701CS 2630 133 MultiPort Il Checkout Use the following procedure to isolate a MultiPort Il problem The MultiPort Il attaches to the system expansion connector at the rear of the computer 1 2 3 10 11 12 13 134 Power off the computer Remove all of the devices from the MultiPort Il Unplug the AC adapter from the computer if attached and plug the AC adapter into the MultiPort Il if it is not already attached Attach wrap plugs to the serial port and the pa
48. or all of the batteries have become discharged Replace any discharged battery with its spare if available The test procedures for each power supply are found on the following pages Checking the AC Adapter on page 72 Checking the Car Battery Adapter 700 only on page 73 Checking the Battery Pack on page 74 Checking the Backup Battery on page 75 Checking the Standby Battery on page 75 Checking the Quick Charger on page 76 Checking the Voltage Converter 700 700C on page 77 Checking the Voltage Converter 720 720C on page 78 ThinkPad 700 700C 720 720C 9552 71 Checking the AC Adapter If the Power On indicator does not turn on check the power cord of the AC adapter for correct continuity and installation 1 If any noise can be heard from the AC adapter when it is plugged into the ac power outlet replace the AC adapter If no noise can be heard from the AC adapter go to step 3 2 If a noise is still heard from the new AC adapter suspect the computer Replace the AC adapter with the original one then go to the next step If no noise is heard from the new AC adapter the original AC adapter is defective 3 Unplug the AC adapter cable from the computer and measure the output voltage at the plug of the AC adapter cable See the following figure Pin Voltage V dc 1 19 0 to 21 0 2 Ground
49. 1 charged Yellow Battery usable Orange Battery low or if lt is green the operational charge cannot be performed Blinking orange Battery almost depleted AII blinking Battery storage switch is set off Orange green if lt is blinking or yellow twice every 3 seconds the battery is discharging lt Green Battery charging Orange PC card in use fo Orange Diskette drive in use 6 Orange Hard disk drive in use Green Keys in Num A Lock mode Green Keys in Caps 4D Lock mode QD Green Keys in Scroll Lock mode 420 IBM Mobile Systems HMM Symbol Color Meaning Q Green Computer in suspend mode Blinking green Computer resuming normal mode D Green Computer powered on How to Run the Diagnostics Use either the TrackPoint III or the cursor move keys to interact with the tests The Enter key works the same as selecting the OK icon to reply OK 1 Press and hold the F1 key then power on the computer Hold the F1 key down until the Easy setup screen appears 2 Select Test and press Enter 3 Select a device and press Enter to run the test To test the Infrared port select the SystemBoard icon 4 The test progress screen appears 5 OK appears when the test ends without any errors 6 Start the Advanced Diagnostic test by pressing Ctrl A on the basic diagnostic menu screen 7 Select Tool to install the tools
50. 3 Remove the backup battery from the shield assembly 4 Measure the voltage of the backup battery See the following figure Black Red Wire Voltage V dc Red 2 5 to 3 7 Black Ground e If the voltage is correct replace the system board e If the voltage is not correct the backup battery has been discharged Replace the backup battery e If the backup battery discharges quickly after replacement replace the system board Checking the Standby Battery 1 Power off the computer and unplug the AC Adapter from the computer 2 Open the keyboard and remove the battery pack and the diskette drive ThinkPad 755CE 755CSE 755CV 755CX 9545 403 Remove the standby battery Refer to 1100 Standby Battery and Front IR on page 438 to remove the battery Measure the voltage of the standby battery e Ifthe voltage between red and black is 3 5 V dc or greater the voltage is correct Go to Step 10 to verify standby battery operation e If the voltage is less than 3 5 V dc go to the next step Plug the AC Adapter into the computer and power on the computer Measure the output voltage at the connector on the system board Black Red Pin Voltage V dc 4 0 Ground e Ifthe voltage is less than 4 0 V dc replace the DC DC card If the voltage is still low replace the system board e If the voltage is more than 4 0 V dc power off the computer replace the stand
51. 8 Select a device press the space key and install the tool Multiple devices can be selected by repeating this step A V mark appears for the selected device 9 Select OK and press Enter if the selection is OK 10 Select a device and press Enter to start the tests 11 Select Test All to test all devices 12 Select Loop Test to loop tests A loop option menu appears in which a device loop or all loop can be selected Select a device and press the space key to select a device Repeat this step to select multiple devices Press Enter to start the diagnostic loop If no device is selected all device tests are looped 13 To exit the loop keep pressing Ctrl Pause until the test exits A beep sounds to notify that the exit interrupt is sensed by the test program Error Log Diagnostic errors are printed on the printer that is attached to the parallel port when the error is detected The error is also logged in the system memory Do the following to display the errors 1 End the test if it is running 2 Press Ctrl A to select the advanced diagnostic mode 3 Press Ctrl E ThinkPad 755CE 755CSE 755CV 755CX 9545 421 4 The error log appears 5 To exit the screen select the cancel icon or press Esc The error log is not saved when system power is powered off Reset Pushbutton The reset pushbutton resets the system and forces the power to be powered off Use this pushbutton when the power is not completely off
52. 8mm left and right hinge bracket supports left and right hinge cover end caps Panel Cover Group 700 44G3789 For Germany Gray 48G9320 Panel Cover Group 700C 48G8715 For Germany Gray 48G9908 For Japan 49G1982 Speaker 07G1229 Holder Speaker 44G3786 AC Adapter 25W 3 pin 700 44G3808 AC Adapter 40W 3 pin 700C 49G2196 For Japan 40W 2 pin 49G2197 Data Fax Modem Adapter U S Can 94X2554 Data Fax Modem Adapter Japan only 94X2506 High Speed Data Fax Modem U S Can 2 42G2592 Serial Adapter 79F6840 Internal Modem Attachment Screw 53G7847 Screw Kit see 720 parts for detail 53G7819 Foot Right Left w springs 49G2053 For Germany Gray 49G2155 Miscellaneous Parts Group 700 44G3790 Miscellaneous Parts Group 700C 48G8944 Parts Group includes keyboard support bracket DC in holder battery terminal clip stud LCD cable clamp mouse bracket shield heat sink assembly base cover hook bracket ThinkPad 700 700C 720 720C 9552 117 Parts Listing 720 720C 2 See FRU Service Procedures on page 124 118 IBM Mobile Systems HMM Index 1 Na NO 10 11 12 13 14 15 LCD 720 3 For Germany Gray 3 LCD 720C 3 For Germany Gray 3 LCD Bezel Assembly 720 3 For Germany Gray 3 LCD Hinge Kit LCD Case Frame Keyboard 720 For Germany Gray Frame Keyboard 720C For Germany Gray For Japan Battery Pack Nickel Metal Hydride For Belgian and Du
53. Adapter is used If the power problem occurs only when the port replicator is used replace the replicator If the power on indicator does not turn on check the power cord of the AC Adapter for correct continuity and installation If the operational charge does not work go to Checking Operational Charging on page 208 Note There are two types of adapters The procedure for checking both types is the same t Unplug the AC Adapter cable from the computer and measure the output voltage at the plug of the AC Adapter cable See the following figure x ThinkPad 355x 360x 370C 750x 755C 755Cs 207 Pin Voltage V dc 1 19 0 to 21 0 2 Ground e If the voltage is correct replace the system board If the problem is not corrected go to Undetermined Problems on page 227 e If the voltage is not correct go to the next step 2 Unplug the AC Adapter cable from the ac power outlet and wait five minutes or longer to allow the over voltage protection circuit to be fully discharged and initialized Plug the AC Adapter cable into the ac power outlet Measure the output voltage of the AC Adapter 5 If the voltage is still not correct replace the AC Adapter po Note An audible noise from the AC Adapter does not always indicate a defective adapter Checking Operational Charging To check operational charging use a discharged battery pack or a battery pack that shows a yellow or
54. Card So LCD Related Symptoms The TFT LCD for the notebook computer contains over 921 000 thin film transistors TFTs A small number of missing discolored or lighted dots on all the time is characteristic of TFT LCD technology but excessive pixel problems can cause viewing concerns Before Replacing the LCD The LCD should not be replaced unless the number of dots satisfies the following condition e The number of missing or discolored or lighted dots in any colored background is 21 or more Note For Model 755CDV see also Model 755CDV Symptoms on page 337 for LCD related symptoms Symptom Error FRU Action No beep power on indicator on and a blank LCD during POST System Board DC DC Card Video Card Processor Card Pw i 336 IBM Mobile Systems HMM Symptom Error FRU Action LCD backlight not working or 1 Reseat the LCD connectors e LCD too dark or 2 LCD Assembly e LCD brightness cannot et be adjusted or e LCD contrast cannot be adjusted e LCD screen 1 See the preceding unreadable or note on replacing e Characters missing LCDs pels or 2 Reseatall LCD e Screen abnormal or connectors e Wrong color displayed 3 LCD Assembly 4 System Board 5 Video Card 6 Interposer Card LCD has extra horizontal or vertical lines displayed LCD Assembly Model 755CDV Symptoms Symptom Error FRU Action The screen is 1 Verify t
55. HMM 1130 DC DC Card Battery Pack 1020 Diskette Drive 1030 Hard Disk Drive 1040 Keyboard Unit 1080 Status Indicator 1090 Standby Battery and Front IR 1100 Backup Battery 1110 Logic Assembly 1115 Shield Assembly 1120 ThinkPad 755CE 755CSE 755CV 755CX 9545 445 1140 DSP Card e Battery Pack 1020 e Diskette Drive 1030 e Hard Disk Drive 1040 e Keyboard Unit 1080 e Status Indicator 1090 e Standby Battery and Front IR 1100 e Backup Battery 1110 e Logic Assembly 1115 e Shield Assembly 1120 e DC DC Card 1130 Remove the following e Mini Jack Holder e Modem Guide e Modem Lever e Microphone Cable Use the following table for reference when replacing parts Step Location Quantity Length DSP card 1 6 mm A DSP card 1 14 mm Note Make sure you use the correct screw 446 IBM Mobile Systems HMM 1150 Interposer Card and Rear IR Battery Pack 1020 Diskette Drive 1030 Hard Disk Drive 1040 Keyboard Unit 1080 Status Indicator 1090 Standby Battery and Front IR 1100 Backup Battery 1110 Logic Assembly 1115 Shield Assembly 1120 DC DC Card 1130 DSP Card 1140 iE Where EN is the Rear IR E is the Interposer Card Use the following table for reference when replacing parts Step Location Quantity Length Interposer card 1 4 mm Note Make sure you use the correct screw
56. Hemisphere Tilt Swivel Stand 8515 14 Inch Color Display 90 137 V ac 220 240 V ac No Hemisphere 220 240 V ac Equatorial 220 240 V ac So Hemisphere Tilt Swivel Stand 8516 Color Touch Display 110 120 V ac 220 240 V ac No Hemisphere 220 240 V ac So Hemisphere 39F8087 39F8091 39F8089 6247808 6247843 6247842 6247883 6247840 39F8068 61R8924 61X8928 61X8927 61X8925 68X3088 72X7870 72X7877 68X3061 75X5945 75X5946 75X5947 75X5907 07G4759 34G6628 07G4762 07G4763 38F3909 44F9759 70F9129 70F9111 Common Parts Listing 487 488 IBM Mobile Systems HMM Miscellaneous Information Acronyms Abbreviations and Terms Term Information ACPA A Audio Capture and Playback Adapter ADP Automatic Data Processing Alt Alternate ANSI American National Standards Institute ARTIC A Real Time Interface Coprocessor ASCII American National Standard Code for Interface Interchange AT Advanced Technology as in AT Bus AVC Audio Video Connection BIOS Basic Input Output System Controls System Resources bps Bits Per Second BPS Bytes Per Second CCITT The International Telephone and Telegraph Consultative Committee ccs Common Command Set CCSB Common Complete Status Block CCSB Configuration Control Sub Board CD Compact Disc CDPD Cellular Digital Packet Data CD ROM CD Read Only Memory stores data audio CE Customer Engineer or Service Representative CRC Cyclic Redundancy Check CR
57. IBM 2610 43 Status Indicators The system status indicators show the current computer status in different colors green yellow and orange Symbol Color Meaning DE Green Battery is fully charged Yellow 340 Battery usable Battery is charging when the AC Adapter is used Note When the battery is fully charged the indicator turns and stays green Orange Battery is low Blinking orange Battery is almost depleted Blinking yellow 340 Battery cannot be charged because of it s high temperature Note When the temperature drops to the acceptable range charging will start Off 340CSE The battery in not installed 0 Orange Orange Diskette drive is in use Hard disk drive in use Green Keyboard is in Num Lock mode Green Keyboard is in Caps Lock mode SD Green Keyboard is in Scroll Lock mode 44 IBM Mobile Systems HMM Symbol Color Meaning Green Computer is powered on How to Run the Diagnostics Use either the TrackPoint Il or Ill or the cursor move keys to interact with the tests The Enter key works the same as selecting the OK icon to reply OK 1 Press and hold the F1 key then power on the computer Hold the F1 key down until the Easy setup screen appears Select Test and press Enter Select a device and press Enter to run the test The test progr
58. If the voltage is still low replace the system board e Ifthe voltage is more than 4 0 V dc power off the computer replace the standby battery and go to the next step Ensure that the AC Adapter is plugged into the computer then power on the computer Charging of the standby battery starts A depleted battery needs approximately 30 minutes to be recharged to the operational voltage of 3 5 V dc Unplug the AC Adapter Verify the standby battery function by removing and installing the battery pack during suspend mode Note Removing and installing the battery pack during suspend mode should be done within one minute The resume operation must start If the resume operation does not work switching of power from the battery pack to standby battery will not be correct Replace the DC DC card If replacing the DC DC card does not resolve the problem replace the system board Power Management Features Three power management modes are provided by the computer to save power consumption and prolong battery power 328 IBM Mobile Systems HMM Standby Mode When in standby mode the following occurs e The LCD backlight turns off e The hard disk motor stops e The CPU clock is set to the lowest speed Events that cause entering of standby mode e Standby requested by the Fn key Fn F3 e No activity under auto standby enabled by the feature utility Events that cause exiting or resuming of standby mode e Resume
59. Keyboard Unit 2040 Warning Do not pull the status indicator cable The cable will be damaged if the status indicator is disconnected without releasing the latch in step H The status indicator has three latches on its rear and two in its front in step EJ do as follows 1 Release the rear latches with pushing each one with your thumb as shown in the artwork The broken circles in the figure show the locations of the three latches 2 Release the front latches 3 Lift the indicator 272 IBM Mobile Systems HMM Rear View Note When replacing the indicator insert the flexible cable straight into the connector until the head of the cable stops Slide both ends of the latches at the same time to make sure that the cable is correctly inserted Use the following table for reference when replacing parts Step Location Quantity Length Indicator bracket 2 4mm Note Make sure you use the correct screw ThinkPad 355x 360x 370C 750x 755C 755Cs 273 2070 LCD Assembly Battery Pack 2020 Keyboard Unit 2040 Status Indicator 2060 two flexible cables This figure shows the LCD that does not have a contrast control P N 84G4337 274 IBM Mobile Systems HMM m Important e Two types of LCDs are available for the Model 755C one with a contrast control and one without Make sure that you replace the LCD with the correct type e Th
60. LCD Assembly TFT LCD Assembly front 755CDV LCD Assembly rear cover 755CDV Hinge Bracket Right Left Screw Rubber Lid Hinge Lid Right Left Top Cover 755CD Top Cover 755CDV 6 Stand off Indicator 7 Status Indicator 8 Backup Battery 9 Speaker Assembly Left 10 Speaker Assembly Right 11 Shield Case Upper 12 Video Card Assembly 13 IR Assembly Rear Junction FPC IR Rear 14 S Video Card 15 Interposer Card 16 Lower Shield 17 PCMCIA Slot Assembly 18 Battery Pack Ni MH 19 HDD Removal Strap 20 540MB Hard Disk Drive 810MB Hard Disk Drive 21 Rear Connector Cover 22 IR Lens Rear 23 Base Cover Assembly 755CD For Japan Base Cover Assembly 755CDV For Japan 24 PCMCIA Device See options 25 PCMCIA Cover Includes bezels and security plate 26 Name Label 27 Cover Option Bay 28 AV Door 29 IR Lens front 30 IR Assembly front 31 Processor Card 33 100 MHz 32 Standby Battery 33 Base Plate 34 Memory Card 35 System Board 755CD 755CDV 36 Power Switch Button 37 AV Panel 38 Battery Terminal 755CD Battery Terminal 755CDV 39 IC DRAM Card See options 40 DSP Card Assembly 41 DC DC Card 755CD with Intel 486 DC DC Card 755CD with Pentium 755CDV 42 CD ROM Drive 43 Keyboard Security Plate 44 TrackPoint III Cap 45 Keyboard Assembly See Keyboards Attachment Holder Connection Cable Microphone 384 IBM Mobile Systems HMM 85G1489 85G1633 85G1630 85G1894 85G1509 85G1930 85G1884 85G7476 85G1929 85G1924
61. Menu of the Reference Diskette and select Backup Restore system programs then select Restore the system partition and follow the instructions on the screen This transfers all files programs and the IML image of the new diskette onto the system partition 4 When the Main Menu appears again remove the diskette from the diskette drive and power off the computer then power it on 5 After the cursor moves to the upper right corner of the screen press Ctrl Alt Insert 6 If you have a backup copy of the current system partition continue with step 7 on page 101 If you do 100 IBM Mobile Systems HMM 10 11 not have a backup copy of the current system partition but you have the option diskettes go to step 8 on page 101 Select Copy an option diskette from the Main Menu When the INSERT YOUR OPTION DISKETTE message appears insert the backup copy of the system partition and follow the instructions on the screen The backup copy of the system partition is used to reinstall the option files onto the system partition Then go to step 9 Select Copy an option diskette and follow the instructions on the screen Repeat the procedure with each option diskette until all option diskettes have been reinstalled If there is a customized configuration installed settings have been changed via the Change configuration screen continue with step 10 If there is not a customized configuration installed go to step 11 Selec
62. Mobile Systems HMM Locations x O 2 oO gt 5 _ gt 3 g dD c S a _ p 5658 28 Lo gt COs Fal O gt Q KS LEO Of 3 28iro c 0 29OS54d fo no Tae g ad O CEng aMEH D in BESS lt DIOX LaASsSpoRZILIAA Low F0DNXIA0DAOLFr ENDEODONTOGE n a OQ N VI OX O V y ATS gt W A iS LA X 59 ThinkPad 340x IBM 2610 System Rear View External Display Connector Serial Connector PCMCIA Slot Serial Connector Reset Pushbutton Power Jack External Input Device connector A O 6 g System Interior View Backup Battery IC DRAM Card Slot Standby Battery Battery Pack SON 60 IBM Mobile Systems HMM System Board EEEEEEEEEREERSeSseosoeD m ae ui Internal Modem Card connector Modem model only External Display Connector Parallel Connector LCD connectors PCMCIA Slot Indicator Card Connector Reset Pushbutton LCD Inverter Power Connector 340CSE Serial Connector Power Jack External Input Device Connector Keyboard Signal Connector Hard Disk Drive Connector Speaker Connector 340CSE only Keyboard TrackPoint II III Connector Battery Pack Terminal POP Terminal Standby Battery Connector IC DRAM Card Connector Diskette Drive Interface Backup Battery Connector Indicator Card A Resume Suspend Switch Power Switch System board Interface Think
63. POST 1 Check display type Press Fn F1 to enter the Configuration Utility and then reset Display type to LCD ThinkPad 701C 701CS 2630 147 Keyboard and TrackPoint III Symptoms Symptom Error FRU Action Keyboard one or more keys does not work 1 Reseat the two larger keyboard cables 2 Keyboard 3 Top System Board TrackPoint III does not work or the pointer moves automatically drifts or does not work correctly 1 Go to TrackPoint III Checkout on page 132 MultiPort Il Related Symptoms Before testing or replacing the MultiPort Il ensure that the customer installed the MultiPort Il while the computer was powered off or in Suspend mode Make sure the problems occur when the MultiPort Il has been installed correctly Symptom Error FRU Action Devices connected to the MultiPort Il do not work correctly 1 Check the device connectors to make sure that they are connected correctly 2 Check the cables to make sure they are not defective or damaged 3 Go to MultiPort Il Checkout on removed unlatched page 134 Problems occur when the 1 Verify that the MultiPort Il is connected or MultiPort Il is correctly seated and that the latches are engaged properly 2 Go to MultiPort Il Checkout on page 134 Power problems occur when the MultiPort Il is connected to the computer 1 Remove and then r
64. Range 10 0 to 16 0 2 VCC VO Ground 136 IBM Mobile Systems HMM Note The signal lines not used in these steps terminals 2 and 3 are used for communication between the system and the battery 3 If the voltage is less than 10 0 V dc the battery has been discharged or is defective Recharge the battery If the voltage is still less than 10 0 V dc after the recharging replace the battery Checking the Standby Battery Before performing the following steps make sure that the standby battery is fully charged by leaving the computer plugged into ac power while on or in suspend mode for 24 hours The computer can be used normally while the standby battery is charging If any problem is not corrected after charging the standby battery perform the following steps 1 Power off the computer and unplug the AC adapter from the computer 2 Remove the battery 3 Remove the top system board 4 Replace the standby battery from the bottom of the top system board 5 Reinstall the top system board 6 Plug the computer into ac power power on the computer and let the standby battery charge for 24 hours 7 To verify standby battery operation remove and reinstall the battery while the computer is in the suspend mode Note For this test to be valid the battery should reinstalled within 1 minute The resume operation should start 8 If the resume operation does not work replace the top system board In
65. Screw Kit Includes the following TORX screws Nuts 2 M2 5 x 6mm 9 M2 5 x 8 4mm 4 M2 5 x 10 mm 1 M1x3mm 4 M2 5 x 7 5mm 4 M2 5 x 8mm 3 M2 5x 5mm 2 M2 x 8mm 2 M2 5 x 16 mm 1 TrackPoint Ill Cover 04H8319 04H8317 04H6918 04H8316 04H8318 04H8310 04H8311 04H8322 04H8320 04H8309 04H8323 04H6919 04H8314 04H8312 04H8308 04H8313 04H8315 04H8373 04H8321 04H8307 04H6917 04H6903 04H6904 04H8330 04H8387 Notes When you replace the AC adapter with a new one use the one for the country you are in even if the system is from a different country 2 The warranty for the system unit does not apply to all options 192 IBM Mobile Systems HMM Options Memory 70ns 3 3v nonparity self refresh DIMM Memory SO DIMM 4MB 92G7260 Memory SO DIMM 8MB 92G7262 Memory SO DIMM 16MB 92G7264 AC Adapter U S 04H6903 360MB Hard Disk Drive 04H6829 540MB Hard Disk Drive 04H6830 720MB Hard Disk Drive 25H4873 Dock Il Adapter Card 04H8353 Dock Il Adapter Kit Diskette Drive Cable 25H4879 Tools Standard Tri Connector Wrap Plug 72X8546 PCMCIA PC Test Card 35G4680 Standard Audio Wrap Cable 66G5180 Standard Screwdriver Kit 95F3598 TORX T1 Screwdriver 10H4156 TORX T6 Screwdriver 10H4157 Power Cords U S Canada 04H6905 Asia Pacific 04H6906 Latin America 04H6907 Europe 04H6908 Japan 04H6909 Warning Use the power cord certified for your country ThinkPad 701C 701CS 2630 193 194 IBM Mobil
66. Setup screen 2 Select an item with the pointing stick 3 Press either the left or right click button 4 Verify that both buttons work correctly If either the pointing stick or the click button will not work do the following actions one at a time to correct the problem Do not replace a non defective FRU e Reseat the three keyboard cables e Replace the keyboard e Replace the interposer card e Replace the system board Game Port Checkout Do the following if a joystick problem occurs 1 Connect the Joystick to the Game Port Go to the Easy Setup screen Select an item with the Joystick Press any button of the Joystick Verify all buttons work correctly ON BAG If either the Joystick or button does not work replace the system board Diskette Drive Test Do the following to isolate the problem to a controller drive or diskette A scratch write enabled non defective 2HD diskette is required Warning Make sure that the diskette does not have more than one label attached to it Multiple labels can cause damage to the drive or can cause the drive to fail Do the following to select the test device 1 Select the advanced diagnostic mode and select Tool then select the icon FDD 1 or FDD 2 and press the space key A v mark appears next to the selected icon Insert the blank diskette when instructed Run the diskette drive test If the controller test detects an error FRU code 10 appears Replace the
67. System Board 00862100 00862200 See 1080 Keyboard Unit on page 54 before replacing any FRUs 1 Keyboard Control Card 2 System Board 3 Keyboard TrackPoint 00862500 00862600 See 1080 Keyboard Unit on page 54 before replacing any FRUs 1 Keyboard Pointing Stick 2 Keyboard TrackPoint 3 Keyboard Control Card 0086XX00 See 1080 Keyboard Unit on page 54 before replacing any FRUs 1 Keyboard Control Card 2 Keyboard 3 System Board 010103XX 010110XX 010116XX 010153XX 010171XX 1 See Fax Modem Checkout on page 472 010436XX 0104XXXX System Board Hard Disk Drive Hard Disk Drive System Board mai mi 0129XXXX 1 Run System Board diagnostics to clear the error log and retest 2 Select N to the question during the System Board diagnostics 3 Power on the system If the error remains replace the Processor Card Repeat steps 1 and 2 5 If the problem remains replace the system board A 0130XXXX Indicator Assembly System Board Keyboard Control Card Hard Disk Drive Diskette Drive Diskette Drive Cable Speaker RD ThinkPad 700 700C 720 720C 9552 87 Symptom Error FRU Action 0137XXXX Serial Adapter System Board Video Card Any Serial Device Communication Cable Oropa 00 Nere 0194XXXX 1 Do not replace any FRUs The installed Memory Expansion Adapter is
68. a battery that has been used and is going to be re used 3 Check that the keyboard latch springs are in place 428 IBM Mobile Systems HMM 1030 Diskette Drive e Battery Pack 1020 Note Remove the diskette drive exactly as shown in the figure Do not apply any extra force to the top surface of the diskette drive Make sure the media is removed or the media and the drive may be damaged S Warning When replacing the diskette drive check that the backup battery and standby battery are seated correctly to prevent damage to the diskette drive After replacing the diskette drive latch the removal strap into the correct position ThinkPad 755CE 755CSE 755CV 755CX 9545 429 1040 Hard Disk Drive Battery Pack 1020 Notes 1 Do not drop or apply any shock to the hard disk drive The hard disk drive is sensitive to physical shock Incorrect handling can cause damage it and cause permanent loss of data on the hard disk Before removing the hard disk drive have the user make a backup copy of all the information on the hard disk Never remove the hard disk drive while the system is operating or is in suspend mode Remove the hard disk drive exactly as shown in the figure Do not apply any extra force to the hard disk drive when removing it Note After replacing the hard disk drive latch the 430 removal strap into the correct position IB
69. and press F1 to resume operation Reading the PC Test Card LED The green LED on a PC test card JEIDA PCMCIA wrap card turns on when the PCMCIA test is running If the LED does not turn on check that the card is installed correctly by reseating the card If it still does not turn on after the card is reseated and you are using one PC test card try using the other slot for the test If you are using two cards try swapping the cards in the slots If the LED still does not turn on and the test fails replace the FRU shown in the diagnostics error code 158 IBM Mobile Systems HMM Removing PCMCIA Cards After removing the PCMCIA cover and filler plug if it is installed you can insert or remove PCMCIA cards during most computer operations To insert a PCMCIA card perform the following steps 1 Insert the PCMCIA card into one of the available slots with the long row of pin sockets facing the computer and the label on the PCMCIA card facing up When the card is in place the blue eject button at the left of the slot pops out Do not force the card If the card does not fit into the slot turn it over Note A Type III PCMCIA card occupies both PCMCIA slots To insert the card aim its bottom ridges at the lower PCMCIA card slot 2 Replace the outer cover over the PCMCIA slots To remove a PCMCIA card perform the following steps 1 Use a small pointed object such as the point of a pen to press the blue eject button l
70. are not left loose inside the computer Verify this by shaking the computer and listening for rattling sounds Metallic parts or metal flakes can cause electrical shorts Avant de remettre l ordinateur sous tension apr s remplacement d une unit en client le v rifiez que tous les ressorts vis et autres pi ces sont bien en place et bien fix es Pour ce faire secouez l unit et assurez vous qu aucun bruit suspect ne se produit Des pi ces m talliques ou des copeaux de m tal pourraient causer un court circuit Bevor nach einem FRU Austausch der Computer wieder angeschlossen wird muB sichergestellt werden daB keine Schrauben Federn oder andere Kleinteile fehlen oder im Gehause vergessen wurden Der Computer mu gesch ttelt und auf Klapperger usche gepr ft werden Metallteile oder splitter k nnen Kurzschl sse erzeugen Prima di accendere l elaboratore dopo che stata effettuata la sostituzione di una FRU accertarsi che tutte le viti le molle e tutte le altri parti di piccole dimensioni siano nella corretta posizione e non siano sparse all interno dell elaboratore Verificare ci scuotendo l elaboratore e prestando attenzione ad eventuali rumori eventuali parti o pezzetti metallici possono provocare cortocircuiti pericolosi Antes de encender el sistema despues de sustituir una FRU compruebe que todos los tornillos muelles y dem s piezas peque as se encuentran en su sitio y no se encuentran sueltas dentro del si
71. contains a small amount of nickel and cadmium Do not disassemble it recharge it throw it into fire or water or short circuit it Dispose of the battery as required by local ordinances or regulations 438 IBM Mobile Systems HMM 1110 Backup Battery e Battery Pack 1020 m Safety Notice 4 Translation on page 10 The backup battery is a lithium battery and can cause a fire explosion or severe burn Do not recharge it remove its polarized connector disassemble it heat it above 100 C 212 F incinerate it or expose its cell contents to water Dispose of the battery as required by local ordinances or regulations Use of an incorrect battery can result in ignition or explosion of the battery Replacement batteries can be ordered from IBM or IBM Authorized Dealers ThinkPad 755CE 755CSE 755CV 755CX 9545 439 1115 Logic Assembly Battery Pack 1020 Diskette Drive 1030 Hard Disk Drive 1040 Keyboard Unit 1080 Status Indicator 1090 Standby Battery and Front IR 1100 The screw BY is located at the rear bottom side See next page 440 IBM Mobile Systems HMM m When Replacing Logic Assembly When replacing the logic assembly align the power key slide hub with the power switch actuator by moving the power key in the direction of the arrow See the large circle in the figure Before tightening any screws check that the power switch operates correctly
72. down until the Easy Setup screen appears 3 Select Test and press enter 4 Select Memory and press enter to run the memory test on base memory If an error appears replace the memory card 5 Power off the computer and reinstall the IC DRAM card or the DIMM card then power on the computer Verify the memory size then test the memory If an error appears replace the IC DRAM card or the DIMM card 394 IBM Mobile Systems HMM If memory problems occur intermittently use the loop option to repeat the test When the test detects an error an error log is printed on the printer connected to the parallel port See Error Log on page 421 for more information System Programs in Flash Memory System setup programs and diagnostic tests are stored in Flash memory Flash Memory Update A flash memory update is required for the following conditions e New versions of system programs e New feature or options are added m When Updating Flash Memory Do not power off the computer disconnect the Vac power or remove the battery during the Flash update The system board will have to be replaced if the update is interrupted Updating Flash memory also resets all of the customer s configuration settings to the default values To update the Flash memory perform the following steps 1 Get the appropriate diskette which contains the update 2 Insert the System Program Service Diskette into drive A and power on the comput
73. e 720MB 2 5 inch optional Audio e Built in speaker e Built in microphone e Microphone jack e Speaker headphone jack e Line in jack e Supports SoundBlaster and SoundBlaster Pro applications Internal Modem Card Data Fax Voice Modem with 14 4 Kbps transmission rate and telephony support U S and Canada only PCMCIA Cards Accepts any of the following e One or two Type I One or two Type Il e One Type and one Type Il e One Type Ill Infrared Transceiver Integrated infrared hardware IRDA compatible transceiver with 115 2 Kbps transmission rate 160 IBM Mobile Systems HMM FRU Removals and Replacements This section contains information about removals and replacements Follow the numerical sequence in Disassembling the ThinkPad 701C 701CS on page 163 and the three exploded views to remove or disconnect parts in the correct order Reverse the numerical sequence to replace FRUs Note exceptions and special instructions for replacement throughout the FRU removal procedure The letters in parentheses in the list indicate screw types Consult the following screw size chart to match the letters to the correct screw type and size before replacing each Screw BA Nut M2 5 Silver d f BC M2 5 6 mm Black 3 UD BD M2 5 8 4 mm Black
74. end and no errors are detected the All tests passed OK message appears If an error is detected the FRU code and error description message appear Go to FRU Codes on page 220 and replace the FRU To exit from the test screen press Esc Diskette Drive Test Do the following to isolate the problem to a controller drive or diskette A scratch write enabled non defective 2HD diskette is required Warning Make sure that the diskette does not have more than one label attached to it Multiple labels can cause damage to the drive or can cause the drive to fail 1 206 Do the following to select the test device a Select the advanced diagnostic mode and select Tool b Select the icon FDD 1 or FDD 2 and press the space key A V mark appears next to the selected icon Insert the blank diskette when instructed Run the diskette drive test If the controller test detects an error FRU code 10 appears Replace the system board If the controller test runs without errors the drive read write tests start automatically If the drive test detects an error FRU code 50 for FDD 1 or 51 for FDD 2 appears If the diskette itself is known to be good replace the drive If the drive is attached through a Port Replicator as FDD 1 or FDD 2 and the test detects errors move the drive to the computer s diskette drive connector directly and test it again as FDD 1 If no errors occur at the FDD 1 position the drive is
75. go to Undetermined Problems on page 419 e Ifthe voltage is outside the normal voltage range do one of the following Try the above test procedures in a different car if one is available Replace the Car Battery Adapter if the computer works correctly with the AC Adapter Notes 1 If the output voltage from the cigarette lighter socket of the car is less than 10 5 V dc the power on indicator on the Car Battery Adapter blinks and a continuous noise can be heard The condition of the car battery should be checked by appropriate service personal 2 The Car Battery Adapter does not support operational charging 402 IBM Mobile Systems HMM Checking the Travel Quick Charger 1 Ensure that the battery pack is operating correctly See Checking the Battery Pack on page 399 2 Connect the power cord to the Travel Quick Charger and the other end to an ac power outlet Ensure that the power on indicator is on e If the power on indicator does not turn on check the power cord for correct continuity and installation e Ifthe problem is not corrected replace the Travel Quick Charger or the power cord 3 Install the battery pack into the Travel Quick Charger e If the charging indicator does not start blinking replace the Travel Quick Charger Checking the Backup Battery 1 Power off the computer and unplug the AC Adapter from the computer 2 Open the keyboard and remove the battery pack
76. hard disk is powered off e The CPU is stopped In the ThinkPad Features Program the computer can be set to Will not suspend even if LCD is closed When the computer is powered with ac power and is used with one of the following IBM PC cards the computer can enter the standby mode only The PC card and application program remain active e 3270 Emulation Credit Card Adapter e 5250 Emulation Credit Card Adapter e Token Ring 16 4 Credit Card Adapter e Credit Card Adapter for Ethernet Events that prevent the computer from entering the suspend mode e While the communication link is running e When a pointing device except a serial mouse are selected in the Config menu of the Easy Setup ThinkPad 755CE 755CSE 755CV 755CX 9545 405 Events that cause the computer to enter the suspend mode e Suspend mode is requested by pressing the Fn key Fn F4 e The LCD is closed e The keyboard is opened e The specified time has elapsed from the last operation with the keyboard mouse hard disk drive parallel connector diskette drive or the AC Adapter is plugged in The time is specified by Suspend Timer in the ThinkPad Features program e The battery condition is low The battery power indicator blinks orange e The PS2 OFF command is set in the ThinkPad Features program Events that cause the computer to exit the suspend mode resume or hibernate e Resume The LCD is opened e Resume The keyboard is clo
77. is the same 1 Unplug the AC adapter cable from the computer and measure the output voltage at the plug of the AC adapter cable See the following figure Pin Voltage V dc 1 15 5 to 17 0 2 Ground ThinkPad 701C 701CS 2630 135 2 If the voltage is not correct replace the AC adapter Note In rare cases the problem may be in the AC adapter even when the voltage is correct If an AC adapter is available try replacing the computer s AC adapter 3 If the voltage is correct replace the top system board If this does not correct the problem go to Undetermined Problems on page 152 Note An audible noise from the AC adapter does not always indicate a defective adapter Checking the Battery Pack Perform the following steps to check the battery Safety Notice 7 Translation on page 12 Though main batteries have low voltage a shorted or grounded battery can produce enough current to burn combustible materials or personnel 1 Remove the battery Note To remove the battery end external communications if you are not using an AC adapter Power off the computer and then close the lid Unlock the battery compartment door located on the bottom of the computer Slide the battery out of the compartment 2 Measure the voltage between battery terminals 1 and 4 See the following figure 273 Ja Terminal Voltage V dc Signal 1 11 0 nominal
78. is used the HDP is enabled automatically but no HDP prompt appears The HDP is set the same as PAP How to Run the Low Level Format Do the following to format the hard disk Warning Make sure the drive address to be formatted is correct This procedure will erase all information on the disk 1 Power off the computer 2 Insert the ThinkPad 750Ce hardware maintenance diskette into diskette drive A and power on the computer 230 IBM Mobile Systems HMM Note You can use this maintenance diskette for all Models 3 Select Format the hard disk from the main menu 4 Select the drive from the menu 5 Follow the instructions on the screen PC Test Card LED The green LED on the PC test card turns on when the PCMCIA test is running If the LED does not turn on check that the card is installed correctly by reseating the card If it still does not turn on after it is reseated try using another slot for the test If the LED still does not turn on and the test fails replace the FRU shown in the diagnostic error code Fn Key Combinations The following table shows the Fn key and function key combinations and their corresponding functions The Fn key works independently from the operating system The operating system obtains the status through the system management interface to control the system Fn Description FI Reserved F2 Fuel gauge display ON OFF F3 Standby mode invocation F4 Sus
79. ka BE M2 5 10 mm Black eon E BF M1 3 mm Black H BG M2 5 7 5 mm Black UD BH M2 5 8 mm Black BI M2 5 5 mm Black 3 h UD BJ M2 8 mm Silver OM H ThinkPad 701C 701CS 2630 161 BK M2 5 16 mm Black _D BL M2 5 6 mm Black OF 1 Use a TORX T1 screwdriver on the BF screw Torque to 0 5 in Ib 2 For the other listed screws use a TORX T6 screwdriver Torque to 2 5 in Ib m Safety Notice 8 Translation on page 13 Before removing any FRU power off the computer unplug all power cords from electrical outlets remove the battery pack then disconnect any interconnecting cables m Safety Notice 1 Translation on page 7 Before the computer is powered on after FRU replacement make sure all screws springs or other small parts are in place and are not left loose inside the computer Verify this by shaking the computer and listening for rattling sounds Metallic parts or metal flakes can cause electrical shorts Note Before removing any FRU remove any attached devices including the diskette drive diskette drive cable and MultiPort Il if they are attached m Safety Notice 2 Translation on page 8 Some standby batteries contain a small amount of nickel and cadmium Do not disassemble it recharge it throw it into fire or water or short circuit it Dispose of the battery as required by local ordinances o
80. not supported by IBM 199903XX 199900XX 199800XX 1 Reseat the hard disk drive to ensure good connection 2 See Set Startup Sequence on page 98 3 Hard Disk Drive 4 System Board I999XXXX Restore the system partition from the Reference Diskette Beep Symptoms Symptom Error FRU Action Continuous beep System Board Repeating short beeps 1 See 1080 Keyboard Unit on page 54 before replacing any FRUs Keyboard Keyboard Control Card System Board PON One long and one short beep 1 System Board program load from the hard disk or unable to read the diskette Be sure an external display is not too close to the diskette drive One long and two short 1 Video Card beeps 2 System Board One short beep and a 1 LCD blank unreadable illegible 2 Video Card or flashing display with no 3 System Board external display attached 4 Voltage Converter One short beep anda 1 Diskette Drive diskette prompt or a 2 System Board 3 Diskette Drive Cable Two short beeps and a blank display 1 System Board 88 IBM Mobile Systems HMM Symptom Error FRU Action Two long beeps and two 1 Video Card short beeps 2 Incorrect system board or two long beeps and no 700 700C short beeps Possibly with a blank screen and blinking speaker icon 3 Incorrect processor upgrade 700 700C 4 Incorrect 240MB hard disk drive upgrade
81. option for 360x 21a Bezel Audio Card option 84G2307 Bezel Blank 84G2295 Bezel Internal Modem 84G2296 Built in for 355x option for 360x 22 Standby Battery 66G3755 For Belgium Dutch 66G3761 For Switzerland 66G3758 23 Backup Battery 84G2263 24 Attachment holder 84G2294 25 IC DRAM Card See options 26 Battery Pack Nickel Metal Hydride 84G2144 27 Diskette Drive 3 mode 84G2269 Includes strap reference 28 28 Diskette Drive Removal Strap 66G5123 29 Base Plate 84G2293 30 Bracket Shield 84G5861 31 Internal Modem Card See options Audio Card option 66G5037 32 Fax Audio Spacer 360x 84G5862 33 Keyboard Lock 66G0031 34 TrackPoint Il Cap 66G6444 35 See Keyboard List 36 Leaf Spring Plate 66G0041 37 Upper Cover 355Cs 360Cs 360CSE 84G2257 Upper Cover Other models 84G2302 38 Stylus Pen 360P 360PE 66G6695 EMI Spring Plate 85G0948 PCMCIA Security Plate 85G8625 AC Adapter 100 240 V ac 40W 3 pin 49G2196 For Japan 2 pin 49G2197 AC Adapter 100 125 V ac 30W 3 pin 84G2277 This adapter is for U S only AC Adapter 35 W 3 pin 85G4952 For Japan 2 pin 85G6669 AC Adapter 30 W U S only 84G2277 DC Plug 85G6664 Foot right or left 84G4326 298 IBM Mobile Systems HMM Keyboard Arabic 84G5909 Belgium 84G5907 Canadian French 84G5915 Danish 84G5906 Dutch 84G5904 Finnish Swedish 84G5903 French 84G5900 German Black 84G5898 Greek 84G5913 Hebrew 84G5910 Italian 84G5902 Japanese 84G5916 Latin American 84
82. or the system is inoperative Note Do not replace a nondefective FRU Before performing these procedures perform the following actions e Verify that all attached devices are supported by the computer e Verify that the power supply being used at the time of the failure is operating correctly See Power Systems Checkout on page 135 Power off the computer 2 Check the cables wires and connectors for short circuits and open circuits Visually check them for damage If any problems are found replace the FRU 152 IBM Mobile Systems HMM 3 Remove or disconnect all of the following devices a a b 9290 ze Non IBM devices Devices attached to the expansion bus connector Printer mouse and other external devices Battery pack Hard disk drive Diskette drive or the device attached to the diskette drive connector SO DIMM card PCMCIA cards Note Remember that removing the hard disk drive a SO DIMM card or any adapter or device will cause configuration errors Error code 162 will occur Power on the computer Determine whether the problem has changed If the problem does not occur again reconnect the removed devices one at a time until you find the failing FRU If the problem remains replace the following FRUs one at a time Note Do not replace a nondefective FRU Inverter Card LCD Assembly Top System Board Bottom System Board ThinkPad 701C 701CS 2630 153 R
83. other external devices Battery pack Hard disk drive removable disk drive IC DRAM card Any adapter or device Note Replacing the hard disk drive an IC DRAM card or any adapter or device might cause configuration errors Power on the computer 4 If the problem is not corrected repeat steps 1 through 3 until you find the failing FRU or until all FRUs have been removed 5 If all of the FRUs listed have been removed and the problem is not corrected replace the following FRUs System board Processor card Video card ThinkPad 700 700C 720 720C 9552 93 Related Service Procedures This section provides information on the following System Status Indicators Check Point CP Codes on page 96 System Error Log on page 96 Checking the Installed Devices List on page 97 Power On Password 700 700C on page 97 Power On Password 720 720C on page 97 Privileged Access Password PAP on page 97 Set Startup Sequence on page 98 Restore System Partition on page 98 Hard Disk Low Level Format on page 99 Replacing the Hard Disk Drive on page 99 System Diskettes Reference and Diagnostic on page 100 Making a System Partition Backup Copy on page 101 Japanese Model Diskette Drive and Diskette on page 102 173 and 11350 Error Combination on page 102 PCMCIA Card Removal Tip
84. page 174 Remove the LCD When you replace the LCD be sure to replace it with the correct type of LCD STN or TFT Remove the LCD cable from the LCD Remove the latches from the bezel goo Remove the latch springs from the latches Replacement When replacing the latches place the latch in the bezel and then slide the spring over the post on the latch Compress the spring slightly and slip it into the recess in the bezel Remove the two right hinge screws BI Remove the right hinge The left hinge is part of the top cover assembly and should be replaced with it as a unit Note To clean the LCD use rubbing alcohol and a soft cloth To avoid damaging the LCD do not scratch or apply any force to its surface m Important The LCD for the ThinkPad 701C contains over 921 000 thin film transistors TFTs A small number of missing discolored or lighted dots on all the time is characteristic of TFT LCD technology but excessive pixel problems can cause viewing concerns The LCD should be replaced if the number of missing or discolored or lighted dots in any background is 21 or more ThinkPad 701C 701CS 2630 173 Replacing the Microphone and Sleeve The right hinge should already be installed To replace the microphone and cables perform the following steps 1 2 174 Insert the microphone wires into the small slit in the backlight cable protective sleeve Holding the microph
85. page 204 ThinkPad 355x 360x 370C 750x 755C 755Cs 223 Indicator Related Symptoms Symptom Error FRU Action Indicator incorrectly remains off or on but system runs correctly Battery power status indicator blinks from green yellow to orange 1 Reseat the status indicator cable Status Indicator Interposer Card System Board Po 1 Check that a correct battery is installed 2 Set the battery storage switch to ON Battery Pack DC DC Card 5 System Board Pio Power Related Symptoms Symptom Error FRU Action Power shut down during operation The system will not power off See Reset Pushbutton on page 199 1 Go to Power Systems Checkout on page 207 2 Battery Pack 3 Remove the battery pack and let it cool for two hours 4 DC DC Card 5 Power sources 1 Press the Reset pushbutton 2 System Board Function Audio Related Symptoms Symptom Error FRU Action The system will not suspend or resume by opening or closing the keyboard 1 Go to Suspend Mode on page 213 and check that the computer can enter suspend mode 2 Go to Easy Setup screen and press Fn 4 If the computer enters suspend mode suspect that the application program is defective 3 DC DC Card Interposer Card 5 System Board R 224 IBM Mobile Systems HMM Symptom Error FRU Action The system wi
86. power on the computer Hold the F1 key down until Easy setup screen appears 2 Select Test and press Enter 3 Select a device and press Enter to run the test To test the Infrared Port click the SystemBoard icon 4 The test progress screen appears OK appears when the test ends without any errors Start the Advanced Diagnostic test by pressing Ctrl A on the basic diagnostic menu screen 7 Select Tool to install the tools 8 Select a device press the space key and install the tool Multiple devices can be selected by repeating this step A V mark appears for the selected device 9 Select OK and press Enter if the selection is OK 10 Select a device and press Enter to start the tests 11 Select Test All to test all devices 12 Select Loop Test to loop tests A loop option menu appears in which a device loop or all loop can be selected Select a device and press the space key to select a device Repeat this step to select multiple devices Press Enter to start the diagnostic loop If no device is selected all device tests are looped 13 To exit the loop keep pressing Ctrl Pause until the test exits A beep sounds to notify that the exit interrupt is sensed by the test program ThinkPad 755CD 755CDV 9545 345 Error Log Diagnostic errors are printed on the printer that is attached to the parallel port when the error is detected The error is also logged in the system memory Do the following to display th
87. replace any FRUs In certain brightness contrast settings screen flicker can be seen because of technical limitations No beep power on indicator on and a blank LCD during POST System Board e LCD backlight not working e LCD too dark e LCD brightness cannot Reseat the LCD connector See 1090 LCD Assembly on page 55 displayed 2 LCD Assembly be adjusted e LCD contrast cannot be adjusted e LCD screen 1 Reseat the LCD unreadable or connector See e Characters missing 1090 LCD Assembly pels or on page 55 e Screen abnormal or 2 System Board e Wrong characters 3 LCD Assembly LCD has extra horizontal or vertical lines displayed LCD Assembly LCD FRU Replacement Notice If missing or discolored dots appear on the LCD carefully read the following note to determine whether you should replace the LCD e Do not replace the LCD for defective pixels if dots that are less than half the area of a pixel are defective a total of 11 dots are allowed e The LCD is not defective if the dots are functional but are slightly different in color from the immediate surrounding area or appear as a stain ThinkPad 340x IBM 2610 39 Keyboard TrackPoint Il or Ill Related Symptoms Symptom Error FRU Action Keyboard one or more keys does not work or works intermittently 1 Reseat the three keyboard cables 2 Reseat the keytop Ensur
88. symptoms in as much detail as possible 2 Verify the symptoms by attempting to recreate the failure by running the diagnostic test or by repeating the same operation Note To run the diagnostics refer to How to Run the Diagnostics on page 421 3 Use the following table with the verified symptom to determine which page to go to Search the symptoms column and find the description that best matches your symptom then go to the page shown in the Go to column Symptom Go to Power failure The power indicator does not go on or stay on Power Systems Checkout on page 398 POST does not complete No beeps or error codes are indicated Symptom to FRU Index on page 408 and then use the No Beep Symptoms table POST beeps but no error codes are displayed Symptom to FRU Index on page 408 and then use the Beep Symptoms table POST detected an error and displayed numeric error codes Symptom to FRU Index on page 408 and then use the Numeric Error Codes table The diagnostic test detected an error and displayed an FRU code FRU Codes on page 411 The configuration is not the same as the installed devices Checking the Installed Devices List on page 422 Other symptoms such as LCD display problems Symptom to FRU Index on page 408 and then use the other symptoms table Symptoms cannot be recreated inte
89. system board Use the following figure to locate the VA VG VB VA3 and VB3 signal names Signal V de Min V dc Max VA 4 75 5 25 VG 4 75 5 25 VB 4 75 5 25 VA3 3 42 3 78 VB3 3 42 3 78 PG 4 00 5 25 e If any voltage is not correct go to step 9 e If all voltages are correct the voltage converter is operating correctly If the power problem did no reoccur reconnect the devices removed in step 2 to isolate a device problem e If all the voltages are correct and the power problem still exists replace the following FRUs one by one System board Processor card 9 Power off the computer and unplug the AC adapter cable from the computer 10 Check for a short circuit between Ground and VA VG VB VA3 or VB3 The following table shows which FRUs can cause a short at each signal ThinkPad 700 700C 720 720C 9552 79 e If there is a short circuit less than 10 ohms remove the FRUs indicated one at a time until the short circuit disappears Replace the FRU causing the short circuit FRU VA VG VB VA3 VB3 Voltage converter x x x Processor card System board Video card Base memory card Keyboard control card Math coprocessor Diskette drive Hard disk drive LCD x Indicator assembly x x x x x Xx x XxX XxX Xx x XxX XxX Xx 11 If there is no short circuit replace the following FRUs one at a time e Voltage converter e System board 80 IBM Mobile Sys
90. system board test to verify the symptom This test verifies the system board If no error is detected return to General Checkout on page 25 2 If FRU code 10 appears replace the system board 3 Rerun the test to verify the fix If above procedure does not correct the problem go to Undetermined Problems on page 42 Keyboard Auxiliary Input Device Checkout Remove the external keyboard if the internal keyboard is to be tested If the internal keyboard does not work or an unexpected character appears make sure that the three flexible cables extending from the keyboard are correctly seated in the connectors on the system board If the keyboard cable connection is correct run the Keyboard Test by doing the following 1 Go to advanced diagnostic menu screen by pressing Ctrl A in the basic diagnostic menu 2 Press Ctrl K a layout of the keyboard appears on the screen 3 Check that when each key is pressed the key position on the keyboard layout on the screen changes to a black square Notes a When a Fn key is pressed a black square briefly appears b Press the Esc key to return to the diagnostic menu If the tests detect a keyboard problem do the following one at a time to correct the problem Do not replace a non defective FRU e Reseat the three cables e Replace the keyboard e Replace the system board The following auxiliary input devices are supported for this computer e Numeric key
91. the system 8 Have the same setup for the operation system control files Comparing the configuration and software set up between working and non working systems will often lead to problem resolution Miscellaneous Information 493 Phone Numbers U S and Canada Before you place a call to the Support Center refer to Problem Determination Tips on page 493 U S Authorized Dealers or Servicers Number Information 919 517 0001 800 937 3737 800 426 2472 800 426 7763 800 IBM DEAL 303 924 4015 800 237 5511 800 327 5711 800 426 1484 800 759 7483 800 342 6672 Bulletin Board Service PC Company BM Business Partner Education BM Customer Engineer Technical Support BM National Support Center BM PartnerLink Technical Support BM Part Number ID and Look Up BM Software Defect Support CSDs BM Software Ordering publications BM Supplies Technical Hotline BM Warranty Claims Center OS 2 Replacement Diskettes problems during new system installation U S Customers and Helpware Subscribers Number Information 919 517 0001 800 426 8322 800 999 0052 407 982 6408 800 964 8523 800 772 2227 800 426 4238 800 742 2493 800 447 4700 800 426 4238 800 426 2468 800 426 2468 800 282 0226 800 426 3333 800 IBM SERV 800 426 7282 800 426 9402 Ext 150 800 241 1620 800 742 2493 800 342 6672 800 237 5511 800 237 5511 Bulletin Board Service PC Company Custom
92. the active antenna unit are not inserted correctly e The batteries in the active antenna unit are depleted e The TV Tuner is not set up correctly e You cannot watch TV or videos on the external display e LO is set for the auto tune sensitivity selection See page 479 No color e The program is not in color Snow and noise only Switch the TV EXT 4 button Pictures are out of shape or have double images Dotted lines or stripes For TV e The channel is not tuned correctly e Adjust the antenna For VCR e Change the tracking adjustment e Usually caused by interference from neon signs hair dryers and so on Move the computer to avoid the interference Picture control are not saved e Do not power off the TV Tuner when adjusting functions such as picture control color tint brightness or contrast Channel number is always displayed or is not displayed Select your favorite mode for the on screen message See page 479 Common Devices Checkout 481 482 IBM Mobile Systems HMM Common Parts Listing This section contains FRUs common to most IBM portable laptop and notebook computers External Diskette Drives 5 25 Inch Diskette Drive 360KB External 4869 001 72X6759 360KB External 4869 501 72X6768 1 2MB External 4869 002 15X7993 1 2MB External 4869 502 15X7994 5 25 Inch Drive Adapter 72X6757 5 25 Inch Drive Adapter A 15F7996 5 25
93. the following table for reference when replacing parts Step Location Quantity Length B ooo Note Make sure you use the correct screw 436 IBM Mobile Systems HMM 1090 Status Indicator e Battery Pack 1020 e Keyboard Unit 1080 Warning Do not pull the status indicator cable The cable can be damaged if the status indicator is disconnected without releasing the latch in step H Note When replacing the indicator insert the flexible cable straight into the connector until the head of the cable stops Slide both ends of the latches at the same time to make sure that the cable is correctly inserted pil Use the following table for reference when replacing parts SS Step Location Quantity Length LED Stand off 2 6mm Note Make sure you use the correct screw ThinkPad 755CE 755CSE 755CV 755CX 9545 437 1100 Standby Battery and Front IR e Battery Pack 1020 e Diskette Drive 1030 Where EN is the IR Cable Ei is the Standby Battery Cable is the IR Lens Note When replacing the battery make sure the battery is seated correctly Make sure the IR Lens H is in the correct position by sliding it end to end Step Location Quantity Length cover 1 4mm Note Make sure you use the correct screw m Safety Notice 2 Translation on page 8 The standby battery
94. this does not occur go to Symptom to FRU Index on page 141 6 Run the advanced diagnostics tests For information on how to run the diagnostics tests see Running the Diagnostics on page 156 For information on how to disable the password see Removing the Power On Password on page 156 7 Find your symptom in the table in Checkout Guide on page 127 and then go to the appropriate page Otherwise see Symptom to FRU Index on page 141 and then go to Undetermined Problems on page 152 gt Memory Checkout Depending on the amount of additional memory installed by the customer the memory size that is available for customer use appears differently This is not a hardware problem Consult the following table for the available memory on a system with a 4MB base memory when the customer installs different sizes of small outline dual inline memory module SO DIMM SO DIMM Total Available Memory Installed Memory None 4MB 3712KB 4MB 8MB 7 808KB 8MB 12MB 11 904KB 16MB 20MB 20 096KB 128 IBM Mobile Systems HMM The following table shows the available memory on a system with an 8MB base memory with different sizes of SO DIMM SO DIMM Total Available Memory Installed Memory None 8MB 7 808KB 4MB 12MB 11 904KB 8MB 16MB 16 000KB 16MB 24MB 24 192KB Memory errors might stop system operations or cause error codes to be displayed Use the following proce
95. to end Step Location Quantity Length cover 1 4mm Note Make sure you use the correct screw r_ Safety Notice 2 Translation on page 8 The standby battery contains a small amount of nickel and cadmium Do not disassemble it recharge it throw it into fire or water or short circuit it Dispose of the battery as required by local ordinances or regulations m Safety Notice 4 Translation on page 10 The backup battery is a lithium battery and can cause a fire explosion or severe burn Do not recharge it remove its polarized connector disassemble it heat it above 100 C 212 F incinerate it or expose its cell contents to water Dispose of the battery as required by local ordinances or regulations Use of an incorrect battery can result in ignition or explosion of the battery Replacement batteries can be ordered from IBM or IBM Authorized Dealers 256 IBM Mobile Systems HMM 120 System Board Assembly Battery Pack 1020 e Diskette Drive 1030 e Hard Disk Drive 1035 e Keyboard Unit 1040 e Status Indicator 1060 e LCD Assembly 1070 e Modem Card 1080 e Speaker Shield Assembly 1090 e interposer Card 1095 e DC DC Card 1100 e Backup Battery 1110 e Standby Battery 1115 r Important The EEPROM on the system board contains the vital product data VPD that is system unit serial number system board serial number and other computer unique data W
96. to match the size and shape of the screws used in the computer you are servicing A q a Silver B G oo Black C L jrm Silver D GE mu Brass E n Black F di TT Black G D Black H m Brass J fm Silver K i I Brass L 1 Silver M DO f Silver N nT Silver P mmm Black a qui Brass 20 IBM Mobile Systems HMM Screw Size Chart continued Use the chart below to match the size and shape of the screws used in the computer you are servicing R E Brass s n fu Black TIC E po I Brass U i n Black V f mm Brass w sa Black x I M Black y anun Brass 7 D TTI Brass AA IN Black BB g pumn Brass co TI Brass DD h Black EE 5 lm Black FE mn Silver Introduction 21 Screw Size Chart continued Use the chart below to match the size and shape of the screws used in the computer you are servicing GG E Silver HH aF Brass JJ a fn Silver KK GA mm Black LL om Brass MM gt i LIA Brass NN GE im Silver PP Brass QQ mmm Brass RR TTT Brass ss Brass TT tm Black uu GE pm Black ww fe Silver XX m Black 22 IBM Mobile Systems HMM ThinkPad 340x IBM 2610 General Checkout Memory Checko
97. way 180 and remove the keyboard shelf shown in the figure on page 164 To release the keyboard shelf from the base assembly 1 Gently pull up on the right side of the keyboard shelf 2 Insert a tool into the slots on the back of the computer and gently push in to release the tabs holding in the shelf Removing the Keyboard Remove the four screws BF located on the front below the keyboard shown in the figures on pages 163 and 164 Remove the five remaining screws from the bottom of the base For the screw types that are removed in this step see the figure on page 163 Replacement Warning When you reinstall the screws be careful when tightening the middle screw toward the rear of the computer If you tighten the screw too much you can break the plastic base If you are using an electric screwdriver set it to a low or sensitive setting to prevent breakage Remove the screw BC located below the right hinge Replacement When you replace the screws in the base and the keyboard shelf perform the steps in the following order 1 Replace the screw BC in step shown in the figure on page 164 Do not tighten the screw until the front keyboard screws are in place 2 Replace the keyboard shelf 3 Replace the front keyboard screws in step E shown in the figure on page 163 4 Tighten the BC screw 5 Replace the screws in step EQ Remove the keyboard shown in the figure on page 164 To remov
98. 0 e DSP Card 1140 e Interposer Card and Rear IR 1150 e Processor Card 1180 e System Board Assembly 1160 6 Notes 1 When handling the PCMCIA slot assembly be careful not to disassemble any part of it The slot assembly is not solidly fixed when it is removed from the system board or the FRU In step EJ gently pull up the bottom of the center area of the connector board edge with your fingers 2 The screw stand at each corner of the PCMCIA slot is ThinkPad 755CE 755CSE 755CV 755CX 9545 449 easy to remove Make sure that the screw stand is correctly positioned when the slot is replaced Do not replace the slot without the screw stand Use the following table for reference when replacing parts Step Location Quantity Length PCMCIA slot upper 2 4mm A PCMCIA slot lower 2 14 mm Note Make sure you use the correct screw 450 IBM Mobile Systems HMM 1180 Processor Card Battery Pack 1020 Diskette Drive 1030 Hard Disk Drive 1040 Keyboard Unit 1080 Status Indicator 1090 Standby Battery and Front IR 1100 Backup Battery 1110 Logic Assembly 1115 Turn the system board upside down Then remove any metal tape holding the card ThinkPad 755CE 755CSE 755CV 755CX 9545 451 To remove the processor card gently lift the area shown by EN straight up Do not pull the other areas Note If the processor card is not installed correctly t
99. 00 387 8343 800 668 5682 800 387 8343 905 316 7952 800 661 PSMT 905 316 5556 514 938 6048 800 465 6600 905 316 6666 800 465 6666 800 263 2769 800 465 2222 416 443 5701 800 465 7999 800 465 7999 905 513 3367 905 316 2683 800 465 3299 905 316 3299 800 565 3344 800 268 3100 905 474 6666 Ambra Customer Support Ambra Business Partner Warranty Support Ambra Business Partner Parts Warranty Claims Ambra Bulletin Board Business Partner Marketing Support Business Partner Marketing Support Toronto Business Partner Marketing Support French Customer Relations Customer Relations Toronto Customer Service Dispatch Customer Service Parts Customer Support Center ISC Customer Service Repair Centre HelpClub Registration BM Direct BM Certification Administrator BM Certification Coordinator Mail to IBM Certification 50 Acadia Drive Markham Ontario L3R 0B3 BM HelpFax BM HelpFax Toronto BM HelpPC BM Information Network Support BM Information Network Support Toronto Miscellaneous Information 495 IBM Canada Customer and Servicer Support Number Information 800 663 7662 800 263 2769 416 443 5808 Fax 416 443 5755 514 938 3022 905 316 4255 604 664 6464 204 934 2735 800 661 7768 800 465 1234 416 513 3360 416 513 3372 Fax 905 316 4148 905 316 4100 Fax 905 316 4150 905 316 4100 Fax 905 316 4872 905 316 4100 Fax 800 661 2131 800 387 8483 800 5
100. 0171 66G0168 66G0162 66G0165 66G0159 66G0157 66G0155 66G0153 66G0166 66G0151 66G0150 ThinkPad 355x 360x 370C 750x 755C 755Cs 309 Common Option Parts List Miscellaneous Parts AC Adapter 35 W 3 pin 85G1952 For Japan 2 pin 85G6669 AC Adapter 40 W 3 pin 49G2196 For Japan 2 pin 49G2197 AC Adapter 40 W 3 pin U S only 84G4320 not for 370C Foot right or left 84G4326 Miscellaneous Parts Kit Includes DC in holder spacer warning label For Models 750x 66G5039 For Models 355x 360x 370C 755C 755Cs 84G2254 PC Card Locking Bar 85G8625 Screw Kit 66G5124 Includes 10 2 5 x 4 mm 10 2 5 x 6 mm 10 2 5 x 8 mm Flat head 10 2 5 x 8 mm 10 2 5 x 16 mm 10 hex stud I O 10 hex stud bus 2 washer for hex stud bus IC DRAM CARD Eject Tape 53G9318 Options Notes 1 When you replace the AC adapter or the Quick Charger with a new one use the one for the country you are in even if the system is from different country 2 The warranty for the system unit is not applied to all options Audio Cable 66G5180 Car Battery Adapter 49G1148 48G9203 label sealed Car Battery Adapter 84G4359 66G9984 label sealed Diskette Drive Attachment Unit 66G5069 IC DRAM CARD 2MB 07G1414 IC DRAM CARD 4MB 07G1415 IC DRAM CARD 8MB 07G1416 IC DRAM CARD 16MB 66G0094 Microphone 66G7871 PS 2 Miniature Mouse 95F5723 Port Replicator 66G3575 Port Replicator with PCMCIA 66G3574 Quick Charger 3 pin 66G2815 For Japan 2 pin 66G2
101. 1 See Checking the Backup Battery on page 75 before replacing any FRUs 2 Backup Battery 3 System Board 1 See Printer Checkout on page 474 Serial or serial port device 1 Device problems 2 Cable 3 Serial Adapter if attached 4 System Board Parallel or parallel port device problems 1 Device printer 2 Cable 3 Parallel Adapter if attached 4 System Board Internal Data Fax modem does not communicate with a remote modem or a facsimile machine 1 See Fax Modem Checkout on page 472 PS2 command cannot power off internal modem unless computer is powered off 1 Create new PS2 setup program using UINSTALL command Reference Diskette must be 1 10 or later 92 IBM Mobile Systems HMM Undetermined Problem You are here because the diagnostic tests did not identify which adapter or device failed the Devices List is incorrect or the system is inoperative Follow the procedures below do not isolate FRUs that are known to be good Check the power supply that was being used at the time of the failure See Power Systems Checkout on page 71 If the power supply is operating correctly continue with the following procedure 1 Power off the computer 2 Remove or disconnect one of the following devices or adapter Do not isolate FRUs that are known to be good a b gt mOoad o Non IBM devices Modem PC card printer mouse or
102. 10 11 12 12 13 LCD 700 1 For Germany Gray 700 1 LCD Bezel Assembly 700 1 For Germany Gray Contrast and Brightness Slide 700 LCD 700C 1 For Germany Gray 700C 1 LCD Hinge Kit LCD Case Frame Keyboard 700 For Germany Gray 700 For Japan 700 Frame Keyboard 700C For Germany Gray 700C For Japan 700C Battery Pack Nickel Metal Hydride For Benelux For Germany Gray For Swiss Battery Terminal Assembly Frame Stiffener Voltage Converter w lid susp switch 700 Voltage Converter w lid susp switch 700C Keyboard Control Card 84 key U S Keyboard Control Card 85 key Keyboard Control Card 89 key System Board 700 System Board 700C 50MHz Upgrade System Board 700 240 340MB Upgrade System Board 700 44G3806 48G9321 53G7831 53G7832 53G7803 48G8723 48G9909 85G8199 44G3875 44G3797 48G9313 44G3798 48G8945 48G9905 48G8946 44G3811 49G2190 49G2036 44G3812 44G3779 44G3771 44G3784 48G8712 44G3783 49G2096 49G2097 44G3780 49G1975 54G1046 53G7822 50MHz 240 340MB Upgrade System Board 700 53G7824 50MHz Upgrade System Board 700C 240 340MB Upgrade System Board 700C 50MHz 240 340MB Upgrade System Board 700C Power Switch Knob Actuator For Germany Gray LED Flexible Plastic Cable Backup Battery Lithium Processor Card 50MHz Upgrade Processor Card 700 700C YO Connectors Cover Group For Germany Gray Bottom Cover Assy U S Can LAD 700 For Benelux For Eur
103. 2 1 44MB 3 mode Removable 3 5 inch e 0 720 1 2 1 44 2 88MB 4 mode 3 5 inch Hard Disk e 170MB 2 5 inch Drive e 340MB 2 5 inch Removable e 540MB 2 5 inch Audio Card Microphone and headphone jacks with built in microphone PCMCIA One Type lll or two Type II ThinkPad 355x 360x 370C 750x 755C 755Cs 235 FRU Removals and Replacements This section contains information about removals and replacements e The system board is sensitive to and can be damaged by electrostatic discharge Establish personal grounding by touching a ground point with one hand before touching these units An electrostatic discharge ESD strap must be used to establish personal grounding e Do not damage any part Only certified trained personnel should service the computer e The arrows in the Removals and Replacements section show the direction of movement to remove a FRU or to turn a screw to release the FRU The arrows are marked in numeric order in square callouts to show the correct sequence of removal e When other FRUs must be removed before removing the failing FRU they are listed at the top of the page e To replace a FRU reverse the removal procedure and follow any notes that pertain to replacement See Locations for internal cable connections and arrangement information e When replacing a FRU use the correct screw size as shown in the procedures m Safety Notice 8 Translation on page 13 Before re
104. 2 AC Adapter 3 Memory Option 4 Top System Board 10X 1 Bottom System Board 119 1 Top System Board 161 163 1 Set Configuration Press Fn F1 to enter the Configuration Utility and set the time and date 2 Top System Board 3 Bottom System Board 162 Check the Installed Devices list for a missing device 1 Set Configuration Press Fn F1 to enter the Configuration Utility and set your configuration Any Missing Device Top System Board Bottom System Board Pe 164 Memory size error 1 If a SO DIMM card has been removed press Fn F1 to enter the Configuration Utility and verify the memory size 2 Replace the installed SO DIMM 3 Bottom System Board 184 1 Press Fn F1 to enter the Configuration Utility and then reset the Power on Password 195 The hibernate partition does not match memory size 1 Check if the disk drive is from another computer or if the memory size has changed 2 Go to Hard Disk Drive Checkout on page 133 3 Hard Disk Drive 142 IBM Mobile Systems HMM Symptom Error FRU Action 196 Read error occurred in the hibernate area of the Hard 1 Disable and then enable Hibernate mode Disk Drive 2 Go to Hard Disk Drive Checkout on page 133 3 Hard Disk Drive 197 1 Disable and then The computer memory size enable Hibernate is no
105. 2 represents the second drive usually attached through a port replicator or an expansion unit 346 IBM Mobile Systems HMM Password Combinations POP HDP PAP The password relationship is e When POP is the same as HDP The POP prompt appears but the HDP prompt does not appear e When POP is not the same as HDP Both POP and HDP prompts appear e PAP and HDP When PAP is used the HDP is enabled automatically but no HDP prompt appears The HDP is set the same as PAP How to Run the Low Level Format Do the following to format the hard disk Warning Make sure the drive address to be formatted is correct This procedure will erase all information on the disk 1 Power off the computer 2 Insert the ThinkPad 755Ce hardware maintenance diskette into diskette drive A and power on the computer Note You can use this maintenance diskette for all models 3 Select Format the hard disk from the main menu 4 Select the drive from the menu 5 Follow the instructions on the screen PC Test Card LED The green LED on the PC test card turns on when the PCMCIA test is running If the LED does not turn on check that the card is installed correctly by reseating the card If it still does not turn on after it is reseated try using another slot for the test If the LED still does not turn on and the test fails replace the FRU shown in the diagnostic error code ThinkPad 755CD 755CDV 9545 347 Fn Key Combinations The
106. 355x 360x 82G3891 S82G 3891 ThinkPad Dock 3545 Docking Station 3550 Data Fax Modem FaxConcentrator A 71G4140 S71G 4140 42G2428 S42G 2428 61G1556 S61G 1556 84F8540 S84F 8540 Trademark of the IBM Corporation vi IBM Mobile Systems HMM Contents Introduction Portable Computer Descriptions Drive and Diskette Compatibility Matrix Important Service Information 2 Safety Notices Multi lingual Translations Safety Information Laser Compliance Statement Screw Size Chart ThinkPad 340x IBM 2610 General Checkout Symptom to FRU Index Related Service Procedures 2 Product Overview FRU Removals and Replacements Locations hl Z oe ts de See Se Lt Parts LIstingn lt p wi ale ete a E ThinkPad 700 700C 720 720C 9552 General Checkout Symptom to FRU Index Related Service Procedures 2 Product Overview 044 FRU Removals and Replacements Locations 440 Latta La PU lai Parts Listing 700 Parts Listing 720 720C ThinkPad 701C 701CS 2630 Checkout Guide Symptom to FRU Index Related Service Procedures Product Overview 04 FRU Removals and Replacements Locations a eos we lt b wo be
107. 39G900 1 System Board 005002XX 005006XX 005008XX 005041XX 1 See External Display Self Test on page 470 before replacing any FRUs Video Card External Display LCD System Board GCN 005004XX 005010XX 005030XX 005032XX 005051XX 005062XX Video Card System Board LCD DOS 005009XX 005040XX 1 See External Display Self Test on page 470 before replacing any FRUs External Display Video Card System Board Pen 0080XXXX System Board PCMCIA Card Slot p 0085XXXX 1 Do not replace any FRUs The installed Memory Expansion Adapter is not supported by IBM 00860100 00860200 See 1080 Keyboard Unit Pointing Device 2 System Board on page 54 before replacing 3 Numeric Keypad any FRUs 00860300 00860400 1 System Board 00862300 00862400 2 Keyboard Control Card See 1080 Keyboard Unit 3 Pointing Device on page 54 before replacing 4 Keyboard TrackPoint any FRUs 5 Numeric Keypad 86 IBM Mobile Systems HMM Symptom Error FRU Action 00861100 00861200 00861300 See 1080 Keyboard Unit on page 54 before replacing any FRUs 00861XXX not listed above See 1080 Keyboard Unit on page 54 before replacing any FRUs 1 Keyboard Control Card 2 Keyboard Pointing Stick System Board 4 Ext Keyboard Cable 1 Keyboard Pointing Stick 2 Keyboard Control Card 3
108. 4 Non acceptable ID was read from the diskette drive 1 Go to Diskette Drive Test on page 28 2 Diskette 3 Diskette Drive Assembly 1 Go to Diskette Drive Test on page 28 2 Diskette Drive Assembly System Board w 11XX Serial Device First Communication Cable System Board ONS 12XX Serial Device Second Communication Cable System Board n 17XX Hard Disk Drive System Board N 24XX 1 System Board 808X 1 PCMCIA Slot Assembly PCMCIA Device System Board n 36 860X Pointing device error when TrackPoint II or III is disabled 861X Pointing device error when TrackPoint II or III is External Mouse External Keyboard System Board n 1 Reseat the keyboard TrackPoint Il or Ill cable See 1080 enabled Keyboard Unit on page 54 2 Keyboard 3 External Mouse 4 System Board IBM Mobile Systems HMM Symptom Error FRU Action 19990301 1 Reseat the boot 19990302 device 19990305 2 Check the startup sequence for the correct boot device 3 Check that the operating system has no failures and is installed correctly 19990303 1 System Board Other codes not listed 1 Go to Undetermined above Problems on page 42 FRU Codes If an error is detected by the diagnostic tests a four digit FRU code is displayed The FRU code indicates two suspected FRUs Replace the
109. 4 Install the battery pack and plug the AC adapter cable into the computer to charge the battery pack e Ifthe battery power status indicator is blinking orange and battery charging indicator is on replace the battery pack If the battery is charging normally the battery is OK 74 IBM Mobile Systems HMM Checking the Backup Battery 1 Carefully place the computer bottom side up 2 Remove the bottom cover 3 Disconnect the battery connector from the system board 4 Measure the voltage of the backup battery See the following figure Wire Voltage V dc Red 2 5 to 3 7 Black Ground e If the voltage is correct replace the system board e If the voltage is not correct the backup battery has been discharged by a short circuit or it is defective Checking the Standby Battery Note Make sure that the battery pack is removed from the computer before the standby battery is removed 1 Power off the computer and unplug the AC adapter cable from the computer 2 Remove the battery pack 3 Remove the indicator cover 4 Disconnect the standby battery connector from the voltage converter 5 Plug the AC adapter cable into the computer and power on the computer 6 Measure the output voltage at the connector on the voltage converter See the following figure ThinkPad 700 700C 720 720C 9552 75 2 1 Pin Voltage V dc 1 4 2 Ground e If the voltage is less than
110. 4 V dc replace the voltage converter e Ifthe voltage is more than 4 V dc go to the next step 7 Power off the computer and unplug the AC adapter cable from the computer 8 Reconnect the standby battery to the voltage converter 9 Plug the AC adapter cable into the computer and power on the computer Allow approximately 30 minutes for the standby battery to charge 10 Power off the computer and unplug the AC adapter cable from the computer and remove the standby battery 11 Measure the voltage of the standby battery e If the voltage is less than 3 5 V dc replace the standby battery Checking the Quick Charger If a humming or buzzing sound is heard from the quick charger when it is operating replace the quick charger If the charger is operating at a normal quiet sound level do the following 1 Perform steps 1 through 3 of the Checking the Battery Pack to ensure the battery pack is operating correctly 2 Connect the power cord to the quick charger and the other end to the ac power outlet Ensure that the power on indicator is on e If the power on indicator does not turn on check the power cord of the quick charger for correct continuity and installation 76 IBM Mobile Systems HMM e Ifthe problem is not corrected replace the quick charger or the power cord 3 Install the battery pack into the quick charger e If the charging indicator does not start blinking replace the quick charger Checkin
111. 55 DIMM and DIMM Adapter 755C 755Cs e Battery Pack 2020 e Diskette Drive 2030 Press both locks at the same time and remove the DIMM ee F PITT itt tit al D iy While holding the strap MJ pull the DIMM adapter toward the front H to remove it ThinkPad 355x 360x 370C 750x 755C 755Cs 269 Notes 1 Ifthe IC DRAM cards or the DIMM are not installed and the base plate is installed instead of these card remove the plate as follows a Pinch the projection on the left side of the plate then pull the plate slightly toward the front b Raise the rear portion of the plate and remove it 2 When inserting the DIMM into either connector on the DIMM adapter a Locate the triangle H on the right side of the socket b With the notched end of the DIMM toward the triangle insert the DIMM into the socket c Pivot the DIMM until it snaps into place If you have another DIMM to install insert it in the other socket the same way 270 IBM Mobile Systems HMM 2056 Diskette Drive Bezel e Battery Pack 2020 e Diskette Drive 2030 Insert a coin between the diskette drive bezel and the computer as shown and push the bezel from the bottom of the computer H to remove it ThinkPad 355x 360x 370C 750x 755C 755Cs 271 2060 Status Indicator e Battery Pack 2020 e
112. 5741 95F5741 84G6286 84G6280 84G6292 84G6304 84G6298 84G6310 84G2530 84G6285 84G6279 84G6291 84G6303 84G6297 84G6309 84G2529 54G0444 72X8546 35G4703 66G5180 95F3598 82G3891 Power Cords Warning Use the power cord certified for your country ONOuhWND 9 10 Country Colombia U S Venezuela Japan 2 pin Japan 3 pin Hong Kong Singapore U K France Germany Spain Italy Australia New Zealand Denmark Israel Bangladesh Pakistan Sri Lanka South Africa Switzerland Thailand 30 40W 13F9959 6454377 65F0031 14F0033 13F9979 14F0069 13F9940 13F9997 14F0087 14F0015 14F0051 1838574 35W 25H2207 85G6665 25H2215 25H2209 25H2223 25H2205 25H2211 25H2225 25H2213 25H2221 25H2219 Note The 30 40W cord is 6 feet long the 35W cord is 6 inches ThinkPad 755CE 755CSE 755CV 755CX 9545 467 468 IBM Mobile Systems HMM Common Devices Checkout External Diskette Drive Test 2 External Display Self Test 2 External Keyboard Auxiliary Input Device Checkout Fax Modem Checkout 2 Printer Checkout Port Replicator Checkout 2 2 2 TrackPoint Il Checkout WV TUNG ieri ee a e ie Gee Ra ee Identifying Names and Functions Using the Front Panel Troubleshooting Copyright IBM Corp 1995 469 External Diskette Drive Test Use the following procedure to isolate the
113. 6 IBM Mobile Systems HMM Note To check the versions of the video drivers follow these steps e In DOS Drivers display their version level when they are loaded To check them after they have been loaded look in CONFIG SYS or AUTOEXEC BAT files for video driver information e In Windows Drivers installed using the video driver installation utility place an icon in the Control Panel in the Main group Double click on the ChipsCPL icon to display the driver dialog box Choose the Version button to display the driver level Symptom Error FRU Action No beep power on indicator 1 Adjust contrast on and a blank LCD during 2 Top System Board POST 3 Bottom System Board e LCD backlight not 1 Reseat LCD working or connectors e LCD too dark or 2 Reseat inverter card e LCD brightness cannot 3 Inverter Card be adjusted 4 LCD Assembly LCD contrast cannot be 1 Reseat LCD adjusted ThinkPad 701CS connectors only 2 Top System Board 3 LCD Assembly e LCD screen unreadable or e Characters missing pels or e Screen abnormal or e Wrong color displayed See important note for Disassembling the LCD Assembly on page 172 1 Check that the latest versions of the drivers are installed 2 Reseat LCD connectors 3 Bottom System Board 4 LCD Assembly LCD has extra horizontal or vertical lines displayed 1 LCD Assembly Blank LCD system runs correctly during
114. 60 66G0158 66G0157 66G0154 66G6402 66G0152 66G0167 66G0164 66G0170 66G0156 66G0171 66G0168 66G0162 66G0165 66G0159 66G0157 66G0155 66G0153 66G0166 66G0151 66G0150 Models 755C and 755Cs 307 ThinkPad 355x 360x 370C 750x 755C 755Cs System Unit 755C 755Cs Index 1 LCD Assembly 755C For Japan LCD Assembly 755C This LCD does not have a contrast control LCD Assembly 755Cs 2 Hinge Cover Hinge Bracket Right Left Status Indicator Assembly 755C Status Indicator Assembly 755Cs Screw Cover Speaker Shield Assembly Insulator Speaker Includes speaker holder Interposer Card DC DC Card PCMCIA Slot Assembly System Boards The following do not include PCMCIA slot assembly index 10 lower shield index 14 or processor card index 11a System Board For LCD with a contrast control System Board For LCD without a contrast control 11a Processor Card 25 50 MHz Processor Card 25 75 MHz Includes hex head screws nut and screw cover 12 HDD Removal Strap 13 Hard Disk Drive Includes strap index 12 170MB 340MB 540MB 810MB 14 Lower Shield 15 Rear Connector Cover 16 PCMCIA Cover Includes bezels and security plate 17 PCMCIA Device 17a Name Label 18 Base Cover Assemblies include coil spring insulator foot power switch knob holder latch buttons Base Cover Assembly For Benelux For Japan 19 Bezel Diskette Drive 20 Cover Option Bay 21 Bezel Audio Card Includes bracket index 21a
115. 61G 1187 ThinkPad 730T 2524 HMM 82G5497 S82G 5497 ThinkPad Exp Crtg 3550 HMS 42G2338 S42G 2338 ThinkPad Exp Crtg 3550 HMR 42G2339 S42G 2339 PS 2 FaxConcentrator HMS 15F2262 S15F 2262 PS 2 FaxConcentrator HMR 84F8541 S84F 8541 PS 2 Comm Cartridge HMS 10G5993 S10G 5993 PS 2 Comm Cartridge HMR 10G5992 S10G 5992 IBM High Speed Internal PCMCIA Data Fax Modems 61G1556 S61G 1556 iv IBM Mobile Systems HMM Obsolete Publications This manual obsoletes the following publication Publication Part Form Number Mobile Systems HMM Volume 2 ThinkPad Computers 82G1502 S82G1502 19H1080 S82G1502 Related Diskettes The following diskettes are available through IBM or your IBM Authorized Dealer Diskette ThinkPad 300 2615 Advanced Diagnostics Part Form Number 33G9361 S33G 9361 ThinkPad 350 350C 425 425C 2618 Advanced Diagnostics Diskette A211000 GA21 1000 ThinkPad 500 2603 Adv Diagnostics Diskette 71G3702 S71G 3702 ThinkPad 510 2604 Adv Diagnostics Diskette 83G8095 S83G 8095 ThinkPad 700 9552 Reference Diskette 42G2017 S42G 2017 ThinkPad 700C 9552 Reference Diskette 42G2023 S42G 2023 Reference Diskette ThinkPad 720 720C 9552 61G1194 S61G 1194 ThinkPad 750Ce 9545 Hardware Maintenance 750x and 755x for all Models
116. 6401 Norwegian 95F5467 Spanish 95F6315 Swedish Finnish 95F5468 Swiss French 95F5711 Swiss German 95F5715 Turkish 95F5467 U K English 95F5741 U S English 95F5741 Tools Tri Connector Wrap Plug 72X8546 PC Test Card 35G4703 Audio Wrap Cable 66G5180 Screwdriver Kit 95F3598 ThinkPad 340x IBM 2610 65 Warning Use only the power cord certified for your country OnNoOuohWND 9 10 Colombia U S Venezuela Japan 2 pin Japan 3 pin Hong Kong Singapore U K France Germany Spain Italy Australia New Zealand Denmark Israel Bangladesh Pakistan Sri Lanka South Africa Switzerland Thailand 30 40W 13F9959 6454377 65F0031 14F0033 13F9979 14F0069 13F9940 13F9997 14F0087 14F0015 14F0051 1838574 35W 25H2207 85G6665 25H2215 25H2209 25H2223 25H2205 25H2211 25H2225 25H2213 25H2221 25H2219 Note The 30 40W cord is 6 feet long the 35W cord is 6 inches 66 IBM Mobile Systems HMM ThinkPad 700 700C 720 720C 9552 General Checkout 68 Memory Checkout 2 70 Power Systems Checkout 71 Power Management Features 81 Symptom to FRU Index 82 Numeric Error Codes 82 Beep Symptoms 88 Miscellaneous Symptoms 89 Undetermined Problem 93 Related Service Procedures 94 System Status Indicators 2 94 Check Point CP Codes 96 Syst
117. 65 3344 416 443 5835 Fax 905 316 2445 905 316 3515 Fax 416 443 5778 800 505 1855 416 946 1333 800 267 7472 Lexmark Product Information Parts Orders Exchange or Emergency Parts Regular Orders Exchange Parts Orders Inquiries PC Co Bulletin Board Montreal PC Co Bulletin Board Toronto PC Co Bulletin Board Vancouver PC Co Bulletin Board Winnepeg PS Marketing Support PSMT Publications Ordering Service Announcement HMS Manuals Service Announcement HMS Manuals Service Management Support Service Management Support Service Manager Service Manager Service Quality Programs Service Quality Programs Skill Dynamics Education PS 1 Warranty Service Business Partner DOAs PS 1 Warranty Service Customer Helpline Warranty Claim Fulfillment Warranty Claim Reimbursement Warranty Claim Reimbursement Warranty Claim Parts Inquiry Warranty Provider Support Hotline Warranty Provider Support Toronto Warranty Service ThinkPad Trademark of the IBM Corporation 496 IBM Mobile Systems HMM Notices References in this publication to IBM products programs or services do not imply that IBM intends to make these available in all countries in which IBM operates Any reference to an IBM product program or service is not intended to state or imply that only that IBM product program or service may be used Subject to IBM s valid intellectual property or other legally protectable rig
118. 7 e How to Run the Low Level Format on page 347 e PC Test Card LED on page 347 e Fn Key Combinations on page 348 How To Run the Keyboard Diagnostics on page 348 Status Indicators The system status indicators show the current computer status in different colors green yellow and orange Symbol Color Meaning d Blinking green Speaker sounds Green Battery fully 1 charged Yellow Battery usable Orange Battery low or if lt is green the operational charge cannot be performed Blinking orange Battery almost depleted Blinking green Battery storage yellow and switch is set off orange Orange or if lt is blinking Green or Yellow twice every 3 seconds the battery is discharging lt Green Battery charging Orange PC card in use a Orange Diskette drive in use 6 Orange Hard disk drive in use Green Keys in Num AD Lock mode 344 IBM Mobile Systems HMM Symbol Color Meaning Green Keys in Caps Lock mode Lock mode Green Computer in suspend mode ED Green Keys in Scroll Q Blinking green Computer resuming normal mode D Green Computer powered on How to Run the Diagnostics Use either the TrackPoint III or the cursor move keys to interact with the tests The Enter key works the same as selecting the OK icon to reply OK 1 Press and hold the F1 key then
119. 7 59G1067 59G1064 59G1045 PSTN Cable Austria Australia Belgium Denmark Finland France Germany W W Netherlands Norway New Zealand PRC Hongkong Sweden Switzerland U K Options Notes 1 58G4386 58G4343 58G4346 58G4333 58G4334 58G4335 58G4347 43G3398 58G4340 58G4334 58G4332 58G4336 58G4348 58G4345 When you replace the AC Adapter or the Quick Charger with a new one use the one for the country you are in even if the system is from different country The warranty for the system unit does not apply to all options AC Adapter 40W For Japan AC Adapter 100 125 V ac 40W For U S only Audio Cable Battery Pack Li ion for 755CDV Car Battery Adapter Small Car Battery Adapter Diskette Drive Attachment Unit IC DRAM CARD 2MB IC DRAM CARD 4MB IC DRAM CARD 8MB IC DRAM CARD 16MB Microphone PS 2 Miniature Mouse Port Replicator Port Replicator with PCMCIA Travel Quick Charger 3 pin Quick Charger Cable DIMM 4MB DIMM 8MB DIMM 16MB DIMM Adapter Card Headset 49G2196 49G2197 84G4320 66G5180 85G8554 49G1148 84G4359 66G5069 07G1414 07G1415 07G1416 66G0094 66G7871 95F5723 66G3575 66G3574 85G1530 85G1531 84G4323 84G6545 84G4324 84G4322 85G1529 ThinkPad 755CD 755CDV 9545 387 Numeric Keypad Belgian Canadian French Danish Dutch French German Greek Hebrew Icelandic Italian Japanese Norwegian Spanish Swedish Finnish Swiss French Swiss German Turkish U K E
120. 750x 755C 755Cs 289 System Front View 750P 360P 360PE A 3 4 6 G 8 O Convertible LCD Contrast Control Brightness Control Status Indicator External Input Device Connector PCMCIA Slot PCMCIA Release Lever Keyboard LCD and Keyboard Latch Hard Disk Drive Compartment Battery Compartment Click Buttons Diskette Eject Button Diskette Drive Fn Key TrackPoint II Stylus Pen 290 IBM Mobile Systems HMM System Rear View All Models Diskette Drive Cover Power Switch Ey Microphonef Line In Jack Headphone Jack Note Not all models have jacks and Qj Power Jack Serial Connector Parallel Connector External Display Connector Reset Pushbutton System Expansion Connector Boosoo soo Note Model 355x does not have this connector A multimedia portable expansion unit port replicator or port replicator with PCMCIA can be connected to this interface to support the following features e 16 bit AT bus interface e Serial port e Parallel port e Keyboard and mouse e HDD connection e LED control signals e Visual signals e Audio signals e FDD signals e PCMCIA signals e Power controls e Power line Connector Door Rear Door ThinkPad 355x 360x 370C 750x 755C 755Cs 291 System Board Top View Power Switch Modem Card Connector 355x 360x Serial Connector Audio Card Connector Speaker Connector 370C only Parallel Connector Interposer Card Connector External Display Connect
121. 76KB Memory errors might stop system operations show error messages on the screen or hang the system The computer detects memory parity errors but does not correct them Use the following procedure to isolate memory problems 1 Check whether or not the memory card use parity or non parity Note Installing a non parity memory card causes parity errors when parity checking is enabled If the non parity memory card is installed disable the parity check through the Easy Setup configuration screen Make sure that the memory card is fully seated in the connector A loose connection can cause an error Power off the computer and remove the IC DRAM card or DIMM card from its slot if installed Press and hold the F1 key then power on the computer Hold the F1 key down until the Easy Setup screen appears Select Test and press enter Select Memory and press enter to run the memory test on base memory If an error appears replace the memory card Power off the computer and reinstall the IC DRAM card or DIMM card then power on the computer Verify the memory size then test the memory If an error appears replace the IC DRAM card or the DIMM card If memory problems occur intermittently use the loop option to repeat the test When the test detects an error 318 IBM Mobile Systems HMM an error log is printed on the printer connected to the parallel port See Error Log on page 346 for more information
122. 8 2130 DC DC Card 369 2140 DSP Card 370 2150 Interposer Card 371 2160 System Board Assembly 372 2170 PCMCIA Slot Assembly 373 2180 Processor Card 375 2190 LCD Assembly 377 2195 LCD Rear Cover 755CDV only 378 2200 Lower Shield Assembly 379 2210 Memory Card 380 Locations fete GOR ce ae Sean pate he Saeko a 381 Front View e pobe ge Pi of a 381 Rear View 382 Parts Listing i de pae n Pe 4 383 Common Option Parts List 386 316 IBM Mobile Systems HMM General Checkout Use the following procedure as a guide for computer problems The diagnostic tests are intended to test only IBM products Non IBM products prototype cards or modified options can give false errors and invalid system responses 1 Obtain the failing symptoms in as much detail as possible 2 Verify the symptoms by attempting to recreate the failure by running the diagnostic test or by repeating the same operation Note To run the diagnostics refer to How to Run the Diagnostics on page 345 3 Use the following table with the verified symptom to determine which page to go to Search the symptoms column and find the description that best matches your symptom then go to the page shown in the Go to column Symptom Go to Power failure The power indicator does not go on or stay on Power Systems Check
123. 8 Detach the LCD cable shown in the figure on page 164 Slide up the ferrite core on the cable to reach the latches The LCD cable uses ZIF connectors Replacement For information about reconnecting the LCD cable see Replacing the LCD Assembly on page 175 Remove the ferrite core from the LCD cable shown in the figure on page 164 Replacement For information about replacing the ferrite core see Replacing the LCD Assembly on page 175 Detach the microphone cable from the top system board shown in the figure on page 164 Replacement Make sure that the two aluminum spacers are in place After you reattach the microphone cable place any excess cable behind the PCMCIA slot assembly For information on IBM Mobile Systems HMM routing the backlight cable see Routing the Backlight Cable on page 176 Detach the LCD backlight cable from the inverter card shown in the figure on page 164 Replacement For information on routing the backlight cable see Routing the Backlight Cable on page 176 Detach the speaker cable from the top system board shown in the figure on page 164 Replacement After you reattach the speaker cable place any excess cable behind the PCMCIA slot assembly Remove the four hinge screws BG shown in the figure on page 164 Close the computer lid before removing the screws E Remove the LCD assembly shown in the figure on page 164 Replacement See Disassem
124. 8 95F5711 95F5715 95F5467 95F5741 95F5741 54G0444 72X8546 35G4703 95F3598 82G3891 Power Cords Warning Use the power cord certified for your country 30 40W 1 Colombia U S Venezuela 13F9959 Japan 2 pin 6454377 Japan 3 pin 65F0031 2 Hong Kong Singapore U K 14F0033 3 France Germany Spain 13F9979 4 Italy 14F0069 5 Australia New Zealand 13F9940 6 Denmark 13F9997 7 Israel 14F0087 8 Bangladesh Pakistan 14F0015 Sri Lanka South Africa 9 Switzerland 14F0051 10 Thailand 1838574 Notes 35W 25H2207 85G6665 25H2215 25H2209 25H2223 25H2205 25H2211 25H2225 25H2213 25H2221 25H2219 e Models 370C 755C and 755Cs do not support the 30W AC adapter e The 30 40W cord is 6 foot long the 35W cord is 6 inches ThinkPad 355x 360x 370C 750x 755C 755Cs 313 314 IBM Mobile Systems HMM ThinkPad 755CD 755CDV 9545 General Checkout Memory Checkout System Board and Processor Card Checkout Keyboard Auxiliary Input Device Checkout TrackPoint III Checkout 2 2 2 Game Port Checkout Diskette Drive Test Power Systems Checkout Power Management Features Symptom to FRU Index Numeric Error Codes 2 ERU C odes i a eee ak ee y ih Beep Symptoms No Beep Symptoms LCD Related Symptoms Model 755CDV Symptoms Keyboard TrackPoint III Re
125. 8 Base Plate 29 Hinge Cover Bracket 30 Bracket Shield 31 Fax Audio Spacer Audio Card Supported in Japan and European countries 32 Keyboard Lock 33 TrackPoint Ill Cap 34 Keyboard Assembly See keyboard list 35 Leaf Spring Plate 30 O0ONQDOURWND o 29H7543 66G5047 66G5057 29H6688 66G5046 84G4290 84G4357 66G3754 66G9242 84G4329 66G5121 29H6690 84G4288 66G5122 66G5068 84G4319 85G0961 84G4291 66G5050 66G5053 66G9228 29H7544 29H7547 29H7545 66G5051 66G5052 29H7546 84G4292 66G3755 66G3761 66G3758 84G2263 84G2294 29H6687 84G2269 66G5123 84G2293 29H8762 84G5861 84G5862 66G5037 66G0031 84G6536 66G0041 ThinkPad 355x 360x 370C 750x 755C 755Cs 301 Index 36 Upper Cover 84G2257 PCMCIA Security Plate 85G8625 EMI Spring Plate 85G0948 DC Plug 85G6664 Keyboard Arabic 66G0163 Belgian 66G0161 Canadian French 66G0169 Danish 66G0160 Dutch 66G0158 Finnish 66G0157 French 66G0154 German Black 66G6402 Greek 66G0167 Hebrew 66G0164 Italian 66G0156 Japanese 66G0171 Latin American 66G0168 Norwegian 66G0162 Portuguese 66G0165 Spanish 66G0159 Swedish 66G0157 Swiss French 66G0155 Swiss German 66G0153 Turkish 66G0166 U K English 66G0151 U S English 66G0150 Russian 85G7443 302 IBM Mobile Systems HMM Model 750x 303 ThinkPad 355x 360x 370C 750x 755C 755Cs System Unit 750x Index 1 ONO 10 11a 12 LCD Assembly 750 4 For Germany Gray 4
126. 816 310 IBM Mobile Systems HMM Model Unique Options Models 355x 360x 370C Basic IC DRAM CARD no parity 8MB 4MB 16MB Internal Modem Card U S Canada Latin America Telephone Cable U S Canada Latin America Telephone Wall Plug Model 370C Audio Card Basic IC DRAM CARD no parity 8MB 4MB 16MB Diskette Drive 4 mode Supported in U S only Models 750x AC Adapter 35 W 3 pin For Japan 2 pin AC Adapter 40 W 3 pin U S only AC Adapter 40 W 3 pin For Japan 2 pin Models 755C 755Cs DIMM 4MB DIMM 8MB DIMM 16MB DIMM Adapter Card Diskette Drive 4 mode Supported in U S only 84G5725 84G5724 84G5726 84G5917 84G8254 85G2367 66G5037 84G5725 84G5724 84G5726 66G5060 85G1952 85G6669 84G4320 49G2196 49G2197 84G4323 84G6545 84G4324 84G4322 66G5060 ThinkPad 355x 360x 370C 750x 755C 755Cs 311 Numeric Keypad Belgian Canadian French Danish Dutch French German Greek Hebrew Icelandic Italian Japanese Norwegian Spanish Swedish Finnish Swiss French Swiss German Turkish U K English U S English Accessories Keyboard Mouse Cable Tools 312 Tri Connector Wrap Plug PC Test Card Screwdriver Kit ThinkPad 750Ce Hardware Maintenance Diskette This diskette is common for all models of ThinkPad IBM Mobile Systems HMM 95F5741 95F5466 95F5467 95F5467 95F6313 95F6314 95F5467 95F5741 95F5467 95F6316 79F6401 95F5467 95F6315 95F546
127. 8573 121 80386 20 2M 8M 120M Model P75 486 8573 161 80486 33 8M 16M 160M 8573 401 80486 33 8M 16M 400M ThinkPad 300 2615 065 386SL 25 4M 12M 80M 2615 067 386SL 25 4M 12M 120M ThinkPad 340 2610 486SLC2 50 4M 12M 125M ThinkPad 350 2618 AOE 486SL 25 4M 20M 85M 2618 JOA 486SL 25 4M 20M 125M 2618 LOA 486SL 25 4M 20M 250M ThinkPad 350C 2618 NOA 486SL 25 4M 20M 125M 2618 POA 486SL 25 4M 20M 250M ThinkPad 355 2619 486SX 33 4M 16M 125M ThinkPad 355C 2619 486SX 33 4M 16M 125M 2619 486SX 33 4M 16M 250M ThinkPad 355Cs 2619 486SX 33 2M 16M 170M 2619 486SX 33 2M 16M 250M ThinkPad 360 2620 486SX 33 4M 16M 170M 2620 486SX 33 4M 16M 340M ThinkPad 360C 2620 486SX 33 4M 16M 170M 2620 486SX 33 4M 16M 340M ThinkPad 360Cs 2620 486SX 33 4M 16M 170M 2620 486SX 33 4M 16M 340M ThinkPad 360Ce 2620 486DX2 50 25 4M 16M 170M 2620 486DX2 50 25 4M 16M 340M 2620 486DX2 50 25 4M 16M 540M ThinkPad 360Cse 2620 486DX2 50 25 4M 16M 170M 2620 486DX2 50 25 4M 16M 340M 2620 486DX2 50 25 4M 16M 540M ThinkPad 360P 2620 486SX 33 4M 16M 170M 2620 486SX 33 4M 16M 340M ThinkPad 370C 9545 486DX4 75 25 4M 32M 340M 9545 486DX4 75 25 4M 32M 540M 9545 486DX4 75 33 4M 32M 810M ThinkPad 500 2603 081 486SLC2 50 254M 12M 80M 2603 171 486SLC2 50 254M 12M 170M ThinkPad 510 2604 486BLC2 50 254M 20M 200M ThinkPad 700 9552 300 486SLC 25 4M 16M 80M 9552 301 486SLC 25 4M 16M 120M ThinkPad 700C 9552 30B 486SLC 25 4M 16M 120M c Color T Tablet M Megabyte TPF ThinkPad File P Pen 2 Trad
128. 8M 32M 810M ThinkPad 755Cs 9545 486DX4 50 25 8M 32M 170M 9545 486DX4 50 25 8M 32M 340M 9545 486DX4 50 25 8M 32M 540M 9545 486DX4 75 25 8M 32M 170M 9545 486DX4 75 25 8M 32M 340M 9545 486DX4 75 25 8M 32M 540M ThinkPad 755Cse 9545 486DX4 100 338M 32M 340M 9545 486DX4 100 338M 32M 540M 9545 486DX4 100 338M 32M 810M ThinkPad 755CV 9545 486DX4 100 338M 32M 540M 9545 486DX4 100 338M 32M 810M ThinkPad 755CV 9545 486DX4 100 338M 32M 540M 9545 486DX4 100 338M 32M 810M c Color T Tablet M Megabyte TPF ThinkPad File P Pen Introduction 3 Drive and Diskette Compatibility Matrix The following table provides identification information for 3 5 inch drives Diskette Identifying Drive Mark 3 5 Inch 1 44MB 1 44 on the eject button 3 5 Inch 2 88MB 2 88 on the eject button The following table provides compatibility information for 3 5 inch diskettes and 3 5 inch diskette drives Diskette 1 44MB 2 88MB Capacity Drive Drive 1 0MB Read Write Read Write 2 0MB Read Write Read Write 4 0MB Not Compatible Read Write The following table provides identification information for 5 25 inch diskette drives Diskette Identifying Drive Mark 5 25 Inch 360KB External Asterisk on bezel 5 25 Inch 1 2MB Internal 1 2 on the eject button The following table provides compatibility information for 5 25 inch diskettes and 5 25 inch diskette drives Diskette 360KB 1 2MB Capacity Drive Drive 360KB R
129. Analysis Procedure Modified Color Graphics Adapter 320 x 200 x 256 Micro Channel Architecture bus structure Mega hertz millions of cycles per second Musical Instrument Digital Interface Multimedia Not Available or Not Applicable National Distribution Division Non Maskable Interrupt National Support Center Non Volatile Random Access Memory Original Equipment Manufacturer Personal Computer Memory Card International Association Programmable Option Select Physical Unit Number as in SCSI Redundant Array of Inexpensive Disks disk array models Random Access Memory read write Red Green Blue is in monitors Remote Initial Program Load Read Only Memory Sequential Access Storage Device Tape Subsystem Control Block Small Computer Systems Interface SCSI Identification Number assigned device number Software Product Description Service Representative Static Random Access Memory Super Video Graphics Array Super Twisted Nematic NDD Technical Advisor See your Marketing Representative Telecommunications Device for the Deaf Thin Film Transistor ThinkPad File Underwriters Laboratory Video Capture Adapter Video Electronics Standards Association Video Graphics Array 640x480x16 Vital Product Data Video Random Access Memory Write Once Read Many Media Extended Graphics Array 1024 x 768 x 256 Luminance Chrominance Signal Pertains to Video IBM Mobile Systems HMM Send Us Your Comments We want to know your opinion about
130. Any key operation Suspend Mode When the computer enters the suspend mode the following occurs e The LCD backlight turns off e The LCD power is powered off e The hard disk is powered off e The CPU clock is set to the lowest speed e The CPU is stopped e Inthe ThinkPad Features Program the computer can be set to Will not suspend even if LCD is closed e When the computer is powered with ac power and is used with one of the following IBM PC cards the computer will only enter the standby mode The PC card and application program remain active 3270 Emulation Credit Card Adapter 5250 Emulation Credit Card Adapter Token Ring 16 4 Credit Card Adapter Credit Card Adapter for Ethernet The following conditions prevent the computer from entering the suspend mode e While the communication link is running e When a serial mouse or external pointing device has been selected in the Config menu of the Easy Setup Events that cause the computer to enter the suspend mode e Suspend mode is requested by the Fn key Fn F4 e The LCD is closed e The keyboard is opened e The specified time has elapsed from the last operation with the keyboard mouse hard disk drive parallel connector diskette drive or the AC Adapter is plugged in The time is specified by Suspend Timer in the ThinkPad Features program e The battery condition is low The battery power indicator blinks orange e The PS2 OFF command is
131. C 750x 755C 755Cs 251 Use the following table for reference when replacing parts Step Location Quantity Length Speaker shield 2 4mm Diskette drive connector 2 6mm 5 Lower Shield 2 4mm Note Make sure you use the correct screw Note When you reinstall the upper shield make sure the LCD ground terminal is located correctly as shown in the circle 252 IBM Mobile Systems HMM 1090 Speaker Shield Assembly 1095 Interposer Card Battery Pack 1020 Diskette Drive 1030 Hard Disk Drive 1035 Keyboard Unit 1040 Status Indicator 1060 LCD Assembly 1070 Modem Card 1080 Warning Carefully remove any metal particles that might have flaked off Be careful not to damage it with a screwdrivers screws or other objects When replacing the speaker shield insert it under the projection at the left rear corner of the computer base Note The shaded part in the figure is attached to the speaker shield assembly with light adhesive This is a separate FRU from the speaker shield assembly When raising the speaker shield assembly make sure that the shield assembly does not hook the three flexible cables of the keyboard For Model 360 gently raise the speaker shield assembly to avoid damaging the speaker cable For Models 355 and 355Cs skip step E the speaker cable has already been removed ThinkPad 355x 360x 370C 750x 755C 755Cs 253 U
132. Card One beep and the message 1 Boot device Unable to access boot 2 System Board One long two short beeps and a blank or unreadable LCD 1 System Board 2 Video Card 3 LCD Assembly One long beep followed by four short beeps each time the power switch is operated System cannot power on due to low battery voltage Connect the AC Adapter or install a fully charged battery One beep every second System is shutting down due to low battery voltage Connect the AC Adapter or install a fully charged battery allows system to complete shutdown before changing the battery Two short beeps with error codes POST error See Numeric Error Codes on page 331 ThinkPad 755CD 755CDV 9545 335 Symptom Error FRU Action Two short beeps with blank screen System Board No Beep Symptoms Symptom Error FRU Action No beep power on indicator not on and a blank LCD 1 Go to Power Systems Checkout during POST on page 322 2 System Board 3 DC DC Card 4 Power sources No beep power on indicator 1 System Board on and a blank LCD during 2 DC DC Card POST 3 Processor Card No beep power on indicator 1 System Board on and a blinking cursor 2 Processor Card only during POST 3 DC DC Card No beep during POST but 1 system runs correctly Turn the volume up and check the speaker 2 Speaker DSP Card DC DC
133. Checking Installed Devices on page 157 1 Go to Intermittent Problems on page 152 150 IBM Mobile Systems HMM Infrared Related Symptoms See Infrared Transceiver Checkout on page 137 for information on the infrared transceiver and infrared transceiver checkout Audio Related Symptoms Symptom Error FRU Action any sound You cannot hear 1 In the Configuration Utility check the volume level and the settings for Audio Power and Mute Attach external speakers or headphones and check for sound e If the external speakers or headphones work replace the internal speaker e If the external speakers or headphones do not work replace the Top System Board microphone does Internal 1 not record 2 Check the application s recording source and level Attach an external microphone and check for recording e If the external microphone works replace the internal microphone e If the external microphone does not work replace the Top System Board problems Other audio thes Replace the Top System Board Peripheral Device Related Symptoms Before testing or replacing any peripheral device go into the Configuration Utility and ensure that all of the configurations are correct Also check applications to ensure that devices are configured correctly Symptom Error FRU Action External display does not work correctly 1 See External Di
134. D color e 355C 360C 360CE 8 4 inch diagonally 256 256K color TFT LCD color Diskette Drive 0 720 1 2 1 44MB 3 mode 3 5 inch Removable Hard Disk e 355x Drive 125MB 2 5 inch Removable 250MB 2 5 inch 360x 170MB 2 5 inch 340MB 2 5 inch Audio Card e Standard 360PE e Option other Model 360x Internal e Standard 355x Modem Card e Option 360x PCMCIA e 360x One Type lll or Two Type ll 355x One Type lll or Type Il 232 IBM Mobile Systems HMM Model 370C Feature Description Processor IntelDX4 75MHz on the system board Bus AT Bus Architecture e VESA Local Bus for video subsystem Memory 4MB on the system board Standard Memory e 2 4 8 16MB Basic IC DRAM card Option max 16 MB e 4 8 16MB DIMM card max 32 MB e DIMM card adapter CMOS RAM 128 Bytes VGA Video e 10 4 inch diagonally 256 256K Diskette Drive Removable colors TFT LCD color e 0 720 1 2 1 44MB 3 mode 3 5 inch Hard Disk e 340MB 2 5 inch Drive e 540MB 2 5 inch Removable e 810MB 2 5 inch Audio Card Standard in Japan and European countries PCMCIA One Type lll or two Type Il Model 750x Feature Description Processor e 750x 486SL 33MHz solder mounted on the system board e 750Ce SL Enhanced 486DX2 50MHz on the processor card Bus e AT Bus Architecture e VESA Local Bus for video subs
135. Diskette Drive Removal Strap Keyboard Security Plate TrackPoint III Cap Keyboard Assembly See Keyboards Connection Cable Microphone Modem Connector Assembly U S Modem Connector Assembly EMEA Modem Connector Assembly blank Wall Plug Modem PCMCIA Cartridge PCMCIA RF Cartridge Head Phone Interface Cable System Keyboard Interface Cable Keyboard Keypad Cable Mini DIN to Mini DIN AC Adapter 35W 3 pin For Japan 2 pin DC Plug 4 pin 2 pin EMI Spring Plate Foot right left Extension DC Cable 755CV DC Adapter Cable 755CV Strap 755CV Computer Stand 755CV Remote Control 755CV Notes The warranty for this component is provided by an outside company See the warranty sheet supplied with this component Call MindPath Technologies Inc 12700 Park Central Drive Suite 1707 Dallas Texas 75251 Tel 214 233 9296 9308 FAX IBM Mobile Systems HMM 84G6556 85G8568 85G1140 85G1500 85G8551 84G6557 66G5060 84G2269 66G5123 85G1508 84G6536 84G6559 85G1504 85G1505 84G6564 85G2367 84G1303 84G1304 85G1529 84G2531 84G2532 84G6474 85G4952 85G6669 85G6664 85G1066 84G4326 84G7466 85G7466 85G1104 85G1635 Keyboard Arabic 84G6508 Belgian 84G6506 Canadian French 84G6514 Danish 84G6505 Dutch 84G6503 French 84G6499 German Black 84G6497 Greek 84G6512 Hebrew 84G6509 Italian 84G6501 Japanese 84G6515 Latin American 84G6513 Norwegian 84G6507 Portuguese 84G6510 Spanish 84G6504 Swedish 84G6502
136. FF command is set in the Set Advanced Features program e The operating temperature is exceeded The system returns to normal operation when e The LCD is opened e PS2 ON HH MM SS command was set in the Set Advanced Features program before entering suspend mode e A Ring indicator signal on the communication interface is detected e Either button of the pointing stick is pressed You can replace the battery pack during full suspend mode Never replace the battery pack during partial suspend mode If the battery pack is replaced during suspend mode with the LCD opened close the LCD and open it again to return to normal operation ThinkPad 700 700C 720 720C 9552 81 Symptom to FRU Index The Symptom to FRU Index lists error symptoms and possible causes The most likely cause is listed first Always begin with General Checkout on page 68 This index also can be used to help you decide which FRUs to have available when servicing a computer If you cannot correct the problem using this index go to Undetermined Problem on page 93 IMPORTANT 1 If you have both an error message and an incorrect audio response diagnose the error message first 2 If you cannot run the advanced diagnostic tests but did receive a POST error message diagnose the POST error message 3 If you did not receive an error message look for a description of your error symptoms in this index 4 Check all power supply vo
137. FRU Action External display does not work correctly 1 See External Display Self Test in Common Devices Checkout section Printer problems Run Printer Self test System Board Parallel Port Device Cable PON Serial or parallel port device problems Device Device Cable System Board or ThinkPad 755CE 755CSE 755CV 755CX 9545 417 Infrared Related Symptoms Symptom Error FRU Action Unable to communicate 1 Make sure the setup using the Infrared IR Port for the IR is correct 2 Make sure there are no fluorescent lights near the computer The computer may receive electrical noise from the fluorescent light 3 Run the advanced diagnostic test If an error occurs and a FRU code is displayed replace the parts shown by the FRU code 4 For Model 755CV if the remote control is enabled the communication with the IR port is disabled Run the Mind Path Presentation F X program and set the infrared to OFF then observe the symptom Other Symptoms Symptom Error FRU Action Errors occur only when Port See Port Replicator Replicator is used Checkout in Common Devices Checkout section PCMCIA slot pin is PCMCIA Slots Assembly damaged Note If you cannot find a symptom or error in this list and the problem remains see Undetermined Problems on page 419 Intermittent Problems Intermittent system h
138. FRU that is indicated by the two leftmost digits first then replace the FRU indicated by the two rightmost digits No FRU is assigned to code 00 If only one FRU is suspected the other FRU code is filled with zeros See the referenced page before replacing the FRU FRU Code FRU Action 10 System Board 20 Memory See Memory Checkout on page 26 30 Reserved 32 External Keyboard 33 External Mouse 40 LCD Assembly 45 External CRT 50 Reseat the Diskette Drive 1 2 Diskette Drive 60 1 Reseat the Hard Disk Drive 2 Hard Disk Drive 81 Internal Modem Card if installed 90 Reserved Note The device ID and error codes are used to indicate the detail portion of the FRU which caused the error If replacing a FRU does not correct a problem see the Device ID or error code from the previous failure If they have changed the cause might be because the new FRU is defective or that the FRU was incorrectly installed If the problem remains after replacement of the FRUs go to Undetermined Problems on page 42 ThinkPad 340x IBM 2610 37 Beep Symptoms Symptom Error FRU Action Continuous beeps 1 System Board One beep and a blank unreadable or flashing LCD 1 Reseat the LCD connector See 1090 LCD Assembly on page 55 2 LCD Assembly System Board One beep and the message 1 Reseat the boot Unable to access boot device source
139. For Japan 66G4590 Base Cover Assembly 750P 66G5127 For Netherlands Belgium 66G5133 For Germany Gray 66G5130 For Japan 66G4590 19 Bezel Diskette Drive 66G5051 For Germany Gray 66G5080 20 Cover Option Bay 66G5052 For Germany Gray 66G5081 21 Standby Battery 66G3755 For Netherlands Belgium 66G3761 For Switzerland 66G3758 22 Backup Battery 66G3764 23 IC DRAM Card See options 24 Battery Pack Nickel Metal Hydride 66G2820 For Netherlands Belgium 66G2822 For Switzerland 66G2821 For Denmark Sweden Finland 66G5063 Norway 25 Diskette Drive 66G5060 Includes strap reference 26 26 Diskette Drive Removal Strap 66G5123 27 Audio Card 66G5037 28 Keyboard Lock 66G0031 28a TrackPoint Il Cap 66G6444 ThinkPad 355x 360x 370C 750x 755C 755Cs 305 Index 29 See Keyboard List 30 Leaf Spring Plate 31 Upper Cover 750 For Germany Gray Upper Cover 750C 750Cs 750Ce For Germany Gray Upper Cover 750P For Germany Gray 32 Stylus Pen 750P 5 For Germany Gray 5 Keyboard Arabic Belgian Canadian French Danish Dutch Finnish French German Black German Gray Greek Hebrew Icelandic Italian Japanese Latin American Norwegian Portuguese Spanish Swedish Swiss French Swiss German Turkish U K English U S English 5 See Digitizer Adjustment on page 205 306 IBM Mobile Systems HMM 66G0041 66G5045 66G5074 66G5094 66G5095 66G6771 66G6772 66G6695 66G6696 66G0163 66G0161 66G0169 66G01
140. G5914 Norwegian 84G5908 Portuguese 84G5911 Spanish 84G5905 Swiss French 84G5901 Swiss German 84G5899 Turkish 84G5912 U K English 84G5897 U S English 84G5896 Russian 84G8348 ThinkPad 355x 360x 370C 750x 755C 755Cs 299 Model 370C IBM Mobile Systems HMM 300 System Unit 370C Index LCD Assembly Hinge Cover Hinge Bracket Right Left Status Indicator Assembly Screw Cover Speaker Shield Assembly a Insulator Speaker Includes speaker holder Interposer Card DC DC Card PCMCIA Slot Assembly System Board Does not includes PCMCIA slot assembly index 10 lower shield index 14 or processor card index 11a 11a Processor Card 25 75 MHz Includes hex screws nut and screw cover 12 HDD Removal Strap 13 Hard Disk Drive includes strap index 12 340MB 540MB 810MB 14 Lower Shield 15 Rear Connector Cover 16 PCMCIA Cover Includes bezels and security plate 17 PCMCIA Device 17a Name Label 18 Base Cover Assembly includes coil spring insulator foot power switch knob holder latch buttons Base Cover Assembly For Benelux For Japan 19 Bezel Diskette Drive 20 Cover Option Bay 21 Blank Audio Bezel Audio Bezel Supported in Japan and European countries 22 Standby Battery For Belgium Dutch For Switzerland 23 Backup Battery 23a Attachment Holder 24 IC DRAM Card See options 25 Battery Pack Nickel Metal Hydride 26 Diskette Drive 3 mode Includes strap reference 27 27 Diskette Drive Removal Strap 2
141. G9206 Video Card 720C 53G9207 18 Cable Diskette Drive 53G9201 19 PCMCIA Card Slots 53G9190 20 Base Memory Card 4MB 53G9203 21 Slot Holder IC DRAM Card 53G9189 22 Diskette Drive Assembly 53G9200 23 Keyboard see page 121 24 Standby Battery 44G3799 For Belgian and Dutch 49G1149 For Swiss 49G2093 25 Indicator Assembly 720 53G9191 Indicator Assembly 720C 53G9192 Standoff LED 720 53G9193 Standoff LED 720C 53G9194 26 Panel Cover Groups include LED cover two screws 2 5 x 8mm left and right hinge bracket supports hinge cover end caps and hinge spacers 26 Panel Cover Group 720 53G9213 For Germany Gray 53G9195 Panel Cover Group 720C 53G9214 For Germany Gray 53G9196 PCMCIA Door 53G9199 For Germany Gray 53G9216 Speaker 07G1229 Holder Speaker 44G3786 Miscellaneous Parts Group 720 53G9197 Miscellaneous Parts Group 720C 53G9198 Parts Group includes Keyboard support bracket DC in holder battery terminal clip LCD cable clamp mouse bracket shield stud Heat Sink Assembly base cover hook bracket Screw Kit 53G7819 Includes the following 2 5 x 3mm 2 5 x 4mm 2 5 x 5mm 2 5 x 12 mm 2 5 x 16 mm 2 6 x 4 mm self tapping Foot Right Left w springs 49G2053 For Germany Gray 49G2155 AC Adapter 40 W 3 pin 49G2196 For Japan 40 W 2 pin 49G2197 Cap TrackPoint Il 54G0439 IC DRAM Card Eject Tape 53G9318 120 IBM Mobile Systems HMM Options and Adapters m Important When you repl
142. If errors were detected press the F1 key and follow the 96 IBM Mobile Systems HMM instructions on the screen to help you determine which FRU might be causing the failure Checking the Installed Devices List The Installed Devices List shows the adapters and devices installed in the computer If an adapter or a device is missing from the list one of the following conditions might be the cause Warning A customized setup configuration other than default settings might exist on the system you are servicing Running Automatic Configuration can alter the settings Note the current configuration settings using the View configuration and verify that the same settings are in place when service is complete e The protected partition on the hard disk or the Reference Diskette you are using does not contain the code required to support the device e An adapter or device is defective e The device missing from the list is not recognized as a device or adapter e The device missing from the list requires an additional diskette See the device service manual e A power supply voltage is not correct see Power Systems Checkout on page 71 If the adapter is on the list run the adapter diagnostic tests If the list contains an adapter or device that is not installed go to Undetermined Problem on page 93 Power On Password 700 700C m Important This information is not available in this HMM online format Se
143. Inch External Diskette Drive Cable 27F 4211 from system board to adapter Diskette Drive Bus Adapter 72X8524 CD ROM Drives Enhanced Internal CD ROM II Drive 61G1901 With eject button below slot Internal CD ROM Drive 81F7930 eject button above slot Terminator Kit for 81F7930 59F3530 Cleaning Kit for 81F7930 59F3562 Disks CD Caddy Internal CD ROM II Drive 92F0084 With eject button below slot Terminator Kit for 92F0084 92F0082 Media Kit for 92F0084 31F4232 no cleaning necessary Test Disk CD Caddy Signal Cable 34F0043 Power Cable 72X8521 Remote ID Switch Cable 3510 92F0086 Audio Card Cable Screws 3510 92F0085 CD Caddy 22F9419 Rail Kit 3510 34F0041 Headphones 53F3610 Copyright IBM Corp 1995 483 SCSI Adapters Terminators Cables SCSI Adapter A without Cache SCSI Internal Cable SCSI Adapter A with Cache Terminator External for 85F0063 Terminator Internal for 85F0063 Terminator Internal for 85F0002 SCSI Fast Adapter 16 bit SCSI External Cable for 92F0330 SCSI Internal Cable for 92F0330 Terminator Inline space permitting Rewritable Optical Drives 3 5 Inch Rewritable Optical Drive Rewritable Optical Cartridge Rewritable Optical Cartridge 5 Pack Drive Mounting Slide for 92F0167 Tray with Bezel for 92F0167 Objective Lens Cleaner for 92F0167 Prism Lens Cleaner for 92F0167 3 5 Inch Enhanced Rewritable Optical Drive Mounting Tray Mounting Tray Bezel Model 3510 E
144. Location Quantity Length LCD ground terminal 1 4 mm 5 LCD hinge cover right 1 4mm LCD hinge 4 4mm Note Make sure you use the correct screw m Safety Notice 5 Translation on page 11 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands immediately wash the affected areas with water for at least 15 minutes Seek medical care if any symptoms from the fluid are present after washing m Caring for the LCD When cleaning of the LCD becomes necessary gently wipe the LCD with a dry soft cloth Do not use alcohol or detergent to clean the LCD To avoid damage to the LCD do not scratch or apply any force to its surface Do not put anything on the surface of the LCD 248 IBM Mobile Systems HMM 1080 Modem Card 355x 1085 Bezel 360x e Battery Pack 1020 Diskette Drive 1030 Hard Disk Drive 1035 Keyboard Unit 1040 Status Indicator 1060 Notes 1 For Model 360x use steps J through to remove the bezel 2 When the audio card is installed in Model 360x modem card means audio card in the following step ThinkPad 355x 360x 370C 750x 755C 755Cs 249 For the modem card or For the audio card Notes 1 Gently lift the audio card in step to avoid damaging the speaker cable 2 Do not pull the speaker cable E before the audio card is removed fg 250 IBM Mobile Systems HMM ThinkPad 355x 360x 370
145. M Mobile Systems HMM 1050 IC DRAM Card or DIMM Adapter e Battery Pack 1020 e Diskette Drive 1030 Note One of the following combinations occupies the slot depending on the configuration e IC DRAM card IC DRAM card base e DIMMs on DIMM adapter If the IC DRAM Card is installed Warning The IC DRAM card is sensitive to physical shock Incorrect handling of the card can damage it The eject tape P N 53G9318 must be used to remove the card ThinkPad 755CE 755CSE 755CV 755CX 9545 431 If the DIMM Adapter is installed Press both locks at the same time and remove the DIMM 2 Reni i i TO DO TO AHAHHH TE o While holding the strap EN pull the DIMM adapter toward the front to remove it 432 IBM Mobile Systems HMM Notes 1 If the IC DRAM cards or the DIMM are not installed and the base plate is installed instead of these cards remove the plate as follows a Pinch the projection J on the left side of the plate then pull the plate slightly toward the front b Raise the rear portion of the plate and remove it 2 When inserting the DIMM into either connector on the DIMM adapter a Locate the triangle J on the right side of the socket b With the notched end of the DIMM J toward the triangle insert the DIMM into the socket c Pivot the DIMM until it snaps into place
146. MM The TrackPoint IIl does automatic compensations to adjust the pointer sensor During this process the pointer moves on the screen automatically for a short time This self acting pointer movement can occur when a slight steady pressure is applied to the TrackPoint III pointer while the computer is powered on or while the system is running or re adjustment is required because the temperature has exceeded its normal temperature range This symptom does not indicate a hardware problem No service actions are necessary if the pointer movement stops in a short period of time If a click button problem or pointing stick problem occurs do the following 1 Go to the Easy Setup screen 2 Select an item with the pointing stick 3 Press either the left or right click button 4 Verify that both buttons work correctly If either the pointing stick or the click button will not work do the following actions one at a time to correct the problem Do not replace a non defective FRU e Reseat the three keyboard cables e Replace the keyboard e Replace the interposer card e Replace the system board Diskette Drive Test Do the following to isolate the problem to a controller drive or diskette A scratch write enabled non defective 2HD diskette is required Note Make sure that the diskette does not have more than one label attached to it Multiple labels can cause damage to the drive or can cause the drive to fail Do the fo
147. Memory Card Interface Video Card Interface Backup Battery Connector Hard Disk Drive Connector Processor Card Interface Keyboard Control Card Interface Speaker Connector Voltage Converter Interface Diskette Drive Interface System Status Indicator Connector BEBERBEBooseososm E A ani Ci l E EI ID O 5 Ha Frontside EG Rear side 112 IBM Mobile Systems HMM Video Card Ol o External Display Connector H LCD Connector System Board Connector EI Communication Adapter Connector Keyboard Control Card g dll O ol Frontside L ES Irs 4 Rear side Pointing Stick Connector System Board Interface Keyboard Connector Keyboard Connector SON ThinkPad 700 700C 720 720C 9552 113 Voltage Converter jen eo ro E i i O al TE it SA A Front side a v IC E Rear side 5 Power Jack Battery Pack Interface System Board Interface Standby Battery Connector Suspend Resume Switch 114 IBM Mobile Systems HMM Parts Listing 700 115 ThinkPad 700 700C 720 720C 9552 Index 1 1
148. Pad 340x IBM 2610 61 Parts Listing IBM Mobile Systems HMM 62 System Unit Models 340 and 340CSE Index 1 LCD Assembly 340 1 LCD Assembly 340CSE 9 4 inch 10 4 inch 2 Top Cover 340 Top Cover 340CSE Keyboard Assembly See keyboard list Modem Fax Card 2400 bps Indicator Card System Board 340 System Board 25 50MHz With modem connector Without modem connector 6 System Board 33 66MHz Without modem connector 7 125MB Hard Disk Drive 200MB Hard Disk Drive 360MB Hard Disk Drive 8 Rear Connector Cover 9 Base Cover Assembly 340 For U S For Japan Base Cover Assembly 340CSE For U S Japan Note Base cover assembly includes coil spring insulator foot power switch knob holder latch buttons on DODO A 10 Shield Case 11 Battery Pack Nickel Cadmium For U S For Japan 11 Battery Pack Nickel Metal Hydride 12 Accessory Cover 13 Standby Battery For U S For Japan 14 Backup Battery Screw Kit Includes the following 10 2 5 x 4 mm 10 2 5 x 6 mm 10 2 5 x 8 mm Flat head 10 2 5 x 8 mm 10 2 5 x 16 mm 10 hex stud I O 10 hex stud bus 2 washers for hex stud bus 84G6678 85G7601 85G7602 84G6677 85G7600 84G5917 84G6662 84G6661 85G7595 85G7596 85G7598 84G6663 85G7606 85G7608 84G6676 84G6656 84G6890 84G6659 85G7612 85G7611 84G6660 84G6672 84G6671 84G6674 85G7604 84G6675 84G6668 84G6667 84G6670 84G6666 84G6764 ThinkPad 340x IBM 2610 63 DASD Ind
149. Power Systems Checkout on page 322 1 Power off the computer 2 Check the cables wires and connectors for short circuits and open circuits Visually check them for damage If any problems are found replace the FRU 3 Remove or disconnect all of the following devices a Non IBM devices b Devices attached to the expansion bus connector Printer mouse and other external devices Battery pack Hard disk drive Diskette drive or the device attached to the diskette drive connector IC DRAM card or DIMM card PC Cards Note Remember that removing the hard disk drive an IC DRAM card or any adapter or device might cause configuration errors Ignore error code 174 4 Power on the computer Determine if the problem has changed 6 If the problem does not occur again reconnect the removed devices one at a time until you find the failing FRU 7 If the problem remains replace the following FRUs one at atime Do not replace a non defective FRU e DC DC card e interposer card e LCD assembly e System board e Processor card DSL ze a ThinkPad 755CD 755CDV 9545 343 Related Service Procedures This section provides information about the following e Status Indicators e How to Run the Diagnostics on page 345 e Error Log on page 346 e Reset Pushbutton on page 346 e Checking the Installed Devices List on page 346 e Password Combinations POP HDP PAP on page 34
150. Power Systems Checkout To verify the symptom of the problem power on the computer using each of the power sources available as follows 1 Remove the battery 2 Connect the AC adapter and check that power is supplied by pressing the power switch 3 Disconnect the AC adapter and install the charged battery then check that power is supplied from the battery by pressing the power switch Note The battery is charged only while the computer is powered on the computer can be in the suspend mode The battery cannot be charged if the computer is powered off If you suspect a power problem see the appropriate power supply check listed below e Checking the AC Adapter e Checking the Battery Pack on page 136 e Checking the Standby Battery on page 137 Checking the AC Adapter Check the AC adapter if the computer fails only when the AC adapter is used or if the battery does not charge when the AC adapter is attached and the computer is on or in suspend mode e Ifthe power problem occurs only when the MultiPort Il is used replace the MultiPort II e If the power on indicator does not turn on check the AC adapter for correct continuity and installation If the connection is suspect replace the AC adapter e If the operational charge does not work go to Power Related Symptoms on page 149 Note Several types of AC adapters can be supplied with the ThinkPad 701C 701CS The procedure for checking them
151. RU Replacement Notice on page 124 LCD Assembly System Board LCD Video Card n Ni LCD slightly dims when changing to battery power 1 Normal operation Dimming of LCD conserves battery power LCD unreadable illegible or 1 LCD distorted 2 Video Card 3 System Board LCD cannot be powered on 1 Video Card or off 2 System Board 3 Voltage Converter Blank screen or extra 1 LCD horizontal or vertical lines 2 Video Card displayed on upper or lower half of the LCD with no beep or one short beep 3 System Board System status indicator is 1 System Board incorrectly blinking or stays 2 Related Device on 3 Indicator Assembly System status indicator 1 System Board stays off but the POST 2 Related Device ends without an error 3 Indicator Assembly No keys on the keyboard work See 1080 Keyboard Unit on page 54 Keypad problems 1 Keyboard Control Card Keyboard External Keyboard or Numeric Keypad if attached System Board n B Reseat cable External Keypad Keyboard Control Card System Board AON One or more keys do not work 1 See 1080 Keyboard Unit on page 54 before replacing any FRUs 2 Keyboard 3 External Keyboard or Numeric Keypad if attached 4 Keyboard Control Card 90 IBM Mobile Systems HMM Symptom Error FRU Action Mouse and Pointing Stick problems Cursor floats or moves er
152. Safety Notice 5 Translation on page 11 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands immediately wash the affected areas with water for at least 15 minutes Seek medical care if any symptoms from the fluid are present after washing ThinkPad 755CD 755CDV 9545 377 To Clean the LCD Gently wipe the LCD with a dry soft cloth Do not use alcohol or detergent to clean the LCD To avoid damaging the LCD do not scratch or apply any force to its surface 2195 LCD Rear Cover 755CDV only Slightly push out and release the latches FJ Note Do not touch the film J on the rear cover while the cover is removed from the LCD 378 IBM Mobile Systems HMM 2200 Lower Shield Assembly e CD ROM Drive 2030 Battery Pack 2020 Hard Disk Drive 2040 Keyboard Unit 2080 Status Indicator 2090 Backup Battery 2110 Standby Battery and Front IR 2100 Logic Assembly 2115 Shield Assembly 2120 Video Card or Rear IR 2125 DC DC Card 2130 DSP Card 2140 Interposer Card 2150 Processor Card 2180 System Board Assembly 2160 ThinkPad 755CD 755CDV 9545 379 2210 Memory Card CD ROM Drive 2030 Battery Pack 2020 Hard Disk Drive 2040 Keyboard Unit 2080 Status Indicator 2090 Backup Battery 2110 Standby Battery and Front IR 2100 Logic Assembly 2115 Shield Assembly 2120 Video Card or Rear IR 2125 DC DC Car
153. T Cathode Ray Tube CSD Corrective Service Diskette CGA Color Graphics Adapter See EGA VGA XGA CRC Cyclic Redundancy Check CRT Cathode Ray Tube CSA Canadian Standards Association CSD Corrective Service Diskette DASD Direct Access Storage Device hard disk diskette DMA Direct Memory Access DRAM Dynamic Random Access Memory ECA Engineering Change Announcement ECC Error Correction Code EGA Enhanced Graphics Adapter ESD Electrostatic Discharge ESDI Enhanced Small Device Interface EEPROM Electrically Erasable Programmable Read Only Memory EWS Energy Work Station FRU Field Replaceable Unit replaceable part GPIB General Purpose Interface Bus IEEE 348 GSA General Services Administration Ht Height IDE Integrated Drive Electronics IC Integrated Circuit IEEE Institute of Electrical and Electronics Engineers IEC International Electrotechnical Commission IML Initial Machine Load IPL Initial Program Load ISO International Organization for Standardization ISDN Integrated Services Digital Network Copyright IBM Corp 1995 489 Term Information LAN LBA LTB LUN MAP MCGA MCA MHz MIDI MM N A NDD NMI NSC NVRAM OEM PCMCIA POS PUN RAID RAM RGB RIPL ROM SASD SCB SCSI SCSI ID SPD SR SRAM SVGA STN T A TDD TFT TPF UL VCA VESA VGA VPD VRAM WORM XGA Y C 490 Local Area Network Local Block Address Local Transfer Bus Logical Unit Number as in SCSI Maintenance
154. THE INCOMING CALL RECEIVED Yes No If installed replace the external DAA If you do not have an external DAA installed or replacing the external DAA does not correct the problem replace the modem Common Devices Checkout 473 CONTINUED 016 Have the telephone line checked Printer Checkout 1 Make sure the printer is correctly connected and is powered on 2 Run the printer self test If the printer self test does not run correctly the problem is in the printer Refer to the printer service manual If the printer self test runs correctly do the following 1 Verify the port settings in configuration 2 Install a wrap plug on the port indicated in configuration and run the advanced diagnostic tests 3 If the advanced diagnostic tests with the wrap plug installed do not detect a failure replace the printer cable If the problem is not corrected replace the system board 474 IBM Mobile Systems HMM Port Replicator Checkout Use the following procedure to isolate a port replicator problem A port replicator attaches to the system expansion connector at the rear of the computer 1 Power off the computer 2 Remove the failing devices from the replicator 3 Unplug the AC adapter from the replicator if attached 4 Remove the port replicator from the computer 5 Reconnect the failing device directly to the computer If another device occupies the connector remove it fi
155. Thank you for purchasing this Factory Service Manual CD DVD from servicemanuals4u com Please check out our eBay auctions for more great deals on Factory Service Manuals servicemanuals4 IBM Mobile Systems Hardware Maintenance Manual Volume 2 ThinkPad Computers April 1995 We Want Your Comments Please see page 491 This Manual Supports ThinkPad 340x 2610 ThinkPad 355x 2619 ThinkPad 360x 2620 ThinkPad 370x 9545 ThinkPad 700x 9552 ThinkPad 701x 2630 ThinkPad 720x 9552 ThinkPad 750x 9545 ThinkPad 755x 9545 S82G 1502 03 IBM Mobile Systems 82G 1502 03 Hardware Maintenance Manual Volume 2 ThinkPad Computers April 1995 We Want Your Comments Please see page 491 Note Before using this information and the product it supports be sure to read the general information under Notices on page 497 Fourth Edition April 1995 The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with local law INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some states do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you This publication could include technica
156. Vdc the charging circuit is working correctly replace the battery pack Checking the Backup Battery 1 2 3 Power off the computer and unplug the AC Adapter from the computer Remove the backup battery Measure the voltage of the backup battery See the following figure ThinkPad 340x IBM 2610 31 Wire Voltage V dc Red 2 9 to 3 3 Black Ground e If the voltage is correct replace the system board e If the voltage is not correct the backup battery has been discharged Replace the backup battery e If the backup battery discharges quickly after replacement replace the system board Checking the Standby Battery Be careful not to cause a short circuit when measuring the voltage 1 Power off the computer and unplug the AC Adapter from the computer 2 Remove the standby battery 3 Measure the voltage of the standby battery e If the voltage between red and black is 3 5 V dc or greater the voltage is correct Go to Step 9 on page 33 to verify standby battery operation e If the voltage is less than 3 5 V dc go to the next step 4 Plug the AC Adapter into the computer and power on the computer 5 Measure the output voltage at the connector on the system board 32 IBM Mobile Systems HMM Black Pin Voltage V dc 4 0 i Ground e Ifthe voltage is less than 4 0 V dc replace the system board If the voltage is more than 4 0 V dc power off the compu
157. Wea a oe Parns l istingi oes sige ine ee Shae ee Se eae a ThinkPad 355x 360x 370C 750x 755C 755Cs Read This First oaoa aa General Checkout Symptom to FRU Index Related Service Procedures Product Overview 04 FRU Removals and Replacements Removals Models 355x 360x 2 Removals Models 370C 750x 755C 755Cs Locations Lul ie a a ParntsiListingn cerano Patel iena ThinkPad 755CD 755CDV 9545 General Checkout Copyright IBM Corp 1995 Symptom to FRU Index Related Service Procedures Product Overview FRU Removals and Replacements Locations 2 204 Parts Listing scio bY Re ee ee ea ThinkPad 755CE 755CSE 755CV 755CX 9545 General Checkout Symptom to FRU Index Related Service Procedures Product Overview 04 FRU Removals and Replacements Locations ti la Parnts LIsting teen e Common Devices Checkout External Diskette Drive Test External Display Self Test External Keyboard Auxiliary Input Device Checkout Fax Modem Checkout 2 Printer Checkout 24 Port Replicator Checkout 2 2 2 TrackPoint Il Checkout TVTUNER Pane ae Se Bee E i Common Parts Listing Miscellaneous Information
158. able Screwdriver Kit IBM Mobile Systems HMM 95F5741 95F5466 95F5467 95F5467 95F6313 95F6314 95F5467 95F5741 95F5467 95F6316 79F6401 95F5467 95F6315 95F5468 95F5711 95F5715 95F5467 95F5741 95F5741 72X8546 35G4703 66G5180 95F3598 Power Cords 35 Warning Use the power cord certified for your country 1 OnNOoa hWD Colombia U S Venezuela Japan 2 pin Japan 3 pin Hong Kong Singapore U K France Germany Spain Italy Australia New Zealand Denmark Israel Bangladesh Pakistan Sri Lanka South Africa Switzerland Thailand 13F9959 6454377 65F0031 14F0033 13F9979 14F0069 13F9940 13F9997 14F0087 14F0015 14F0051 1838574 ThinkPad 700 700C 720 720C 9552 123 FRU Service Procedures Review these service procedures before replacing a FRU LCD FRU Replacement Notice If missing or discolored dots appear on the LCD carefully read the following note to determine whether or not you should replace the LCD The LCD for the Model 700C and 720C contains over 921 000 thin film transistors TFTs A small number of missing discolored or lighted dots on all the time is characteristic of TFT LCD technology Excessive pixel problems can cause viewing concerns The LCD should be replaced if the number of missing discolored or lighted dots in any background is 21 or more Hinges on the color LCD are part of the FRU and are returned with the FRU 700 720 Mono LCD FRU Rep
159. ace the AC adapter or the Quick Charger with a new one use the one available for the country you are in even though the system is from another country Options and Adapters AC Adapter 50 W 48G8942 AC Adapter for Japan 3 pin 49G2206 Car Battery Adapter 49G1148 Keyboard Mouse Cable 54G0444 IBM ThinkPad Port Replicator 53G9710 IBM IC DRAM Memory Card 2MB 07G1414 IBM IC DRAM Memory Card 4MB 07G1415 IBM IC DRAM Memory Card 8MB 07G1416 Miniature Mouse 95F5723 NiMH Battery with Indicator 53G9166 Quick Charger 49G1110 Quick Charger for Japan 2 pin 49G1111 Keyboards w Trackpoint II 700 700C 720 720C Arabic 48G9249 Belgian 48G9238 Canadian French 48G9230 Danish 48G9243 Dutch 48G9247 Finnish 48G9241 French AZERTY 48G9235 German Gray 48G9236 Greek 48G9252 Hebrew 48G9251 Icelandic 48G9250 Italian 48G9237 Japanese 44G3796 Norwegian 48G9240 Portuguese 48G9246 Spanish 48G9239 Spanish Speaking 48G9231 Swedish Finnish 48G9241 Swiss French 48G9244 Swiss German 48G9245 Turkish 48G9248 U K 44G3795 U S and European Countries 44G3794 Pointing Stick Caps 3 54G0439 ThinkPad 700 700C 720 720C 9552 121 Numeric Keypad 700 700C 720 720C Belgian Canadian French Danish Dutch French German Greek Hebrew Icelandic Italian Japan Norwegian Spanish Swedish Finnish Swiss French Swiss German Turkish U K English U S English Tools 122 Tri Connector Wrap Plug PC Test Card Audio Wrap C
160. ace the system board The following auxiliary input devices are supported for this computer e Numeric keypad e Mouse PS 2 compatible e External keyboard with keyboard mouse cable If any of the above devices do not work reseat the cable connector and repeat the failing operation If the problem does not occur again recheck the connector If the problem is not corrected replace the device and then the system board TrackPoint III Checkout If the TrackPoint III will not work check the configuration in the Easy Setup by selecting Keyboard from the Config menu If the configuration of the TrackPoint III is disabled select Enable to enable it If this does not correct the TrackPoint III problem continue with the following The TrackPoint III does automatic compensations to adjust the pointer sensor During this process the pointer moves 320 IBM Mobile Systems HMM on the screen automatically for a short time This self acting pointer movement can occur when a slight steady pressure is applied to the TrackPoint III pointer while the computer is powered on or while the system is running or re adjustment is required because the temperature has exceeded its normal temperature range This symptom does not indicate a hardware problem No service actions are necessary if the pointer movement stops in a short period of time If a click button problem or pointing stick problem occurs do the following 1 Go to the Easy
161. ailable as follows 1 Remove the battery pack 2 Connect the AC Adapter and check that power is supplied 3 Disconnect the AC Adapter and install the charged battery pack then check that power is supplied by battery pack If you suspect a power problem see the appropriate power supply check listed below e Checking the AC Adapter e Checking the Battery Pack on page 30 e Checking the Backup Battery on page 31 e Checking the Standby Battery on page 32 Checking the AC Adapter You are here because the computer fails only when the AC Adapter is used If the power on indicator does not turn on check the power cord of the AC Adapter for correct continuity and installation 1 Unplug the AC Adapter cable from the computer and measure the output voltage at the plug of the AC Adapter cable See the following figure ThinkPad 340x IBM 2610 29 AC Adapter 30W 40W gt 4 Voltage V dc eee i AC Adapter 35W Pin Voltage V dc 1 15 5 to 17 0 2 Return e If the voltage is correct replace the system board If the problem is not corrected go to Undetermined Problems on page 42 e If the voltage is not correct go to the next step 2 Unplug the AC Adapter cable from the ac power outlet and wait five minutes or longer to allow the protection circuit to be fully discharged and initialized Plug the AC Adapter cable into the ac power outl
162. ame as PAP 422 IBM Mobile Systems HMM How to Run the Low Level Format Do the following to format the hard disk Note Make sure the drive address to be formatted is correct This procedure will erase all information on the disk 1 Power off the computer 2 Insert the ThinkPad 755Ce hardware maintenance diskette into diskette drive A and power on the computer You can use this maintenance diskette for all ThinkPad models 3 Select Format the hard disk from the main menu 4 Select the drive from the menu 5 Follow the instructions on the screen PC Test Card LED The green LED on the PC test card turns on when the PCMCIA test is running If the LED does not turn on check that the card is installed correctly by reseating the card If it still does not turn on after it is reseated try using another slot for the test If the LED still does not turn on and the test fails replace the FRU shown in the diagnostic error code Fn Key Combinations The following table shows the Fn key and function key combinations and their corresponding functions The Fn key works independently from the operating system The operating system obtains the status through the system management interface to control the system Fn Description F1 Reserved F2 Fuel gauge display ON OFF F3 Standby mode invocation F4 Suspend mode invocation F5 Audio volume Down F6 Audio volume UP F7 LCD CRT display swi
163. ang problems can be caused by a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors FRUs replacement should only be considered when a recurring problems exits When analyzing the intermittent problem do the following 1 Run the advanced diagnostic test for the system board in loop mode at least 10 times 2 If no error is detected do not replace any FRUs 418 IBM Mobile Systems HMM 3 If any error is detected replace the FRU shown by the FRU code Rerun the test to verify that no more errors exist Undetermined Problems You are here because the diagnostic tests did not identify which adapter or device failed installed devices are incorrect a short circuit is suspected or the system is inoperative Follow the procedures below to isolate the failing FRU do not isolate non defective FRUs Verify that all attached devices are supported by the computers Verify that the power supply being used at the time of the failure is operating correctly See Power Systems Checkout on page 398 1 Power off the computer 2 Check the cables wires and connectors for short circuits and open circuits Visually check them for damage If any problems are found replace the FRU 3 Remove or disconnect all of the following devices a Non IBM devices b Devices attached to the expansion bus connector Printer mouse and other external devices
164. arranty sheet supplied with this component Call MindPath Technologies Inc 12700 Park Central Drive Suite 1707 Dallas Texas 75251 Tel 214 233 9296 9308 FAX ThinkPad 755CD 755CDV 9545 385 Keyboard Arabic Belgian Canadian French Danish Dutch French German Black Greek Hebrew Italian Japanese Latin American Norwegian Portuguese Spanish Swedish Swiss French Swiss German Turkish U K English U S English Common Option Parts List Miscellaneous Parts Miscellaneous Parts Kit Includes modem guide DC in holder spacer for video card bracket for s card holder for s card modem lever TV tuner label Screw Kit Includes 20 2 5 x 6 mm 10 2 5 x 4 mm 20 2 5 x 8 mm 10 2 5 nut 10 hex stud bus 10 washer bus 10 spring lock washers 10 2 5 x 8 mm flat head 10 2 6 x 5 mm deform screw IC DRAM CARD Eject Tape DAA Assembly 386 Austria Australia Belgium Denmark Finland France Germany Korea Malaysia Netherlands Norway New Zealand PRC Hong Kong Singapore Sweden Switzerland Taiwan Thailand U K IBM Mobile Systems HMM 84G6508 84G6506 84G6514 84G6505 84G6503 84G6499 84G6497 84G6512 84G6509 84G6501 84G6515 84G6513 84G6507 84G6510 84G6504 84G6502 84G6500 84G6498 84G6511 84G6496 84G6495 85G1933 85G1935 53G9318 59G1041 59G1040 43G3414 59G1042 59G1043 4525652 59G1056 66X2096 59G1066 43G3409 59G1044 43G3411 54F0693 66X2096 54F0717 59G105
165. asy Setup screen and press Fn 4 If the computer enters suspend mode suspect that the application program is defective 3 System Board The system will not suspend or resume by opening or closing the LCD 1 Go to Suspend Mode on page 34 and that check that the computer can enter suspend mode 2 Go to the Easy Setup screen and press Fn 4 If the computer enters suspend mode suspect that the application program is defective 3 System Board Battery Fuel Gauge does not go higher than 90 1 Go to Checking the Battery Pack on page 30 and see the note Modem problems If installed 1 Run the Internal Modem Test 2 Check that the port is set to enable in Easy Setup 3 Check that the port power is switched on by PS2 EXE 4 Modem Card if installed Memory count size appears differently from actual size 1 Go to Memory Checkout on page 26 System configuration does not match the installed devices 1 Go to Checking the Installed Devices List on page 46 System hangs intermittently 1 Go to Intermittent Problems on page 42 ThinkPad 340x IBM 2610 41 Peripheral Device Related Symptoms Symptom Error FRU Action External display does not 1 See External Display work correctly Self Test in the Common Devices Checkout section Printer problems 1 Run Printer Self test 2 System B
166. at Perform the following steps to format the hard disk Warning All data and formatting on the disk will be destroyed and cannot be recovered Have the user make a backup copy of all information on the hard disk that should be saved Make sure that a bootable diskette is available Make sure that the drive address to be formatted is correct Use either the TrackPoint Ill or the cursor movement keys to interact with the tests When asked for an OK response press Enter or select the OK button 1 Power off the computer and then power it on again 2 Press the F1 key any time while the POST memory count is proceeding When the memory test is completed the Easy Setup screen appears 3 Select Test and press Enter Press Ctrl A to enter advanced diagnostics 5 Press Ctrl F The Format icon appears at the top of the advanced diagnostics screen 6 Select the Format icon and press Enter 7 Select the hard disk to be formatted and press Enter 8 A confirmation screen appears showing the number of cylinders heads and sectors on the hard disk 9 Press Esc to exit the low level format screen without formatting the hard disk 10 Press Enter to begin the low level format of the hard disk When the low level format is completed the advanced diagnostics screen is displayed 11 When you restart the computer a graphic message is displayed at the end of POST requesting that you insert a bootable diskette into the diskette drive
167. atch the removal strap into the correct position 354 IBM Mobile Systems HMM 2050 IC DRAM Card or DIMM Adapter e CD ROM Drive 2030 e Battery Pack 2020 Note One of the following combinations occupies the slot depending on the configuration e IC DRAM card IC DRAM card base e DIMMs on DIMM adapter If the IC DRAM Card is installed Warning The IC DRAM card is sensitive to physical shock Incorrect handling of the card can damage it The eject tape P N 53G9318 must be used to remove the card ThinkPad 755CD 755CDV 9545 355 If the DIMM Adapter is installed Press both locks at the same time and remove the DIMM Cia i i TO DO TO TT MAI TE o Ls 4 ey N Ti While holding the strap EN pull the DIMM adapter toward the front to remove it 356 IBM Mobile Systems HMM Notes 1 If the IC DRAM cards or the DIMM are not installed and the base plate is installed instead of these cards remove the plate as follows a Pinch the projection J on the left side of the plate then pull the plate slightly toward the front b Raise the rear portion of the plate and remove it 2 When inserting the DIMM into either connector on the DIMM adapter a Locate the triangle J on the right side of the socket b With the notched end of the DIMM J toward the triangle insert the DIMM int
168. atures Feature Description Processor 700 486SLC 25 MHz 700C 102 IBM Mobile Systems HMM Feature Description Processor 720 720C 486SLC 25 50 MHz Bus Architecture Micro Channel Memory 4MB Standard Memory 16MB IC DRAM Maximum CMOS RAM 8KB Video VGA Diskette Drive 3 5 inch Hard Drive e 80MB 2 5 inch e 120MB 2 5 inch e 160MB 2 5 inch Audio Yes Standard Subsystem PCMCIA 720 One Type lll 720C only or Two Type ll ThinkPad 700 700C 720 720C 9552 103 FRU Removals and Replacements Follow the numerical sequence in the FRU removal sequence list and in the exploded view to remove or disconnect parts in the correct order The letters in parentheses in the list indicate screw types See the Screw Size Chart on page 20 to match the letters to the correct screw type and size before replacing each screw m Safety Notice 8 Translation on page 13 Before removing any FRU power off the computer unplug all power cords from electrical outlets remove the battery pack then disconnect any interconnecting cables DD Battery Pack Press down and pull out LED Indicator Cover Insert front first then press rear down Video Connector Video Power Hinge Covers Install with bevelled edge at front Two Screws C One at each end Four Screws S Two at each end LED Indicator Assembly W
169. battery condition Event that causes exiting of hibernation mode e The power on switch is operated When power is turned on the hibernation history of the boot record on the hard disk is recognized and system status is restored from the hard disk to resume operation Port Replicator Power Overload If power shut downs occur intermittently when using PCMCIA 2 devices via a port replicator suspect an over current problem Some PCMCIA devices use more power if the maximum usage of each device occurs simultaneously the total current will exceed the limit thereby causing a power shut down Isolate this problem by removing one of the devices and use the computer under the same condition to see whether a power shut down occurs Do this procedure for all devices then determine the cause Use of the larger AC Adapter 50W optional is recommended if one is not yet in use ThinkPad 355x 360x 370C 750x 755C 755Cs 215 Symptom to FRU Index The Symptom to FRU Index lists the symptoms and errors and the possible causes The most likely cause is listed first Note Perform the FRU replacement or actions in the sequence shown in the FRU Action columns If a FRU did not solve the problem put the original part back in the computer This index can also be used to help you decide which FRUs to have available when servicing a computer Numeric error codes show the errors detected in POST or system operation In the following
170. be sure to read this section Be extremely careful during write operations such as copying saving or formatting Drives in the computer that you are servicing might have been rearranged or the drive startup sequence might have been altered If you select an incorrect drive data or programs can be written over e Replace FRUs only for the correct model When you replace the FRU make sure the model of the machine and FRU part number are correct by referring to the part list e FRUs should not be replaced because of a single un reproducible failure Single failures can occur from a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors FRU replacement should only be considered when a recurring problem exists If this is suspected clear the error log and run the test again Do not replace any FRUs if log errors do not reappear The servicer must include the following in the parts exchange form or part return form that is attached to the returned FRU 1 Name and phone number of servicer ___ 2 Date of service 3 Date when part failed _ 4 Date of purchase ____5 Failure symptoms error codes appearing on display and beep symptoms 6 Procedure index and page number in which failing FRU was detected 7 Failing FRU name and part number Machine type model number and serial number 9 Customer s name and address o Th
171. black square Note When a Fn key is pressed the black square briefly appears ThinkPad 355x 360x 370C 750x 755C 755Cs 203 If the tests detect a keyboard problem do the following one at a time to correct the problem Do not replace a non defective FRU e Reseat the three cables e Replace the keyboard e Replace the interposer card e Replace the system board The following auxiliary input devices are supported for this computer e Numeric keypad e Mouse PS 2 compatible e External keyboard with keyboard mouse cable If any of the above devices do not work reseat the cable connector and repeat the failing operation If the problem does not occur again recheck the connector If the problem is not corrected replace the device and then the system board TrackPoint Il checkout If the TrackPoint II will not work check the configuration in Easy Setup by selecting Keyboard from the Config menu If the configuration of the TrackPoint II disabled select TrackPoint to enable it If this does not correct the TrackPoint Il problem continue with the following The TrackPoint Il does automatic compensations to adjust the pointer sensor During this process the pointer moves on the screen automatically for a short time This self acting pointer movement can occur when a slight steady pressure is applied to the TrackPoint Il pointer while the computer is powered on or while the system is running or re adjustment
172. ble to the connectors on the bottom system board by inserting the flat ends of the cable Then push in the small sliding latch under each cable to secure the cable in the connector Do not bend or fold the LCD cable Press on the loop of cable around the sleeve to insert the cable ends into the connectors Pull the ferrite core forward on the cable until the core touches the connectors and it can be pressed down flat on top of the bottom system board ThinkPad 701C 701CS 2630 175 Routing the Backlight Cable Brown wire H Yellow wire Warning Incorrect routing of the backlight cable may cause it to break after repeated opening and closing of the computer lid Routing the cable correctly is important to prevent this breakage To route the backlight cable follow these steps 1 Plug the LCD backlight cable into the inverter card Do not twist the wires 2 Position the brown wire behind the connector so that after it exits the connector housing it goes down between the inverter card and back wall of the base cover lt must be outside of the inverter insulator 3 Loop the brown wire toward the LEDs and over the top of the connector 176 IBM Mobile Systems HMM Backlight cable routing from the rear shown without the computer lid Brown wire H Yellow wire 4 Route the yellow wire in the same manner as the brown wire Position the yellow wire beside the brown wire where it runs over the connector on the side
173. blem see the appropriate power supply check listed below e Checking the AC Adapter e Checking Operational Charging on page 323 e Checking the Battery Pack on page 324 e Checking the Car Battery Adapter on page 326 e Checking the Backup Battery on page 326 e Checking the Standby Battery on page 327 e Port Replicator Power Overload on page 330 Checking the AC Adapter You are here because the computer fails only when the AC Adapter is used e Ifthe power problem occurs only when the port replicator is used replace the replicator e If the power on indicator does not turn on check the power cord of the AC Adapter for correct continuity and installation 322 IBM Mobile Systems HMM e If the operational charge does not work go to Checking Operational Charging on page 323 Note There are several types of adapters The procedure for checking both types is the same 1 Unplug the AC Adapter cable from the computer and measure the output voltage at the plug of the AC Adapter cable See the following figure x 2 4 AC Adapter 40W Pin Voltage V dc 1 18 0 to 21 0 2 Ground AC Adapter 35W Pin Voltage V dc 1 16 0 1 0 0 5 2 Ground e If the voltage is correct replace the system board If the problem is not corrected go to Undetermined Problems on page 343 e If the voltage is not correct go to the next step 2 Unpl
174. bling the LCD Assembly on page 172 for instructions on FRU removals and replacements for the LCD assembly See Replacing the LCD Assembly on page 175 for instructions on replacing the LCD assembly Removing Top System Board and Inverter Card Remove the top system board and the attached standby battery and inverter card shown in the figure on page 164 Reuse the rubber spacers Separate the metal spacers between the top and bottom system boards Gently pull up the front of the top system board and insert a tool at the slot located near the battery connector Press down with the tool and gently pry up to detach the top system board from the bottom system board Replacement See Replacing the Top System Board on page 178 for information about replacing the top system board m Safety Notice 3 Translation on page 9 The battery pack contains small amounts of nickel Do not disassemble it throw it into fire or water or short circuit it Dispose of the battery pack as required by local ordinances or regulations Use only the battery in the appropriate parts listing when replacing the battery pack Use of an incorrect battery can result in ignition or explosion of the battery EA Removethe standby battery shown in the figure on page 164 Replacement When you replace the standby ThinkPad 701C 701CS 2630 169 battery fold the cable and place the standby battery in the space beside the battery pack connec
175. by battery and go to the next step 7 Ensure that the AC Adapter is plugged into the computer then power on the computer 8 Charging of the standby battery starts A depleted battery needs approximately 30 minutes to be recharged to the operational voltage of 3 5 V dc 9 Unplug the AC Adapter 10 Verify the standby battery function by removing and installing the battery pack during suspend mode 404 IBM Mobile Systems HMM Note Removing and installing the battery pack during suspend mode should be done within one minute The resume operation must start If the resume operation does not work switching of power from the battery pack to standby battery will not be correct Replace the DC DC card If replacing the DC DC card does not resolve the problem replace the system board Power Management Features Three power management modes are provided by the computer to save power consumption and prolong battery power Standby Mode When in standby mode the following occurs e The LCD backlight turns off e The hard disk motor stops Events that cause the computer to enter the standby mode e Standby requested by the Fn key Fn F3 e No activity under auto standby enabled by the feature utility Events that cause the computer to exit the standby mode resume e Any key operation Suspend Mode When in suspend mode the following occur e The LCD backlight turns off e The LCD power is powered off e The
176. cations for internal cable connections and arrangement information e When replacing a FRU use the correct screw size as shown in the procedures m Safety Notice 8 Translation on page 13 Before removing any FRU power off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any interconnecting cables r_ Safety Notice 3 Translation on page 9 The battery pack contains small amounts of nickel Do not disassemble it throw it into fire or water or short circuit it Dispose of the battery pack as required by local ordinances or regulations r_ Safety Notice 1 Translation on page 7 Before the computer is powered on after FRU replacement make sure all screws springs or other small parts are in place and are not left loose inside the computer Verify this by shaking the computer and listening for rattling sounds Metallic parts or metal flakes can cause electrical short circuits 350 IBM Mobile Systems HMM 2010 Rear Connector Door Remove the center latch then remove the rear connector door by flexing it H 2015 Foot To replace the foot e Align the foot in the open position with one pivot in its hinge in the base cover e Press the other pivot point into position with your thumb or finger Foot FRU P N84G4326 Base Cover DC In 20V ThinkPad 755CD 755CDV 9545 351 2020 Battery Pack CD ROM Drive 2030 Notes 1
177. cement FRU did not solve the problem put the original FRU back in the computer Notes 1 Before replacing the top and bottom system boards try reseating the boards If reseating the boards does not correct the problem replace the boards 2 If possible install the latest level of BIOS available before replacing any FRU Before completely reassembling a computer that has been repaired try to reboot the computer to check the repairs that have been completed However when you reboot without the keyboard attached the computer will display error codes 8603 8613 and 86XX Use displayed numeric error codes to determine the system problem If numeric error codes are not available use the other symptom tables that describe specific symptoms If the symptom is not listed go to Undetermined Problems on page 152 m Note For IBM devices not supported by diagnostics codes of ThinkPad 701C 701CS see the manual for those devices ThinkPad 701C 701CS 2630 141 Numeric Error Codes Numeric error codes show the errors detected in POST or system operation Use the error codes displayed on the screen to diagnose failures If more than one error code is displayed begin the diagnosis with the first error code The cause of the first error code can result in false error codes being displayed In the following error codes X can be any number Symptom Error FRU Action 02X 101 107 1 Battery
178. con contacto a tierra puede producir la corriente suficiente como para quemar material combustible o provocar quemaduras en el personal 12 IBM Mobile Systems HMM m Safety Notice 8 Before removing any FRU power off the computer unplug all power cords from electrical outlets remove the battery pack then disconnect any interconnecting cables Avant de retirer une unit remplagable en client le mettez le syst me hors tension d branchez tous les cordons d alimentation des socles de prise de courant retirez la batterie et d connectez tous les cordons d interface Die Stromzufuhr muB abgeschaltet alle Stromkabel aus der Steckdose gezogen der Akku entfernt und alle Verbindungskabel abgenommen sein bevor eine FRU entfernt wird Prima di rimuovere qualsiasi FRU spegnere il sistema scollegare dalle prese elettriche tutti i cavi di alimentazione rimuovere la batteria e poi scollegare i cavi di interconnessione Antes de quitar una FRU apague el sistema desenchufe todos los cables de las tomas de corriente el ctrica quite la bater a y a continuaci n desconecte cualquier cable de conexi n entre dispositivos Introduction 13 Safety Information The following section contains the safety information that you need to be familiar with before servicing an IBM mobile computer General Safety Follow these rules to ensure general safety 14 Observe good housekeeping in the area of the
179. ctly 1 Reseat the status indicator cable Status Indicator Interposer Card System Board RON Battery power status indicator blinks from green yellow to orange Check that a correct battery is installed 2 Set the battery storage switch to ON Battery Pack 4 DC DC Card 5 System Board Lal Power Related Symptoms Symptom Error FRU Action Power shut down during operation 1 Go to Power Systems Checkout on page 322 2 Battery Pack 3 Remove the battery pack and let it cool for two hours 4 DC DC Card 5 Power sources The system will not power off See Reset Pushbutton on page 346 1 Press the Reset pushbutton 2 System Board ThinkPad 755CD 755CDV 9545 339 Function Audio Related Symptoms Symptom Error FRU Action The system will not suspend or resume by opening or closing the keyboard 1 Go to Suspend Mode on page 329 and check that the computer can enter suspend mode DC DC Card Video Card System Board PO The system will not suspend or resume by opening or closing the LCD 1 Go to Suspend Mode on page 329 and that check that the computer can enter suspend mode 2 Top Cover 3 DC DC Card 4 System Board Battery Fuel Gauge does not go higher than 90 Go to Checking the Battery Pack on page 324 and see the note Memory count size appears differe
180. d 2130 DSP Card 2140 Interposer Card 2150 Processor Card 2180 System Board Assembly 2160 Lower Shield Assembly 2200 Note If the computer does not complete POST after changing the memory card reseat the card and try again 380 IBM Mobile Systems HMM Locations Front View A O H g H O LCD Built in Microphone Brightness Control Status Indicator See Status Indicators on page 344 External Input Device Connector Video In Port Video Out Port PCMCIA Slot Keyboard LCD and Keyboard Latch Click Button CD ROM Drive Front Infrared Port Fn Key TrackPoint III Volume Knob Built in Speaker ThinkPad 755CD 755CDV 9545 381 Rear View Telephony Jack Microphone Line In Jack Headphone Jack Power Switch Power Jack Serial Connector Parallel Connector External Display Connector Reset Switch Game Port System Expansion Connector BESONOOSENS A multimedia portable expansion unit port replicator or port replicator with PCMCIA can be connected to this interface to support the following features e 16 bit AT bus interface e Serial port e Parallel port e Keyboard and mouse e HDD connection e LED control signals e Visual signals e Audio signals e FDD signals e PCMCIA signals e Power controls e Power line Rear Infrared Port 382 IBM Mobile Systems HMM Parts Listing 383 ThinkPad 755CD 755CDV 9545 System Unit 755CD 755CDV Index Component 1
181. d Devices Installed devices are displayed as dark icons on the diagnostics screen All other devices are displayed with gray icons If a device is installed but the icon appears gray rather than dark the device is defective Reseat the device connectors and then restart diagnostics If the symptom remains replace the device or the system board If needed adjust the contrast control to clearly distinguish the shades of the icon If a device that is not installed appears in a dark shade for example if HDD 2 appears in a dark shade when a second hard disk drive is not installed perform the following steps 1 Replace the first device such as HDD 1 2 If the problem persists replace the relevant system board The PCMCIA System Board Display and infrared transceiver icons are always displayed in a dark shade because the icons represent subsystems of the system board and not attached devices The parallel port icon is dark except when the diskette drive is attached to the parallel port in that case the FDD icon is dark and the parallel port icon is gray Icons for devices attached through the MultiPort Il are dark when the devices are attached and are gray when the devices are removed from the MultiPort Il The HDD 1 icon represents the first drive in the system configuration Similarly the HDD 2 icon represents the second drive attached to the docking station ThinkPad 701C 701CS 2630 157 Running the Low Level Form
182. d like a catalog of the IBM PC Company Hardware Technical Reference library Name Address City State Zip 492 IBM Mobile Systems HMM Problem Determination Tips Due to the variety of hardware and software combinations that can be encountered use the following information to assist you in problem determination If possible have this information available when requesting assistance from Service Support and Engineering functions e Machine type and model e Processor or hard disk upgrades e Failure symptom Do diagnostics fail What when where single or multiple systems ls the failure repeatable Has this configuration ever worked If it has been working what changes were made prior to it failing ls this the original reported failure e Reference Diskette Version Type and revision level e Hardware configuration Print out print screen configuration from Reference Diskette currently in use BIOS level e Operating system software Type and revision level m Important To eliminate confusion identical systems are considered identical only if they 1 Are the exact machine type and models 2 Have the same BIOS level 3 Have the same adapters attachments in the same locations 4 Have the same address jumpers terminators cabling 5 Have the same software versions and levels 6 Have the same Reference Diskette version 7 Have the same configuration options set in
183. d page before replacing the FRU FRU Code FRU Action 10 System Board 11 Processor Card 16 DSP Card 17 Front IR unit 18 Rear IR unit 20 Memory See Memory Checkout on page 317 30 Reserved 32 External Keyboard 33 External Mouse 40 LCD Assembly 41 Video Card 45 External CRT 50 1 Reseat the Drive FDD 1 2 Diskette Drive FDD 1 334 IBM Mobile Systems HMM FRU Code FRU Action 51 1 Reseat the Drive FDD 2 2 Diskette Drive FDD 2 60 1 Reseat the Hard Disk Drive HDD 1 2 Hard Disk Drive HDD 1 61 1 Reseat the Hard Disk Drive HDD 2 2 Hard Disk Drive HDD 2 70 PCMCIA 2 Replicator 71 PCMCIA under CD ROM drive 80 Cellular Modem 90 CD ROM Drive Note The device ID and error codes are used to indicate the detail portion of the FRU which caused the error If replacing a FRU does not correct a problem see the Device ID or error code from the previous failure If they have changed the cause might be because the new FRU is defective or that the FRU was incorrectly installed If the problem remains after replacement of the FRUs go to Undetermined Problems on page 343 Beep Symptoms Symptom Error FRU Action Continuous beeps System Board One beep and a blank 1 Reseat all LCD source unreadable or flashing connectors LCD 2 LCD Assembly 3 Video Card 4 System Board 5 DC DC
184. d with one of the following IBM PC cards the computer enters standby mode the PC card and application program remain active e 3270 Emulation Credit Card Adapter e 5250 Emulation Credit Card Adapter e Token Ring 16 4 Credit Card Adapter e Credit Card Adapter for Ethernet 3 During the following conditions the computer cannot enter suspend mode e While the communication link is running e When a serial mouse or other pointing device are selected in the Config menu of Easy Setup Symptom to FRU Index The Symptom to FRU Index lists the symptoms errors and possible causes It can be used to help you decide which FRUs to have available when servicing the computer The most likely cause is listed first Perform the FRU replacement or actions in the sequence shown in the FRU Action column If a FRU does not solve the problem put the original part back in the computer and perform the next action Numeric error codes show the errors detected in POST or system operation In the following error codes X can be any number If no codes are available use narrative symptoms If the symptom is not listed go to Undetermined Problems on page 42 Note For IBM devices not supported by diagnostic codes for the Model 340 and 340CSE see the manual for that device 34 IBM Mobile Systems HMM Numeric Error Codes Symptom Error FRU Action 10X 1 System Board 110 111 1 Go to Memory Ch
185. date diskette in drive A 5 Power on the computer 6 Follow the instructions as they appear to update Flash memory 7 Power off the computer and then power it on again Error codes 162 and 163 will be displayed Press Enter to enter the Configuration Utility Reset the date and time 8 Press Esc to leave the Configuration Utility and then press Enter to save the changes 9 If the Flash update fails replace the bottom system board Save the system board that failed marking it to be reflashed 130 IBM Mobile Systems HMM Keyboard Auxiliary Input Device Checkout Remove the external keyboard if the internal keyboard is to be tested If the internal keyboard does not work or an unexpected character appears make sure that the three flexible cables extending from the keyboard are correctly seated in the connectors on the top system board If the keyboard cable connection is correct run the Keyboard Test by performing the following steps 1 Power off the computer and then power it on again 2 Press the F1 key any time while the POST memory count is proceeding At the end of the memory test the Easy Setup screen appears 3 Press the left or right arrow key to select Test and press Enter or position the pointer over the Test icon and click the left click button once 4 Press Ctrl A to enter advanced diagnostics Press Ctrl K to start the keyboard diagnostics test 6 Press each key A shaded box appears in t
186. de calls the system board or the processor card as a FRU or the processor card is called by a diagnostic test by showing FRU code 11 use the following procedure to isolate the problem 1 Run the system board test to verify the symptom This test verifies both the system board and the processor card If no error is detected return to General Checkout on page 200 2 If FRU code 10 appears replace the system board but do not replace the processor card Transfer the processor card from the old system board to the new system board 3 If FRU code 11 appears reseat the processor card 4 Rerun the test to verify the fix 5 If FRU code 11 remains replace the processor card If above procedure does not correct the problem go to Undetermined Problems on page 227 Keyboard Auxiliary Input Device Checkout Remove the external keyboard if the internal keyboard is to be tested If the internal keyboard does not work or an unexpected character appears make sure that the three flexible cables extending from the keyboard are correctly seated in the connectors on the interposer card If the keyboard cable connection is correct run the Keyboard Test by doing the following 1 Go to diagnostic menu screen by pressing Ctrl A in Easy Setup screen 2 Press Ctrl K the figure of the keyboard appears on the screen 3 Check that when each key is pressed the key position on the keyboard layout on the screen changes to be a
187. der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Bereitschafts oder Systembatterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren Alcune batterie di riserva contengono una piccola quantit di nichel e cadmio Non smontarle ricaricarle gettarle nel fuoco o nell acqua n cortocircuitarle Smaltirle secondo la normativa in vigore DPR 915 82 successive disposizioni e disposizioni locali Quando si sostituisce la batteria dell RTC real time clock o la batteria di supporto utilizzare soltanto i tipi inseriti nell appropriato Catalogo parti L impiego di una batteria non adatta potrebbe determinare l incendio o l esplosione della batteria stessa Algunas bater as de reserva contienen una peque a cantidad de n quel y cadmio No las desmonte ni recargue ni las eche al fuego o al agua ni las cortocircuite Des chelas tal como dispone la normativa local Utilice s lo bater as que se encuentren en la lista de piezas La utilizaci n de una bater a no apropiada puede provocar la ignici n o explosi n de la misma 8 IBM Mobile Systems HMM Safety Notice 3 The battery pack contains small amounts of nickel Do not disassemble it throw it into fire or water or short circuit it Dispose of the battery pack as required by local ordinances or regulations Use only the bat
188. diskette problem to a controller drive or diskette A scratch write enabled 2HD diskette is required 1 Select the icon FDD on the TEST MENU By doing this the controller test and the drive read write test run If the controller test detects an error FRU code 10 appears In this case replace the system board 2 If the controller test run without errors follow the instructions on the screen and insert a scratch diskette 3 If the drive test detects an error FRU code 50 appears If the diskette media are known to be good replace the drive or the drive cable External Display Self Test If the display problem occurs only when using an external display use the following instructions to correct the problem Note Before you replace a display check the following list to see if it is connected correctly e 8506 and 8508 displays must be connected to an Image Adapter A or an Image l Adapter A e 63XX and 85XX systems support either 63XX or 85XX displays e 85XX systems with an XGA 2 adapter support 95XX displays e 95XX systems support either 63XX 85XX or 95XX displays e ThinkPad models support either 85XX or 95XX displays If the screen is rolling replace the display assembly If that does not correct the problem replace FRUs in the following order until the problem goes away 1 Video card 2 Display adapter any type 3 System board 4 Bus adapter if used If the screen is not rolling run the disp
189. dure to isolate memory problems Note Make sure that the SO DIMM is fully installed in the connector A loose connection can cause an error For more information about installing SO DIMMs see FRU Removals and Replacements on page 161 1 Power on the computer Press the F1 key any time while the POST memory count is proceeding At the end of the memory test the Easy Setup screen appears 2 Select Test and press Enter Press Ctrl A to enter advanced diagnostics 4 Select Memory and press Enter to run the memory test on base memory e If an error appears below 3712KB on a system with a 4MB base memory 7 808KB with an 8MB base memory replace the bottom system board e Ifan error appears above 3712KB on a system with 4MB base memory 7 808KB with an 8MB base memory replace the SO DIMM 5 If after replacing the SO DIMM an error above 3712KB on a system with a 4MB base memory or 7 808KB with an 8MB base memory still appears replace the bottom system board 6 To exit from the test screen press Esc w If memory problems occur intermittently use the loop option to repeat the test For more information on running the loop test see Running the Diagnostics on page 156 When the test detects an error an error log is printed on the printer connected to the parallel port See Printing and Displaying Error Logs on page 157 for more information Do not replace FRUs because of a single nonreproducible failur
190. e Press Ctrl A to enter advanced diagnostics If you are using PC test cards select Tool to install them Insert the cards when prompted For instructions on installing test cards see Running the Diagnostics on page 156 For instructions on inserting the cards see Removing PCMCIA Cards on page 159 ThinkPad 701C 701CS 2630 139 140 Select the PCMCIA icon and press Enter to run the test on the PCMCIA slots The green LED on the PCMCIA card should turn on when the test runs If the green LED does not turn on see Reading the PC Test Card LED on page 158 Test results will be displayed under the PCMCIA icon If no errors are detected the OK message appears If an error is detected the FRU code and error description message appear Go to FRU Codes on page 144 and replace the FRU To exit from the test screen press Esc IBM Mobile Systems HMM Symptom to FRU Index The Symptom to FRU Index contains tables that list causes of symptoms The most likely cause is listed first Use this index to help you decide which FRUs to have available when servicing a computer r_ Safety Notice 8 Translation on page 13 Before removing any FRU power off the computer unplug all power cords from electrical outlets remove the battery pack then disconnect any interconnecting cables Perform the FRU replacement or actions in the sequence shown in the FRU Action columns If the repla
191. e 1030 Hard Disk Drive 1040 Keyboard Unit 1080 Status Indicator 1090 Standby Battery and Front IR 1100 Backup Battery 1110 Logic Assembly 1115 Shield Assembly 1120 DC DC Card 1130 DSP Card 1140 Interposer Card and Rear IR 1150 Processor Card 1180 PCMCIA Slot Assembly 1170 System Board Assembly 1160 IBM Mobile Systems HMM 1210 Memory Card Battery Pack 1020 e Diskette Drive 1030 e Hard Disk Drive 1040 e Keyboard Unit 1080 e Status Indicator 1090 e Standby Battery and Front IR 1100 e Backup Battery 1110 e Logic Assembly 1115 e Shield Assembly 1120 e DC DC Card 1130 e DSP Card 1140 e Interposer Card and Rear IR 1150 e Processor Card 1180 e PCMCIA Slot Assembly 1170 e System Board Assembly 1160 e Lower Shield Assembly 1200 Note If the computer does not complete POST after changing the memory card reseat the card and try again ThinkPad 755CE 755CSE 755CV 755CX 9545 457 Locations S a 6 25 co oe wo LS So e o T gt oO v g l c 5 aa Oo g c co ug o 5 e os c o py fas ces A oO io m a o a o ox o6 8B S358 gt SSB z2 LOoOgza o0 cozer z229 Qog esn x Oma S ego SREY PuBbgo0t 6 SEP cal pS oot Do cLneaeOogaMEFZLT ates e oog 7 Q2 O20 82290855 5 lt 828 3000 g 2 5 3 xOOD Fire ee OD Samm BealGooortersa AE DISOSEENEBBEE Front View IBM Mobile Systems HMM 458 Rear View
192. e Single failures can occur for a variety of reasons that have nothing to do with a hardware defect such as electrostatic discharge or software errors Consider replacing a FRU only when a recurring problem exists If you suspect that problems besides a failing FRU exist ThinkPad 701C 701CS 2630 129 clear the error log and run the test again Do not replace any FRUs if errors do not reoccur Updating Flash Memory BIOS and Easy Setup which includes configuration programs and diagnostic tests are stored in Flash memory To update them Flash memory must be updated m When Updating Flash Memory Do not power off the computer disconnect the Vac power or remove the battery pack during the Flash update The system board will have to be replaced if the update is interrupted Updating Flash memory also resets all of the customer s configuration settings to the default values To update the Flash memory perform the following steps 1 Within the Configuration Utility check the Startup Sequence setting and make sure that it is set to Smart or Conventional If it is set to Hard Disk change the setting to Smart or Conventional to set the system to boot from the update diskette in the following procedure If you change the user s setting make a note of the setting before changing it 2 Power off the computer 3 Connect the computer to Vac power and install a charged battery pack 4 Insert the Flash up
193. e LCD for the Model 370C does not have a contrast control When replacing the LCD ground terminal screw do not pull or push the LCD cables H When removing the LCD cables pull the connector straight up Incorrect handling can damage the connector Note For the color models make sure the indicator does not catch the right LCD connector when replacing the status indicator Remove the screw Remove the right hinge cover OS When removing the left hinge cover use a small screwdriver as shown to release the latch from the rear base cover Pull the hinge cover slightly upward to keep it unlatched I From the front side remove the latch with a small screwdriver as shown to remove the cover Be careful not to scratch the surface of the computer when you use a screwdriver to remove the latches Remove the four screws Use the following table for reference when replacing parts Step Location Quantity Length LCD ground terminal 1 4 mm 3 LCD hinge cover right 1 4 mm LCD hinge 4 4 mm Note Make sure you use the correct screw m Safety Notice 5 Translation on page 11 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands immediately wash the affected areas with water for at least 15 minutes Seek medical care if any symptoms from the fluid are present after washing ThinkPad 355x 360x 370C 750x 755C 755Cs 275 m Caring for
194. e Systems HMM ThinkPad 355x 360x 370C 750x 755C 755Cs Model 355x 2619 Model 360x 2620 Model 370C 750x 755C 755Cs 9545 Read This First What to Do First General Checkout Memory Checkout System Board and Processor Card Checkout 370C 750Ce 755C 755Cs Keyboard Auxiliary Input Device Checkout TrackPoint Il checkout 2 Pen and Digitizer Checkout 360P 360PE 750P Audio Card Checkout 2 Diskette Drive Test Power Systems Checkout Power Management Features Symptom to FRU Index Numeric Error Codes 2 FRU Codes eg ao a ao See hae Bee a Beep Symptoms No Beep Symptoms LCD Related Symptoms Keyboard TrackPoint Il Related Symptoms Indicator Related Symptoms Power Related Symptoms Function Audio Related Symptoms Peripheral Device Related Symptoms Other Symptoms Intermittent Problems 2 Undetermined Problems Related Service Procedures Status Indicators How to Run the Diagnostics Error Log i tosia ue Cesir Re te BAL Rs Checking the Installed Devices List Password Combinations How to Run the Low Level Format PC TestCardLED Fn Key Combinations How To Run the K
195. e errors 1 End the test if it is running Press Ctrl A to select the advanced diagnostic mode Press Ctrl E The error log appears To exit the screen select the cancel icon or press Esc ORON The error log is not saved when system power is powered off Reset Pushbutton The reset pushbutton resets the system and forces the power to be powered off Use this pushbutton when the power is not completely off or the system is hung See Rear View on page 382 for the location of the pushbutton Checking the Installed Devices List If a device is installed but the icon appears in a gray shade rather than a dark shade on the basic diagnostics screen the device is defective Reseat the device connectors If the symptom remains replace the device or the system board If needed adjust the contrast control to clearly distinguish the shades of the icon If a device that is not installed appears in a dark shade for example FDD 2 appears in a dark shade when NO second FDD is installed do the following 1 Replace the first device such as a FDD 1 HDD 1 or PCMCIA 1 2 If the problem remains replace the system board PCMCIA 1 Parallel and Serial icons are always displayed in dark shade because the icons represent subsystems of the system board and not attachment of the devices The HDD 1 FDD 1 or PCMCIA 1 represents the first drive in the system configuration respectively Similarly the HDD 2 FDD 2 or PCMCIA
196. e of the cover into the foot guide of the the LCD push the right left and front sides to snap it into place Use the following table for reference when replacing parts 360 IBM Mobile Systems HMM Step Location Quantity Length A Top cover 1 14 mm 3 Top cover 2 4 mm g Top cover 1 4 mm Note Make sure you use the correct screw ThinkPad 755CD 755CDV 9545 361 2090 Status Indicator e CD ROM Drive 2030 e Battery Pack 2020 e Keyboard Unit 2080 Warning Do not pull the status indicator cable The cable will be damaged if the status indicator is disconnected without releasing the latch in step H Note When replacing the indicator insert the flexible cable straight into the connector until the head of the cable stops Slide both ends of the latches at the same time to make sure that the cable is correctly inserted IS Use the following table for reference when replacing parts Step Location Quantity Length LED Stand off 2 14 mm Note Make sure you use the correct screw 362 IBM Mobile Systems HMM 2100 Standby Battery and Front IR CD ROM Drive 2030 e Battery Pack 2020 Where EQ is the IR Cable is the Standby Battery Cable is the IR Lens Note When replacing the battery make sure the battery are seated correctly Make sure the IR lens H is in the
197. e the battery shown in the figure on page 163 H Remove the SO DIMM cover and any installed SO DIMM cards shown in the figure on page 163 See Removing and Replacing the SO DIMM Card on page 178 for more detailed information Remove the PCMCIA cover and filler plug shown in the figure on page 164 Remove any installed PCMCIA cards See Removing PCMCIA Cards on page 159 for more detailed information g Remove the parallel port cover shown in the figure on page 163 Warning Do not drop or apply any shock to the hard disk drive The hard disk drive is sensitive to physical shock Incorrect handling can damage it and cause permanent loss of data on the hard disk Before removing the hard disk drive have the user make a backup copy of all the information on the hard disk Never remove the hard disk drive while the system is operating or while it is in Suspend mode 5 Remove the hard disk drive shown in the figure on page 163 Note Remove the hard disk drive by inserting a coin in the slot and twisting until the hard disk drive is unseated Do not apply any extra force to the hard disk drive when removing it Removing the Keyboard Cover g Remove the screw BC located on the right side toward the back of the computer shown in the figure on page 163 166 IBM Mobile Systems HMM Remove the screw BK located on the rear bottom left of the computer shown in the figure on page 163 Open the computer lid all the
198. e the keyboard push it backward slightly and then pull it up then forward and out Replacement When you reinstall the keyboard follow these steps ThinkPad 701C 701CS 2630 167 Warning When you reinstall the keyboard be careful not to damage the keyboard cables by pinching or crushing them 1 2 3 4 Attach the three flat cables Tilt the front of the keyboard up and push the rear of the keyboard toward the back of the computer Press the keyboard down Pull the keyboard slightly forward to engage the latches located at the back right and in the middle of the left and right sides Warning Do not pull out the cable before releasing the sliding latch connector Detach the three keyboard cables from the top system board shown in the figure on page 164 The keyboard cables use zero insertion force ZIF connectors Instructions for working with ZIF connectors To detach the cables pull out the small sliding latch under each cable using a small tool to pull on each side Try to pull the latch out incrementally on each side or pull out both sides simultaneously Replacement When you reinstall cables in ZIF connectors insert the cable connector end metal side facing up into the connector and then gently push in each sliding latch to secure the cable Do not twist the cables Warning Do not pull out the cable before releasing the sliding latch connector Separating the Display and Base Units 16
199. e the rubber dome under the keytop is straight and in the correct direction with the larger radius on the top 3 Keyboard 4 System Board TrackPoint Il or III does not work 1 Go to TrackPoint Il and III Checkout on page 28 2 Keyboard 3 System Board Pointer moves automatically or does not work correctly 1 See TrackPoint Il and III Checkout on page 28 Indicator Related Symptoms Symptom Error FRU Action Indicator incorrectly remains off or on but system runs correctly Battery power status indicator blinks from green yellow to orange 1 Reseat the indicator card 2 Indicator Card 3 System Board 1 Checkthata correct battery is installed 2 Battery Pack 3 System Board Power Related Symptoms Symptom Error FRU Action Power shut down during operation 1 Go to Power Systems Checkout on page 29 2 Battery Pack 3 Remove the battery pack and let it cool for two hours 4 Power Sources The system will not power off See Reset Pushbutton on page 46 1 Press the Reset pushbutton 2 System Board 40 IBM Mobile Systems HMM Function Audio Related Symptoms Symptom Error FRU Action The system will not suspend or resume by opening or closing the keyboard 1 Go to Suspend Mode on page 34 and check that the computer can enter suspend mode 2 Go to the E
200. e the system board Before removing and replacing the system board make sure that the PCMCIA cards are removed and the eject levers are not sticking out When replacing the system board assembly align the power key slide hub with the power switch actuator by moving the power key in the direction of the arrow See the large circle in the figure Before tightening any screws check that the power switch operates correctly Do not pull the PCMCIA slot assembly while removing the system board Use the following table for reference when replacing parts Step Location Quantity Length Hinge bracket 4 4mm A Base cover lower shield 1 4 mm Note Make sure you use the correct screw ThinkPad 355x 360x 370C 750x 755C 755Cs 285 2130 PCMCIA Slot Assembly e Battery Pack 2020 e Diskette Drive 2030 e Hard Disk Drive 2035 e Keyboard Unit 2040 e Status Indicator 2060 e LCD Assembly 2070 e Speaker Shield Assembly 2080 e Audio Card 2085 e Interposer Card 2090 e DC DC Card 2100 e Backup Battery 2110 e Standby Battery 2105 e System Board Assembly 2120 Notes 1 When handling the PCMCIA slot assembly be careful not to disassemble any part of it The slot assembly is not solidly fixed when it is removed from the system board or the FRU In step EJ gently pull up the bottom of the center area of the connector board edge with your fingers 2 The screw stand located eac
201. e voltage is less than 3 5 V dc go to the next step 5 Plug the AC Adapter into the computer and power on the computer 6 Measure the output voltage at the connector on the system board Black Red Pin Voltage V dc 4 0 Ground If the voltage is less than 4 0 V dc replace the DC DC card If the voltage is still low replace the system board If the voltage is more than 4 0 V dc power off the computer replace the standby battery and go to the next step 7 Ensure that the AC Adapter is plugged into the computer then power on the computer 212 IBM Mobile Systems HMM 8 Charging of the standby battery starts A depleted battery needs approximately 30 minutes to be recharged to the operational voltage of 3 5 V dc 9 Unplug the AC Adapter 10 Verify the standby battery function by removing and installing the battery pack during suspend mode Note Removing and installing the battery pack during suspend mode should be done within one minute The resume operation must start If the resume operation does not work switching of power from the battery pack to standby battery will not be correct Replace the DC DC card If replacing the DC DC card does not resolve the problem replace the system board Power Management Features Three power management modes are provided by the computer to save power consumption and prolong battery power Standby Mode When in standby mode the followi
202. e your IBM Servicer or IBM Authorized Dealer for this procedure Power On Password 720 720C m Important This information is not available in this HMM online format See your IBM Servicer or IBM Authorized Dealer for this procedure Privileged Access Password PAP This is an option If a PAP is set the computer cannot start and you have to get the customer to unlock the PAP If the PAP is set then forgotten it cannot be overridden or removed The system board must be replaced ThinkPad 700 700C 720 720C 9552 97 Set Startup Sequence 1 2 3 4 9 10 Power off the computer Insert the backup copy of the Reference Diskette into the diskette drive Power on the computer Select Set features from the Main Menu Select Set startup sequence If you cannot set the startup sequence replace the system board Check the list of devices on the Set startup sequence screen Is the hard disk drive in the list as a startup device Yes Exit from this screen and the Main Menu Remove the backup copy of the Reference Diskette and power off the computer Continue with step 8 No Add the hard disk drive as a startup device Is an operating system installed Yes Go to step 10 No Install the operating system After the operating system is installed power off the computer Power on the computer Note After the programs have been restored the Diskette and F1 prompts appear unless an operating s
203. ead Write Read Write 1 2MB Not Compatible Read Write Note A 360KB diskette written to or formatted on a 1 2MB drive can be read reliably only on a 1 2MB drive 4 IBM Mobile Systems HMM Important Service Information m Important Diskette fixes are customer installable The diskette fixes are located on the PC Company Bulletin Board Service BBS The direct phone line for modem connection is 919 557 0001 or tieline 255 0001 Advise customers to contact the PC Company HelpCenter at 800 772 2227 if they need assistance in obtaining or installing any diskette fixes Customers in Canada should call IBM HelpPC at 800 565 3344 for assistance or down load information The Canadian BBS phone numbers are Montreal 514 938 3022 Toronto 905 316 4255 Vancouver 604 664 6464 Winnipeg 204 934 2735 FRU Replacement Strategy m Before Replacing Parts Ensure that all diskette fixes are installed prior to replacing any FRUs listed in this manual Use the following strategy to prevent unnecessary FRU replacement and service expense e If you are instructed to replace a FRU and that does not correct the problem reinstall the original FRU before you continue e Some computers have both a processor board and a system board If you are instructed to replace either the processor board or the system board and the first board that you replaced does not correct the problem reinstall the original board t
204. ears ThinkPad 355x 360x 370C 750x 755C 755Cs 229 5 To exit the screen select the cancel icon or press Esc The error log is not saved when system power is powered off Checking the Installed Devices List If a device is installed but the icon appears in a gray shade rather than a dark shade on the basic diagnostics screen the device is defective Reseat the device connectors If the symptom remains replace the device or the system board lf needed adjust the contrast control to clearly distinguish the shades of the icon If a device that is not installed appears in a dark shade for example FDD 2 appears in a dark shade when NO second FDD is installed do the following 1 Replace the first device such as a FDD 1 HDD 1 or PCMCIA 1 2 If the problem remains replace the system board PCMCIA 1 Parallel and Serial icons are always displayed in dark shade because the icons represent subsystems of the system board and not attachment of the devices The HDD 1 FDD 1 or PCMCIA 1 represents the first drive in the system configuration respectively Similarly the HDD 2 FDD 2 or PCMCIA 2 represents the second drive usually attached through a port replicator or an expansion unit Password Combinations The password relationship is e When POP is the same as HDP The POP prompt appears but the HDP prompt does not appear e When POP is not the same as HDP Both POP and HDP prompts appear e PAP and HDP When PAP
205. eattach the AC adapter to the computer or the MultiPort Il 2 MultiPort Il 3 Top System Board 148 IBM Mobile Systems HMM Indicator Related Symptoms Symptom Error FRU Action Indicator incorrectly remains on or off but system runs correctly 1 Reseat the inverter card 2 Inverter Card 3 Top System Board Battery status indicator blinks green and beeps three times at power on or Resume Battery status indicator blinks green at power on Battery status indicator does not turn on when battery fuel gauge is over 90 but less than 100 1 Check that a fully charged battery is installed Battery Pack 3 Reseat Top and Bottom System Boards together Top System Board 5 Bottom System Board 1 Check the card to card connection Reseat Top and Bottom System Boards together 2 Top System Board 3 Bottom System Board p 1 This is normal operation if charging continues Leave the computer charging and then recheck the battery fuel gauge a short time later to see whether the charge has increased Power Related Symptoms Symptom Error FRU Action Power shut down during operation 1 Go to Power Systems Checkout on page 135 Battery Pack Power sources Top System Board RON The system will not power off If you are in Suspend mode resume by pressing Fn Then try to power off 2 Disconnect the computer fr
206. eckout on page 26 IC DRAM Card 3 System Board p 1 Go to Memory Checkout on page 26 2 System Board 161 1 Go to Checking the Backup Battery on page 31 Backup Battery System Board oN 163 Time and Date was not set Set Time and Date System Board Ni 173 Configuration data were lost 1 Select OK in the error screen then set time and date 2 Backup Battery 3 System Board 174 Perform Checking the Installed Devices List on page 46 before changing 1 Check Device Configuration 2 System Board 3 Diskette Drive any FRUs Assembly 4 Hard Disk Drive Assembly 184 1 Reset the POP in POP check sum error Easy Setup 190 1 Go to Checking the A depleted battery pack was installed when the power was on Battery Pack on page 30 191XX 1 System Board 199XX 1 System Board 1XX 1 System Board 2XX 1 Go to Memory Checkout on page 26 IC DRAM Card 3 System Board p ThinkPad 340x IBM 2610 35 Symptom Error FRU Action 301 303 304 305 3XX 1 Goto Keyboard Auxiliary Input Device Checkout on page 27 2 Keyboard External Numeric Keypad External Keyboard Keyboard Mouse Cable System Board w prop 601 6XX 1 Go to Diskette Drive Test on page 28 2 Diskette Drive Assembly 3 Diskette 4 System Board 602 Diskette read error 60
207. eckout on page 29 1 Power off the computer 42 IBM Mobile Systems HMM 2 Check the cables wires and connectors for short circuits and open circuits Visually check them for damage If any problems are found replace the FRU 3 Remove or disconnect all of the following devices a Non IBM devices b Devices attached to the expansion bus connector c Printer mouse and other external devices d Battery pack e IC DRAM card f PC cards Note Remember that removing the hard disk drive an IC DRAM card or any adapter or device might cause configuration errors Ignore error code 174 4 Power on the computer Determine if the problem has changed 6 If the problem does not occur again reconnect the removed devices one at a time until you find the failing FRU 7 Ifthe problem remains replace the following FRUs one at atime Do not replace a non defective FRU e Modem card if installed e LCD assembly e System board a Related Service Procedures This section provides information about the following e Status Indicators on page 44 e How to Run the Diagnostics on page 45 e Error Log on page 45 e Reset Pushbutton on page 46 e Checking the Installed Devices List on page 46 e How to Run the Low Level Format on page 46 e PC Test Card LED on page 46 e Fn Key Combinations on page 47 e How To Run the Keyboard Diagnostics on page 47 ThinkPad 340x
208. ectly Digitizer Checkout 360P 360PE 750P on page 205 Errors occur only when Port 1 See Port Replicator Replicator is used Checkout in Common Devices Checkout section PCMCIA slot pin is 1 PCMCIA Slots damaged Assembly Note If you cannot find a symptom or error in this list and the problem remains see Undetermined Problems on page 227 Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors FRUs replacement should only be considered when a recurring problems exits When analyzing the intermittent problem do the following 1 Run the advanced diagnostic test for the system board in loop mode at least 10 times 2 If no error is detected do not replace any FRUs 3 If any error is detected replace the FRU shown by the FRU code Rerun the test to verify that no more errors exist 226 IBM Mobile Systems HMM Undetermined Problems You are here because the diagnostic tests did not identify which adapter or device failed installed devices are incorrect a short circuit is suspected or the system is inoperative Follow the procedures below to isolate the failing FRU do not isolate non defective FRUs Verify that all attached devices are supported by the computers Verify that the power supply being used at the time of
209. ed Symptoms Indicator Related Symptoms Power Related Symptoms Function Related Symptoms Infrared Related Symptoms Audio Related Symptoms Peripheral Device Related Symptoms Other Symptoms Intermittent Problems 2 Undetermined Problems Related Service Procedures Understanding Fn Key Combinations Reading Status Indicators Understanding the Power On Self Test a Removing the Power On Password Running the Diagnostics Printing and Displaying Error Logs Checking Installed Devices Running the Low Level Format Reading the PC Test Card LED Removing PCMCIA Cards Product Overview FRU Removals and Replacements Disassembling the ThinkPad 701C 701CS Lu Disassembling the LCD Assembly Replacing the Top System Board Removing and Replacing the SO DIMM Card Locations ig ee Qe eo ae a System Front View System Left Side View 2 System Right Side View 2 System Rear View Top System Board Top View Copyright IBM Corp 1995 Top System Board Bottom View 185 Bottom System Board Top View 186 Bottom System Board Bottom View 187 Inverter Card Front View 188 Inverter Card Rear View 188 MultiPort I
210. elated Service Procedures Understanding Fn Key Combinations The following table shows the Fn key and function key combinations and their corresponding functions The Fn key works independently from the operating system The operating system obtains the status through the system management interface to control the system Fn Description alone Resumes operation from Suspend mode FI Enters the Configuration Utility F2 Turns the battery gauge icon on and off F3 Enters Standby mode F4 Enters Suspend mode F5 Mutes and unmutes speaker F6 Turns the hard disk off F7 Cycles through display options LCD CRT both F8 Reverses video display F9 Reserved F10 Reserved F11 Reserved F12 Enters Hibernate mode Insert Increases contrast This combination key does not provide this function on ThinkPad 701C as TFT screens do not require contrast adjustment Delete Decreases contrast This combination key does not provide this function on ThinkPad 701C as TFT screens do not require contrast adjustment Home Increases brightness End Decreases brightness PgUp Increases speaker volume unmutes speaker PgDn Decreases speaker volume 154 IBM Mobile Systems HMM Reading Status Indicators The system status indicators show the current computer status in different colors green and yellow Symbol Color Meaning Green Batt
211. eld 360x Rear Connector Cover 355x Rear Connector Cover 360x PCMCIA Cover Includes bezels and security plate PCMCIA Device Name Labels Base Cover Assemblies include coil spring insulator foot power switch knob holder latch buttons Base Cover Assembly 355 Base Cover Assembly 355C Base Cover Assembly 355Cs 84G2265 84G5719 84G2264 84G5721 85G9678 84G2303 84G5703 84G2258 84G5704 66G5057 84G2299 84G5722 84G2298 84G2297 84G5718 84G2251 85G2408 85G2407 84G5720 85G9646 66G5046 84G5860 84G5639 84G2255 84G5705 66G3754 85G0959 85G9672 85G2403 84G2253 84G2273 66G5121 84G2300 84G2252 85G2409 66G5122 84G2271 66G5066 84G2272 66G5068 84G4319 85G0961 84G2301 84G2256 84G2304 84G2259 84G2262 66G9228 84G2276 84G5717 84G2275 ThinkPad 355x 360x 370C 750x 755C 755Cs 297 Index Base Cover Assembly 360 84G2274 For Benelux 84G5707 For Japan 84G5708 Base Cover Assembly 360C 84G5711 For Benelux 84G5712 For Japan 84G5708 Base Cover Assembly 360Cs 84G2250 For Benelux 84G5709 For Japan 84G5708 Base Cover Assembly 360CE 360CSE 85G2404 For Benelux 85G2405 For Japan 85G2406 Base Cover Assembly 360P 84G5714 For Benelux 84G5715 For Japan 84G5708 Base Cover Assembly 360PE 85G9676 For Benelux 85G9681 For Japan 85G2406 19 Bezel Diskette Drive 84G2260 20 Cover Option Bay 84G2261 21 Bracket Audio Card option 84G2306 Bracket Internal Modem 84G2291 Built in for 355x
212. em Error Logo 96 Checking the Installed Devices List 97 Power On Password 700 700C 97 Power On Password 720 7200 97 Privileged Access Password PAP 97 Set Startup Sequence 2 98 Restore System Partition 98 Hard Disk Low Level Format 99 Replacing the Hard Disk Drive 99 System Diskettes Reference and Diagnostic 100 Making a System Partition Backup Copy 101 Japanese Model Diskette Drive and Diskette 102 173 and 11350 Error Combination 102 PCMCIA Card Removal Tip 102 Product Overview 102 FRU Removals and Replacements 104 Locations LL 110 Front View 110 System Board 700 111 System Board 720 720C 112 Video Gardi Li 113 Keyboard Control Card 113 Voltage Converter 114 Parts Listing 700 2 2 115 Parts Listing 720 7200 118 FRU Service Procedures 124 Copyright IBM Corp 1995 67 General Checkout The diagnostic tests are intended to test only IBM products Non IBM products prototype card or modified options can give false errors and invalid system responses Warning The drives might have been rearranged or the drive startup sequence might have been altered Be extremely careful during write operations such as copying saving or formatting Data or programs can be written over if you select an incorrect drive
213. em cannot power on due to low battery voltage Connect the AC Adapter or install a fully charged battery One beep every second System is shutting down due to low battery voltage codes Connect the AC Adapter or install a fully charged battery allows system to complete shutdown before changing the battery POST error See Numeric Error Codes on page 408 Two short beeps with error Two short beeps with blank screen System Board 412 IBM Mobile Systems HMM No Beep Symptoms Symptom Error FRU Action No beep power on indicator 1 Go to Power not on and a blank LCD Systems Checkout during POST on page 398 2 System Board 3 DC DC Card 4 Power sources No beep power on indicator 1 System Board on and a blank LCD during 2 DC DC Card POST 3 Processor Card No beep power on indicator 1 System Board on and a blinking cursor 2 Processor Card only during POST 3 DC DC Card No beep during POST but 1 Turn the volume up system runs correctly and check the speaker 2 Speaker 3 DSP Card 4 DC DC Card LCD Related Symptoms The TFT LCD for the notebook computer contains over 921 000 thin film transistors TFTs A small number of missing discolored or lighted dots on all the time is characteristic of TFT LCD technology but excessive pixel problems can cause viewing concerns The LCD should be replaced if the number of dots satisfi
214. emark of the IBM Corporation IBM Mobile Systems HMM Model Type Processor Memory Hrd Dsk ThinkPad 701C 2630 486DX2 25 50 4M 32M 360MB 2630 486DX2 25 50 4M 32M 540MB 2630 486DX4 25 75 8M 32M 360MB 2630 486DX4 25 75 8M 32M 540MB ThinkPad 701Cs 2630 486DX2 25 50 4M 32M 360MB 2630 486DX2 25 50 4M 32M 540MB 2630 486DX4 25 75 8M 32M 360MB 2630 486DX4 25 75 8M 32M 540MB ThinkPad 710T 2523 09Y 486SLC2 25 4M 12M TPF 2523 302 486SLC2 25 4M 12M 60M 2523 303 486SLC2 25 4M 12M 60M ThinkPad 720 9552 307 486SLC 25 50 4M 16M 120M 9552 308 486SLC 25 50 4M 16M 160M ThinkPad 720C 9552 30J 486SLC 25 50 4M 16M 160M ThinkPad 730T 2524 486SLC2 25 4M 12M OM 2524 486SLC2 25 4M 12M 60M ThinkPad 750 9545 006 486SL 33 4M 20M 170M 9545 008 486SL 33 4M 20M 340M ThinkPad 750C 9545 306 486SL 33 4M 20M 170M 9545 308 486SL 33 4M 20M 340M ThinkPad 750Ce 9545 P24S 50 25 4M 20M 340M ThinkPad 750Cs 9545 486SL 33 4M 20M 170M 9545 486SL 33 4M 20M 340M ThinkPad 750P 9545 40C 486SL 33 4M 20M 170M 9545 40E 486SL 33 4M 20M 340M ThinkPad 755C 9545 486DX4 50 25 4M 32M 170M 9545 486DX4 50 25 4M 32M 340M 9545 486DX4 50 25 4M 32M 540M 9545 486DX4 75 25 4M 32M 170M 9545 486DX4 75 25 4M 32M 340M 9545 486DX4 75 25 4M 32M 540M ThinkPad 755CD 9545 486DX4 100 338M 32M 540M 9545 486DX4 100 338M 32M 810M ThinkPad 755CDV 9545 486DX4 100 338M 32M 540M 9545 486DX4 100 338M 32M 810M ThinkPad 755Ce 9545 486DX4 100 338M 32M 340M 9545 486DX4 100 338M 32M 540M 9545 486DX4 100 33
215. ems Use the round ground prong of the AC plug on AC operated computers Grounding Requirements Electrical grounding of the computer is required for operator safety and correct system function Proper grounding of the electrical outlet can be verified by a certified electrician 18 IBM Mobile Systems HMM Laser Compliance Statement The CD ROM drive in the ThinkPad computer is a laser product The CD ROM drive s classification label shown below is located on the drive CLASS 1 LASER PRODUCT LASER KLASSE 1 LUOKAN 1 LASERLAITE APPAREIL A LASER DE CLASSE 1 KLASSE 1 LASER APPARAT The CD ROM drive is certified in the U S to conform to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations DHHS 21 CFR Subchapter J for Class 1 laser products In other countries the drive is certified to conform to the requirements of EN60825 A CAUTION Do not open the drive no user adjustments or serviceable parts are inside Class 1 laser products are not considered to be hazardous The CD ROM drive has an internal Class 1 0 5 milliwatt aluminum gallium arsenide laser that operates at a wavelength of 760 to 810 nanometers The design of the laser system and the CD ROM drive ensures that there is no exposure to laser radiation above a Class 1 1 level during normal operation user maintenance or servicing conditions Introduction 19 Screw Size Chart Use the chart below
216. er 3 Select Update system programs from the menu System Board and Processor Card Checkout The processing functions are performed by both the system board and the processor card Processor problems can be caused by either FRU However the processor card generally has a lower probability of failure When a numeric code calls the system board or the processor card as a FRU or the processor card is called by a diagnostic test by showing FRU code 11 use the following procedure to isolate the problem 1 Run the system board test to verify the symptom This test verifies both the system board and the processor card If no error is detected return to General Checkout on page 393 2 If FRU code 10 appears replace the system board but do not replace the processor card Transfer the processor card from the old system board to the new system board If FRU code 11 appears reseat the processor card Rerun the test to verify the fix 5 If FRU code 11 remains replace the processor card po ThinkPad 755CE 755CSE 755CV 755CX 9545 395 If above procedure does not correct the problem go to Undetermined Problems on page 419 Keyboard Auxiliary Input Device Checkout Remove the external keyboard if the internal keyboard is to be tested If the internal keyboard does not work or an unexpected character appears make sure that the three flexible cables extending from the keyboard are correctly seated in the con
217. er Education Business Unit Customized Operational Services Developers Assistance HW amp SW End User Support HelpCenter HelpLearn and Customer Satisfaction Center HelpCenter TDD ASCII BM Anti Virus Services BM Authorized Dealer Referrals BM Customer Satisfaction Center TDD ASCII BM Dealer Referral typewriters printers BM Direct supplies education BM Field Television Network BM Information Referral Service BM Service BM Technical Manuals Multimedia Information Center Multimedia Support Multivendor Consulting OS 2 Information Line OS 2 Support Center OS 2 Support Line x Trademark of the IBM Corporation Trademark of the Prodigy Services Company 494 IBM Mobile Systems HMM U S Customers and Helpware Subscribers Number Information 303 924 4125 800 284 5933 914 962 0310 800 237 4824 800 742 2943 800 547 1283 800 426 2622 606 323 3000 800 551 2832 Parts Information Prodigy Service link problems Prodigy User Questions PS 2 Trade In Program PS 2 Loan for Learning PS 2 Lease from IBM Credit Solution Validation Lab Technical Coordinator Program SystemXtra for Personal Systems LAN Automated Distribution 2 OS 2 Bulletin Board OS 2 Application Assistance Center Technical Services Boca Raton fee Technical Support typewriters printers Technical Solutions Magazine IBM Canada Customer and Servicer Support Number Information 8
218. error codes X can be any number If no codes are available use narrative symptoms If the symptom is not listed go to Undetermined Problems on page 227 m Notes e For IBM devices not supported by the diagnostic codes in this manual see the manual for that device e If the LCD is replaced with a new one see Digitizer Adjustment on page 205 to adjust the pen point pressure 216 IBM Mobile Systems HMM Numeric Error Codes Symptom Error FRU Action 10X 1 System Board 110 1 Go to Memory Checkout on page 201 2 IC DRAM Card or DIMM Card 3 System Board 111 1 Go to Memory Checkout on page 201 2 Expansion Unit Port Replicator 3 System Board 118 1 Run memory Memory parity error was logged in CMOS Go to Memory Checkout on page 201 diagnostics to clear the error log 158 HDP was not set even though the supervisor password is set 1 Set a HDP 159 HDP is not set the same as the supervisor password 1 Seta correct HDP 161 1 Go to Checking the Backup Battery on page 211 2 Backup Battery 3 System Board 163 1 Set Time and Date Time and Date was not 2 System Board set 173 Configuration data were lost 1 Select OK in the error screen then set time and date 2 Backup Battery 3 System Board 174 Perform Checking the Installed Devices List on page 230 before cha
219. erter If the problem is not resolved when the voltage converter is replaced go to Checking the Voltage Converter 700 700C on page 77 or Checking the Voltage Converter 720 720C on page 78 e Ifthe voltage is outside the normal voltage range do one of the following Try the above test procedures using a different car if one is available Replace the car battery adapter if the computer works with the AC adapter but does not work with the car battery adapter Note If the output voltage from the cigarette lighter socket of the car is less than 10 5 V dc the power on indicator on the car battery adapter blinks and a continuous noise can be heard Have the car battery serviced ThinkPad 700 700C 720 720C 9552 73 Checking the Battery Pack 1 Carefully place the computer bottom side up 2 Remove the battery pack and measure the voltage between the battery terminals 1 and 3 See the following figure Pin Voltage V dc 1 10 0 to 18 0 Thermal Detection 3 Ground e If the voltage is less than 10 0 V dc the battery pack has been discharged or is defective e Ifthe voltage is more than 10 0 V dc go to the next step 3 Using an ohm meter measure the resistance between battery terminals 2 T and 3 The resistance must be 4 to 30 kilohms e If the resistance is not correct replace the battery pack e If the resistance is correct go to the next step
220. ery charging De Blinking green Battery low A Yellow Hard disk drive i in use Green Keys in NumLk ay mode Green Keys in Caps aS Lock mode D Green Keys in ScrLk mode D Green Computer powered on and not in Suspend mode Reading the Battery Status If the computer is using the battery the Battery Status field in the Configuration Utility indicates whether the battery is OK or low If the computer is using external power this field indicates whether the battery is fully charged or still charging The battery fuel gauge provides a visual indication of the battery power level Understanding the Power On Self Test Each time you power on the computer the power on self test POST is initiated The POST takes up to 90 seconds to complete depending on the options installed The POST checks the following items system boards memory display keyboard diskette drive hard disk drive parallel port and serial port To start the POST power on the computer The following actions will happen 1 Ifa critical error occurs during the POST the system halts The system might beep or display a message If the POST cannot be completed successfully an error code appears on the display and you are prompted to press Esc or Enter If you press Esc the computer bypasses the error and attempts to complete the POST If you press Enter the computer displays the Configuration Utility window You can then try to c
221. es the following condition e The number of missing discolored or lighted dots in any colored background is 21 or more Note For Model 755CV see also Model 755CV Symptoms on page 414 for LCD related symptoms Symptom Error FRU Action No beep power on indicator 1 System Board on and a blank LCD during 2 DC DC Card POST 3 Processor Card e LCD backlight not 1 Reseat the LCD working or connectors e LCD too dark or 2 LCD Assembly 3 Interposer Card e LCD brightness cannot DC DC Card be adjusted or A e LCD contrast cannot be adjusted ThinkPad 755CE 755CSE 755CV 755CX 9545 413 Symptom Error FRU Action e LCD screen unreadable or e Characters missing pels or e Screen abnormal or e Wrong color displayed 1 See note for LCD Related Symptoms 2 Reseat all LCD connectors 3 LCD Assembly 4 System Board 5 Interposer Card LCD has extra horizontal or vertical lines displayed LCD Assembly Model 755CV Symptoms Symptom Error FRU Action The screen is black when the LCD cover is installed 1 Verify that the LCD cover is firmly installed on the LCD 2 Diagnose the LCD assembly by following LCD Related Symptoms on page 413 The LCD is wavy when the computer is placed on the overhead projector Some overhead projectors interfere with the LCD of the computer Use another overhead projector T
222. ess screen appears OK appears when the test ends without any errors Start the Advanced Diagnostic test by pressing Ctrl A on the basic diagnostic menu screen Select Tool to install the tools 8 Select a device press the space key and install the tool Multiple devices can be selected by repeating this step A V mark appears for the selected device 9 Select OK and press Enter if the selection is OK 10 Select a device and press Enter to start the tests 11 Select Test All to test all devices 12 Select Loop Test to loop tests A loop option menu appears in which a device loop or all loop can be selected Select a device and press the space key to select a device Repeat this step to select multiple devices Press Enter to start the diagnostic loop If no device is selected all device tests are looped 13 To exit the loop keep pressing Ctrl Pause until the test exits D 01 ew I sN Error Log Diagnostic errors are printed on the printer that is attached to the parallel port when the error is detected The error is also logged in the system memory Do the following to display the errors 1 End the test if it is running Press Ctrl A to select the advanced diagnostic mode Press Ctrl E The error log appears To exit the screen select the cancel icon or press Esc Or GN The error log is not saved when system power is powered off ThinkPad 340x IBM 2610 45 Reset Pushbutton The reset pushbutt
223. et Measure the output voltage of the AC Adapter 5 If the voltage is still not correct replace the AC Adapter Note An audible noise from the AC Adapter does not always indicate a defective adapter BW Checking the Battery Pack 1 Power off the computer 2 Remove the battery pack and measure the voltage between battery terminals 1 and 4 See the following figure 30 IBM Mobile Systems HMM Voltage V dc Signal Terminal 340 NiCd 340CSE NiMH 1 10 0 to 18 0 10 0 to 16 0 2 NC 0 Q 0 ground 3 10 kQ between ground 4 Ground If the voltage is less than 10 0 V dc the battery pack has been discharged or is defective Recharge the battery If the recharging does not work go to Step 5 to check the charging circuit If the voltage is still less than 10 0 V dc after the recharging replace the battery If the voltage is more than 8 0 V dc measure the resistance between battery terminals 3 and 4 The resistance must be 4 to 30 kilohms If the resistance is not correct replace the battery pack If the resistance is correct replace the system board To check the charging circuit do the following Plug in the AC Adapter with the battery pack removed then power on the computer Measure the charging voltage between terminals 1 and 4 on the computer If the voltage is less then 10 0 Vdc replace the system board If the voltage is more than 10 0
224. ex 15 16 17 17 Diskette Drive 2 mode Diskette Drive 3 mode Speaker 360CSE TrackPoint Il Cap TrackPoint III Cap Shield Plate 340 AC Adapter For Japan AC Adapter small 35W For Japan DC Plug IC DRAM Card See options Keyboards 64 Arabic Belgium Canadian French Danish Dutch Finnish Swedish French German Black Greek Hebrew Italian Japanese Latin Spanish Norwegian Portuguese Spanish Swiss French Swiss German Turkish U K English U S English IBM Mobile Systems HMM 84G6664 84G6665 85G7643 66G6444 84G6536 84G6774 84G6679 84G6738 85G4952 85G6669 85G6664 84G6881 84G6879 84G6887 84G6878 84G6876 84G6875 84G6872 84G6870 84G6885 84G6882 84G6874 84G6888 84G6886 84G6880 84G6883 84G6877 84G6873 84G6871 84G6884 84G6869 84G6868 Option Parts List Notes 1 When you replace the AC Adapter with a new one use the one for the country you are in even if the system is from a different country 2 The warranty for the system unit does not apply to all options Basic IC DRAM CARD no parity 8MB 84G5725 Basic IC DRAM CARD no parity 4MB 84G5724 Basic IC DRAM CARD no parity 16MB 84G5726 Keyboard Mouse Cable 54G0444 Microphone 66G7871 PS 2 Miniature Mouse 95F5723 Numeric Keypad Belgian 95F5741 Canadian French 95F5466 Danish 95F5467 Dutch 95F5467 French 95F6313 German 95F6314 Greek 95F5467 Hebrew 95F5741 Icelandic 95F5467 Italian 95F6316 Japanese 79F
225. eyboard 33 External Mouse 40 LCD Assembly 45 External CRT 50 1 Reseat the Drive FDD 1 2 Diskette Drive FDD 1 51 1 Reseat the Drive FDD 2 2 Diskette Drive FDD 2 ThinkPad 755CE 755CSE 755CV 755CX 9545 411 FRU Code FRU Action 60 1 Reseat the Hard Disk Drive HDD 1 2 Hard Disk Drive HDD 1 61 1 Reseat the Hard Disk Drive HDD 2 2 Hard Disk Drive HDD 2 70 PCMCIA 2 Replicator 71 PCMCIA in FDD compartment 80 Cellular Modem Note The device ID and error codes are used to indicate the detail portion of the FRU that caused the error If replacing a FRU does not correct a problem see the Device ID or error code from the previous failure If they have changed the cause might be that the new FRU is defective or that the FRU was incorrectly installed If the problem remains after replacement of the FRUs go to Undetermined Problems on page 419 Beep Symptoms Symptom Error FRU Action Continuous beeps System Board One beep and a blank unreadable or flashing LCD Unable to access boot source 1 Reseatall LCD connectors LCD Assembly System Board DC DC Card Pin One beep and the message Boot device System Board p One long two short beeps and a blank or unreadable LCD System Board 2 LCD Assembly One long beep followed by four short beeps each time the power switch is operated Syst
226. eyboard Diagnostics Product Overview Models 355x 360x Model 370C 2 02 004 Model 750X ow wis ads ee ae Models 755C 755Cs FRU Removals and Replacements Removals Models 355x 360x 2 1010 Rear Connector Door 1015 FOO erat Set die an es eo 1020 Battery Pack Copyright IBM Corp 1995 1030 Diskette Drive 1035 Hard Disk Drive 1040 Keyboard Unit 1050 IC DRAM Card 1055 Diskette Drive Bezel 1060 Status Indicator 2 1070 LCD Assembly 1080 Modem Card 355x 1085 Bezel 360x 1090 Speaker Shield Assembly 1095 Interposer Card 1100 DC DC Card 1110 Backup Battery 1115 Standby Battery 1120 System Board Assembly 1130 PCMCIA Slot Assembly Removals Models 370C 750x 755C 755Cs 2010 Rear Connector Door 2015 Foot Liv amp doe yori al 2020 Battery Pack 2030 Diskette Drive 2035 Hard Disk Drive 2040 Keyboard Unit 2 2050 IC DRAM Card 2055 DIMM and DIMM Adapter 755C 755Cs 2056 Diskette Drive Bezel 2060 Status Indicator 2070 LCD Assembly 2080 Speaker Shield Assembly 2085 Audio Card 2090 Interposer Card
227. f the error symptom is listed in the Symptom to FRU Index for the computer you are servicing How to Read POST Error Messages POST error messages are displayed on the screen as three four five or eight digits The error messages that can be displayed as shorter POST messages are highlighted in this index Some digits will represent different information for SCSI errors versus non SCSI errors The following example shows which digits display the shorter POST error messages and also defines the SCSI information in an eight digit error message Shorter POST Messages 0 0 0 0 0 0 0 0 SR SCSI Slot Number SCSI Logical Unit Number SCSI ID SCSI Reserved Device Code All SCSI devices are set to a different SCSI ID Duplicate SCSI ID settings can generate a false error message Use the SCSI ID to determine whether the error message is coming from an internal or an external device 6 IBM Mobile Systems HMM Safety Notices Multi lingual Translations In this manual safety notices appear in English with a page number reference to the appropriate multi lingual translated safety notice found in this section The following safety notices are provided in English French German Italian and Spanish languages Safety Notice 1 Before the computer is powered on after FRU replacement make sure all screws springs or other small parts are in place and
228. f the voltage is more than 8 0 V dc measure the resistance between battery terminals 3 and 4 The resistance must be 4 to 30 K ohm If the resistance is not correct replace the battery pack If the resistance is correct replace the DC DC card 5 To check the charging circuit do the following Note Be careful not to cause a short circuit Plug in the AC Adapter with the battery pack removed then power on the computer 6 Measure the charging voltage between DC DC terminals 1 and 4 7 If the voltage is less then 9 0 V dc replace the DC DC card If the voltage is more than 9 0 V dc ThinkPad 755CE 755CSE 755CV 755CX 9545 401 the charging circuit is working correctly replace the battery pack Checking the Car Battery Adapter Note There are several types of adapters but the checkout procedure is the same for both of them 1 Unplug the Car Battery Adapter cable from the computer 2 Plug the Car Battery Adapter into the cigarette lighter socket Note If the adapter is already plugged in reseat it 3 Measure the output voltage of the Car Battery Adapter cable See the following figure Sa 2 1 Pin Voltage V dc 1 19 0 to 21 0 2 3 Ground e If the voltage is correct and the power on indicator on the Car Battery Adapter is on all the time the Car Battery is working correctly Replace the system board If the problem is not resolved when the system board is replaced
229. fluid are present after washing Si le panneau d affichage a cristaux liquides se brise et que vous recevez dans les yeux ou sur les mains une partie du fluide rincez les abondamment pendant au moins quinze minutes Consultez un m decin si des sympt mes persistent apr s le lavage Die Leuchtstoffr hre im LCD Bildschirm enth lt Quecksilber Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Der LCD Bildschirm besteht aus Glas und kann zerbrechen wenn er unsachgem behandelt wird oder der Computer auf den Boden f llt Wenn der Bildschirm besch digt ist und die darin befindliche Fl ssigkeit in Kontakt mit Haut und Augen ger t sollten die betroffenen Stellen mindestens 15 Minuten mit Wasser abgesp lt und bei Beschwerden anschlie end ein Arzt aufgesucht werden Nel caso che caso I LCD si dovesse rompere ed il liquido in esso contenuto entrasse in contatto con gli occhi o le mani lavare immediatamente le parti interessate con acqua corrente per almeno 15 minuti poi consultare un medico se i sintomi dovessero permanere Si la LCD se rompe y el fluido de su interior entra en contacto con sus ojos o sus manos lave inmediatamente las reas afectadas con agua durante 15 minutos como m nimo Obtenga atenci n medica si se presenta alg n s ntoma del fluido despues de lavarse Introduction 11 m Safety Notice 6 To avoid shock do not remove the plastic cover that surrounds the lower por
230. following table shows the Fn key and function key combinations and their corresponding functions The Fn key works independently from the operating system The operating system obtains the status through the system management interface to control the system Fn Description F1 Reserved F2 Fuel gauge display ON OFF F3 Standby mode invocation F4 Suspend mode invocation F5 Reserved F6 Reserved F7 LCD CRT display switching F8 Reserved F9 Reserved F10 Reserved F11 Power management mode switching Toggles High power Intelligent Economy F12 Hibernation invocation How To Run the Keyboard Diagnostics Do the following to run the keyboard test 1 Go to the advanced diagnostic screen menu by pressing Ctrl A in Easy Setup menu 2 Go to the keyboard diagnostic test menu by pressing Ctrl K 3 Check that when each key is pressed the key position on the keyboard layout on the screen changes to a black square Note When a Fn key is pressed a black square briefly appears 348 IBM Mobile Systems HMM Product Overview The following table shows an overview of the system features Feature Description Processor Intel 486DX4 100 33 MHz Bus Architecture e AT Bus e VESA Local Bus for video subsystem Memory 8MB on the system board Standard Memory Option card max 16 MB 2 4 8 16MB Basic IC DRAM 4 8 16MB DIMM card max 40
231. for this model Miscellaneous Symptoms Symptom Error FRU Action Power on password is not reactivated 1 Check the power on password switch position Problem occurs only when port replicator installed 1 Port Replicator No beep and a blank or unreadable display during POST 1 See Power Systems Checkout on page 71 before replacing any FRUs 2 Processor Card 3 System Board 4 Video Card 5 Hard Disk Drive 6 Base Memory Card 7 Any option or device 8 Power source in use when failure occurs 9 Voltage Converter 10 Speaker No beep with a blinking 1 System Board cursor 2 Processor Card 3 Any Option or Device No beep with a normal 1 Speaker display during POST 2 System Board 3 Keyboard Control Card 4 Voltage Converter No beep and the system 1 System Board hangs with CP XX at the 2 Processor Card right bottom corner of the screen No beep and the system 1 System Board hangs after displaying the 2 Processor Card memory count 3 Hard Disk Drive 4 Coprocessor No boot with blank screen 1 System Board Extra horizontal or vertical 1 LCD lines displayed on upper or 2 Video Card lower half of the LCD 3 System Board ThinkPad 700 700C 720 720C 9552 89 Symptom Error FRU Action LCD screen unreadable or characters missing pels LCD too dark unable to adjust contrast or brightness 1 See important note for LCD F
232. for customer use appears differently This is not a hardware problem See the following table for the available memory size of each card Note For Models 370C 755C and 755Cs one of two types of memory cards can be used IC DRAM card or DIMM card If DIMM cards are installed replace IC DRAM with DIMM in the following IC 750 750C 750Cs 355x 360x 370C DRAM 750P 750Ce 755C 755Cs 0 MB 3904 KB 3712 KB 2 MB 5952 KB 5760 KB 4 MB 8000 KB 7808 KB 8 MB 12096 KB 11904 KB 16 MB 20288 KB 20096 KB DIMM 370C 755C 755Cs 0 MB 3712 KB 4 MB 7808 KB 8 MB 11904 KB 12 MB 16000 KB 24 MB 28288 KB 16 MB 20096 KB 20 MB 24192 KB 32 MB 36480 KB Memory errors might stop system operations show error messages on the screen or hang the system The computer detects memory parity errors but does not correct them Use the following procedure to isolate memory problems m Notes on Memory Errors e For Models 355x 360x and 370C ignore any references to parity errors e DIMM Adapter and DIMM card are not supported for 355x and 360x Remove them if installed 1 Installing a non parity memory card causes memory errors Before you go to the next procedure check whether or not the memory card use parity or non parity If the non parity memory card is installed disable the parity check on Easy Setup configuration screen 2 Make sure that the memory card is
233. for reference when replacing parts Step Location Quantity Length Upper cover 2 8mm Note Make sure you use the correct screw 266 IBM Mobile Systems HMM Notes for when replacing 1 When replacing the keyboard check that the three cables are clean and inserted straight and fully into the connectors Slide both ends of each latch at the same time to make sure that each cable is correctly inserted Go to Keyboard Auxiliary Input Device Checkout on page 203 and test all keys before returning the computer to the customer When replacing the upper cover insert the two latches located rear side of the cover into the guide of the foot of the LCD push the right left and front sides to snap into place Be careful not to damage the suspend resume switch when putting on the cover ThinkPad 355x 360x 370C 750x 755C 755Cs 267 2050 IC DRAM Card e Battery Pack 2020 e Diskette Drive 2030 For Models 370C 755C and 755Cs one of two types of memory card can be used IC DRAM card or DIMM card Warning The IC DRAM card is sensitive to physical shock Incorrect handling of the card can damage it The eject tape P N 53G9318 must be used to remove the card Note For Models 370C 755C and 755Cs one of the following combinations occupies the slot depending on the configuration e IC DRAM card IC DRAM card base e DIMMs on DIMM adapter 268 IBM Mobile Systems HMM 20
234. frared Transceiver Checkout The infrared transceiver is located on the inverter card in the ThinkPad 701C 701CS When you run diagnostics on the infrared transceiver the test is actually checking the top system board not the infrared transceiver itself Therefore complete the following steps before running diagnostics or replacing any FRUs ThinkPad 701C 701CS 2630 137 If the customer cannot establish a connection between the ThinkPad 701C 701CS and a remote system perform the following steps 1 Ensure that the device the customer attempted to connect with is an Infrared Data Association IRDA compliant device Check to make sure that both systems are using the same revision level of the same software Check setup options on both systems to ensure that the baud rate and other setup parameters are the same Check the Configuration Utility to ensure that the infrared transceiver is assigned to the same serial port that is designated in the application software and that the IRQ assignment is not shared with any other device such as the internal modem or external serial port on the MultiPort Il Verify that the two systems are in close proximity less than 1 meter 3 2 feet apart for IRDA compliant devices and that the infrared transceiver window on the ThinkPad 701C 701CS is aligned with directly opposite the remote device s window Ensure that the windows on both systems are clean and unobstructed If the two s
235. fully installed into the connector Loose connection can cause an error ThinkPad 355x 360x 370C 750x 755C 755Cs 201 3 Power off the computer and remove the IC DRAM card or DIMM card from its slot if installed 4 Press and hold the F1 key then power on the computer Hold the F1 key down until Easy Setup screen appears 5 Select Test and press enter 6 Select Memory and press enter to run the memory test on base memory If an error appears replace the system board 7 Power off the computer and reinstall the IC DRAM card then power on the computer Verify the memory size then test the memory If an error appears replace the IC DRAM card If memory problems occur intermittently use the loop option to repeat the test When the test detects an error an error log is printed on the printer connected to the parallel port See Error Log on page 229 for more information If a parity error is logged in CMOS POST error code 118 appears when the power is turned on To clear the log and to test the memory run the memory diagnostic If no error is detected by the test the log is cleared and error code 118 will not appear the next time the POST is run If the 118 error code occurs repeatedly determine and replace the failing memory FRU FRUs should not be replaced because of a single un reproducible failure Single failures can occur from a variety of reasons that have nothing to do with a hardware defect such as c
236. g into the socket and push it into the socket firmly The card is fully inserted when the gold connectors are almost completely concealed by the SO DIMM socket and only the top of each connector is visible ThinkPad 701C 701CS 2630 179 Warning The card will not lock into place if it has not been fully inserted into the socket 9 Once the card is fully inserted into the socket press the card down until it locks into place It is held in place by two tabs one on either side of the card 10 Replace the SO DIMM door 11 Reattach all cables and other devices including the AC adapter and power on the computer 12 Verify that the memory count displayed during the POST is correct See Memory Checkout on page 128 for information on memory size 180 IBM Mobile Systems HMM Locations System Front View Latches LCD Keyboard Click Buttons TrackPoint III Fn Key Status Indicators See Reading Status Indicators on page 155 ofen eo ThinkPad 701C 701CS 2630 181 System Left Side View HI Power Jack Power Switch Parallel Diskette Drive Connector E Microphone In Jack E Line In Jack IH Headphone Speaker Out Jack Q fll bre Q J System Right Side View Battery Pack Hard Disk Drive kg PCMCIA Access Port Slot for Kensington Lock ry Seo 182 IBM Mobile Systems HMM Syste
237. g the Voltage Converter 700 700C Use the following procedure to isolate a problem with the ThinkPad 700 700C voltage converter Note If the problem only occurs when using the computer with a good battery pack replace the voltage converter 1 Power off the computer 2 Power off all attached devices and disconnect them from the computer 3 Unplug the AC adapter cable and remove the battery pack from the computer 4 Carefully place the computer bottom side up and remove the bottom cover 5 Plug the AC adapter cable into the computer 6 Power on the computer m Important Be careful not to actuate the suspend switch located between the Esc key and the LCD during the operation When you turn the computer upside down with the LCD opened put something under the computer to prevent accidentally actuating the suspend switch 7 Check the voltages of the voltage converter on the system board See the following figure Signal V de Min V dc Max VA 4 75 5 25 VG 4 75 5 25 VB 4 75 5 25 VC 3 42 3 78 PWRGOOD 4 00 5 25 ThinkPad 700 700C 720 720C 9552 77 Password Override Connecter PWRGOOD Note Only VOLT is marked on the system board Use the above figure to locate the VA VG VB VC and PWRGOOD signal names e Ifall voltages are correct the voltage converter is operating correctly e If the voltages are not correct go to the ne
238. ge V dc Signal 8 0 to 16 0 Send Thermal Ground NC NC NC NI OO al PR o rm Li ion Battery Pack Note Li ion battery is optional for Model 755CDV 324 IBM Mobile Systems HMM Terminal Voltage V dc Signal 1 8 0 to 13 0 Send Thermal Ground 2 3 4 5 RI Note Signal lines not used in these steps are used for communication between the system and the battery The storage switch is used to control the power to the internal microprocessor of the battery The storage switch should be set to off 0 only when the battery is going to be kept in storage for more than two months If the voltage is less than 8 0 V dc the battery pack has been discharged or is defective Recharge the battery If the recharging does not work go to Step 5 to check the charging circuit If the voltage is still less than 8 0 V dc after the recharging replace the battery If the voltage is more than 8 0 V dc measure the resistance between battery terminals 3 and 4 The resistance must be 4 to 30 K ohm If the resistance is not correct replace the battery pack If the resistance is correct replace the DC DC card To check the charging circuit do the following Plug in the AC Adapter with the battery pack removed then power on the computer Measure the charging voltage between DC DC terminals 1 and 4 If the voltage is less then
239. h corner of the PCMCIA slot is easy to remove Make sure that the screw stand is located when replace the slot Do not replace the slot without the screw stand Use the following table for reference when replacing parts Step Location Quantity Length PCMCIA slot upper 2 12mm A PCMCIA slot lower 2 14 mm Note Make sure you use the correct screw 286 IBM Mobile Systems HMM 2140 Processor Card 750Ce 755C 755Cs e Battery Pack 2020 e Diskette Drive 2030 e Hard Disk Drive 2035 e Keyboard Unit 2040 e Status Indicator 2060 e LCD Assembly 2070 e Speaker Shield Assembly 2080 e Audio Card 2085 e Interposer Card 2090 e DC DC Card 2100 e Backup Battery 2110 e Standby Battery 2105 e System Board Assembly 2120 e PCMCIA Slot Assembly 2130 Warning The system board can be damaged if the lower shield touches the system board components Carefully follow the next instruction In step EJ gradually raise the system board from the lower shield until all components of the system board just clear the tabs of the lower shield Be careful not to raise it too far While keeping the clearance to a minimum separate the system board from the lower shield by moving the system board straight forward as shown by step Kj Note In step FJ each screw has a flat washer and a lock washer When reinstalling the screws make sure that the lock washer is placed next to the head of the scre
240. hat the LCD cover is black when the firmly installed on the LCD LCD cover is 2 Diagnose the LCD assembly by installed following LCD Related Symptoms on page 336 The LCD is wavy when the computer is placed on the overhead projector Some overhead projectors interfere with the LCD of the computer Use another overhead projector The LCD stays on even when the LCD cover is removed Make sure that the switch on the rear of the LCD is not stuck If it is stuck release it with the tip of a ball point pen ThinkPad 755CD 755CDV 9545 337 Symptom Error FRU Action e Abnormal screen e Uneven color on the screen e Spot on the screen The computer has an intermittent problem when you use it on the overhead projector 1 Check that the white film on the LCD cover is clean Gently wipe the film with a dry soft cloth such as a lens cleaner 2 LCD Cover 3 Diagnose the LCD assembly by following LCD Related Symptoms on page 336 Note The customer may be responsible for repair costs if the LCD cover was damaged due to misuse excessive force scratch or liquid spilled by the customer Problem such as high environmental temperature might be the cause Use the stand supplied with the computer The remote control does not work 1 Check that two AAA alkaline batteries are installed in the remote control 2 Check that two AAA alkaline ba
241. he computer may not turn on Reinstall the card in this case Use the following table for reference when replacing parts Step Location Quantity Length Processor card assembly 14 mm Note Make sure you use the correct screw 452 IBM Mobile Systems HMM 1190 LCD Assembly e Battery Pack 1020 e Keyboard Unit 1080 e Status Indicator 1090 Note When removing the LCD cables MH pull the connector straight up Incorrect handling can damage the connector Use the following table for reference when replacing parts Step Location Quantity Length LCD hinge 4 4 mm Note Make sure you use the correct screw ThinkPad 755CE 755CSE 755CV 755CX 9545 453 m Safety Notice 5 Translation on page 11 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands immediately wash the affected areas with water for at least 15 minutes Seek medical care if any symptoms from the fluid are present after washing Note To clean the LCD gently wipe the LCD with a dry soft cloth Do not use alcohol or detergent to clean the LCD To avoid damaging the LCD do not scratch or apply any force to its surface 454 IBM Mobile Systems HMM 1195 LCD Rear Cover 755CV only Slightly push out and release the latches FJ ThinkPad 755CE 755CSE 755CV 755CX 9545 455 1200 Lower Shield Assembly 456 Battery Pack 1020 Diskette Driv
242. he corresponding key position on the keyboard layout on the screen Press the key again to remove the box Note The shaded box appears in Fn only during the first keyboard test of a diagnostics session 7 To exit from the test screen press Esc g If the tests detect a keyboard problem perform the following tasks one at a time to correct the problem Note Do not replace a nondefective FRU e Reseat the three cables e Replace the keyboard e Replace the top system board The following auxiliary input devices are supported for this computer through the MultiPort Il e Numeric keypad e Mouse PS 2 compatible e External keyboard standard PS 2 or with keyboard mouse cable If any of the above devices do not work reseat the cable connector and repeat the failing operation If the problem does not reoccur recheck the connector If the problem reoccurs repeat the operation with a device that is known to be good If the problem still reoccurs go to MultiPort II Checkout on page 134 ThinkPad 701C 701CS 2630 131 TrackPoint Ill Checkout If the TrackPoint IIl does not work check the configuration in the Configuration Utility by pressing PgDn to reach the I O Management screen If the setting for TrackPoint III is Off press the left or right arrow to change it to On If this does not correct the problem continue with the following procedure Note The TrackPoint IIl performs automatic compensations to adj
243. he LCD stays on even when the LCD cover is removed Make sure that the switch on the rear of the LCD is not stuck If it is stuck release it with the tip of a ball point pen e Abnormal screen e Uneven color on the screen e Spot on the screen 1 Check that the white film on the LCD cover is clean Gently wipe the film with a dry soft cloth such as a lens cleaner LCD Cover 3 Diagnose the LCD assembly by following LCD Related Symptoms on page 413 Note The customer may be responsible for repair costs if the LCD cover was damaged due to misuse excessive force scratch or liquid spilled by the customer N The computer has an intermittent problem when you use it on the overhead projector Problem such as high environmental temperature might be the cause Use the stand supplied with the computer 414 IBM Mobile Systems HMM Symptom Error FRU Action The remote control 1 Check that two AAA does not work alkaline batteries are installed in the remote control 2 Check that two AAA alkaline batteries in the remote control are at their normal energy voltage level 3 Enable the IR port of the computer with the ThinkPad Features program Disable the serial port at this time 4 Refer to the trouble shooting section in the Help menu of the Mind Path Presentation F X program Set up this program following the guide 5 If the preceding items are correct t
244. he advanced diagnostic test If an error occurs and a FRU code is displayed replace the parts shown by the FRU code 4 For Model 755CDV if the remote control is enabled the communication with the IR port is disabled Run the Mind Path Presentation F X program and set the infrared to OFF then observe the symptom Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors FRUs replacement should only be considered when a recurring problems exits When analyzing the intermittent problem do the following iy 2 3 342 Run the advanced diagnostic test for the system board in loop mode at least 10 times If no error is detected do not replace any FRUs If any error is detected replace the FRU shown by the FRU code Rerun the test to verify that no more errors exist IBM Mobile Systems HMM Undetermined Problems You are here because the diagnostic tests did not identify which adapter or device failed installed devices are incorrect a short circuit is suspected or the system is inoperative Follow the procedures below to isolate the failing FRU do not isolate non defective FRUs Verify that all attached devices are supported by the computers Verify that the power supply being used at the time of the failure is operating correctly See
245. he keyboard mouse hard disk drive parallel connector diskette drive or the AC Adapter is plugged in The time is specified by Suspend Timer in the ThinkPad Features program The battery condition is low The battery power indicator blinks orange The PS2 OFF command is set in the ThinkPad Features program Events that cause exiting or resuming of suspend mode Resume The LCD is opened Resume The keyboard is closed Resume Real time clock alarm signaled Resume Ring indicator RI signaled by serial or PCMCIA device Resume The Fn key is pressed Exit Timer conditions are satisfied to enter hibernation mode Hibernation Mode When in hibernation mode the following occurs The system status RAM VRAM and setup data are stored on the hard disk The system is powered off The computer cannot enter hibernation mode when 214 A serial mouse or other pointing device is selected in the Config menu The computer is powered with ac power and one of the following IBM PC cards is used PCMCIA Data FAX Modem High Speed PCMCIA Data FAX Modem 3270 Emulation Credit Card Adapter 5250 Emulation Credit Card Adapter Token Ring 16 4 Credit Card Adapter Credit Card Adapter for Ethernet IBM Mobile Systems HMM Events that cause entering of hibernation mode e The hibernation mode is requested by the Fn key Fn F 12 e Timer conditions are satisfied in suspend mode e Critical low
246. he left or right click button 4 Verify that both buttons work correctly If either the pointing stick or the click button will not work do the following actions one at a time to correct the problem Do not replace a non defective FRU e Reseat the three keyboard cables e Replace the keyboard e Replace the system board Diskette Drive Test Do the following to isolate the problem to a controller drive or diskette A scratch write enabled non defective 2HD diskette is required Note Make sure that the diskette does not have more than one label attached to it Multiple labels can cause damage to the drive or can cause the drive to fail 1 Do following to select the test device e Select the advanced diagnostic mode and select Tool then select the icon FDD and press the 28 IBM Mobile Systems HMM space key A v mark appears next to the selected icon Insert the blank diskette when instructed Run the diskette drive test 3 If the controller test detects an error FRU code 10 appears Replace the system board 4 lf the controller test runs without errors the drive read write tests start automatically 5 If the drive test detects an error FRU code 50 appears If the diskette itself is known to be good replace the drive If no errors occur at the FDD position the drive is not defective Power Systems Checkout To verify the symptom of the problem power on the computer using each of the power sources av
247. he radiation from the light of the overhead projector might be interfering the IR port of the computer Disable the rear IR port of the computer and use the remote control with the front IR port 6 Use the remote control with another computer which IR port works normally If the remote control does not work the remote control is not working properly If there is still a problem refer to Infrared Related Symptoms on page 418 ThinkPad 755CE 755CSE 755CV 755CX 9545 415 Keyboard TrackPoint Ill Related Symptoms Symptom Error FRU Action Keyboard one or more keys does not work 1 Reseat the three keyboard cables Keyboard Interposer Card System Board PN TrackPoint III does not work Go to TrackPoint III Checkout on page 396 Keyboard Interposer Card System Board Pi Pointer moves automatically or does not work correctly 1 See TrackPoint III Checkout on page 396 Indicator Related Symptoms Symptom Error FRU Action Indicator incorrectly remains off or on but system runs correctly 1 Reseat the status indicator cable Status Indicator Interposer Card System Board Pw Battery power status indicator blinks from green yellow to orange 1 Check that a correct battery is installed 2 Set the battery storage switch to ON Battery Pack DC DC Card 5 System Board 90 Power Related Symp
248. he verified symptom to determine which page to go to Search the symptoms column and find the description that best matches your symptom then go to the page shown in the Go to column Symptom Go to Power failure The power indicator does not go on or stay on Power Systems Checkout on page 207 POST does not complete No beeps error code are indicated Symptom to FRU Index on page 216 and then use the No Beep Symptoms table POST beeps but no error codes are displayed Symptom to FRU Index on page 216 and then use the Beep Symptoms table POST detected an error and displayed numeric error codes Symptom to FRU Index on page 216 and then use the Numeric Error Codes table The diagnostic test detected an error and displayed an FRU code FRU Codes on page 220 The configuration is not the same as the installed devices Checking the Installed Devices List on page 230 Other symptoms such as LCD display problems Symptom to FRU Index on page 216 and then use other miscellaneous symptoms tables Symptoms cannot be recreated Intermittent problems Use the customer reported symptoms and go to Symptom to FRU Index on page 216 TV Tuner Problems See TV Tuner on page 477 200 IBM Mobile Systems HMM Memory Checkout Depending on the model the memory size that is available
249. hen replace the other processor or system board e f an adapter or device consists of more than one FRU an error code may be caused by any of the FRUs Before replacing the adapter or device remove the FRUs one by one to see if the symptoms change Replace only the FRU that changed the symptoms Warning A customized setup configuration other than default settings may exist on the computer you are servicing Running Automatic Configuration may alter those settings Note the current configuration settings using the View Configuration option and verify that the settings are in place when service is complete Introduction 5 The advanced diagnostic tests are intended to test only IBM products Non IBM products or modified options can give false errors and invalid responses Hard Disk Drive Replacement Strategy Always try to run a low level format before replacing a hard disk drive Warning The drive startup sequence in the computer you are servicing might have been changed Be extremely careful during write operations such as copying saving or formatting Data or programs can be overwritten if you select an incorrect drive How to Use Error Messages Use the error codes displayed on the screen to diagnose failures If more than one error code is displayed begin the diagnosis with the first error code The cause of the first error code can result in false error codes being displayed If no error code is displayed see i
250. hen the system board is replaced the system unit serial number must also be restored Use the Set system identification utility on the maintenance diskette to restore the number Do not power off the computer when restoring the VPD The serial number label is attached to the bottom cover ThinkPad 355x 360x 370C 750x 755C 755Cs 257 Notes LE Before removing and replacing the system board make sure that the PCMCIA cards are removed and the eject levers are not sticking out When replacing the system board assembly align the power key slide hub with the power switch actuator by moving the power key in the direction of the arrow See the large circle in the figure Before tightening any screws check that the power switch operates correctly Do not pull the PCMCIA slot assembly while removing the system board Use the following table for reference when replacing parts Step Location Quantity Length Hinge bracket 4 4mm A Base cover lower shield 1 4 mm Note Make sure you use the correct screw 258 IBM Mobile Systems HMM 1130 PCMCIA Slot Assembly e Battery Pack 1020 e Diskette Drive 1030 e Hard Disk Drive 1035 e Keyboard Unit 1040 e Status Indicator 1060 e LCD Assembly 1070 e Modem Card 1080 e Speaker Shield Assembly 1090 e Interposer Card 1095 e DC DC Card 1100 e Backup Battery 1110 e Standby Battery 1115 e System Board Assembly 1120
251. hr Inhalt nicht mit Wasser in Verbindung gebracht oder der zur richtigen Polung angebrachte Verbindungsstecker entfernt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren La batteria di supporto e una batteria al litio e puo incendiarsi esplodere o procurare gravi ustioni Evitare di ricaricarla smontarne il connettore polarizzato smontarla riscaldarla ad una temperatura superiore ai 100 gradi centigradi incendiarla o gettarla in acqua Smaltirla secondo la normativa in vigore DPR 915 82 successive disposizioni e disposizioni locali L impiego di una batteria non adatta potrebbe determinare l incendio o l esplosione della batteria stessa La bateria de repuesto es una bateria de litio y puede provocar incendios explosiones o quemaduras graves No la recargue ni quite el conector polarizado ni la desmonte ni caliente por encima de los 100 C 212 F ni la incinere ni exponga el contenido de sus celdas al agua Des chela tal como dispone la normativa local 10 IBM Mobile Systems HMM m Safety Notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands immediately wash the affected areas with water for at least 15 minutes Seek medical care if any symptoms from the
252. hts any functionally equivalent product program or service may be used instead of the IBM product program or service The evaluation and verification of operation in conjunction with other products except those expressly designated by IBM are the responsibility of the user IBM may have patents or pending patent applications covering subject matter in this document The furnishing of this document does not give you any license to these patents You can send license inquiries in writing to IBM Director of Licensing IBM Corporation 500 Columbus Avenue Thornwood NY 10594 U S A Trademarks The following terms denoted by an asterisk in this publication are trademarks of the IBM Corporation in the United States and or other countries AIX AT FaxConcentrator HelpCenter HelpClub HelpLearn HelpWare IBM Micro Channel 0S 2 Personal System 2 PS 2 PS Note Portmaster Skill Dynamics SystemXtra ThinkPad Trackpoint TrackPoint Il XGA The following terms denoted by a double asterisk in this publication are trademarks of other companies ActionMedia Intel Corporation DCA Digital Communications Associates Inc PCMCIA Personal Computer Memory Card International Association PenDOS Communications Intelligence Corporation PenPoint GO Corporation Prodigy Prodigy Services Company VESA Video Electronics Standards Association Intel is a trademark or registered trademark of Intel Corporation Miscellaneous Information 497
253. ice computers e The majority of the manual consists of product specific sections that include service reference and product specific parts information e The Common Devices Checkout section provides procedures for testing the devices that are commonly attached to ThinkPad computers e The Miscellaneous Information section contains information about acronyms abbreviations terms and a telephone number listing m Important This manual is intended for trained servicers who are familiar with ThinkPad products Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively Before servicing an IBM mobile product be sure to review the safety information under Safety Notices Multi lingual Translations on page 7 and Safety Information on page 14 Trademark of the IBM Corporation Related Publications The following mobile product publications are available through IBM or your IBM Authorized Dealer Publication Part Form Number Thinkpad Computers Mobile Systems HMM Volume 1 Laptop Notebook Portable and 30H2356 S82G 1501 01 ThinkPad 700 9552 HMS 42G2016 S42G 2016 ThinkPad 700 9552 HMR 42G2015 S42G 2015 ThinkPad 700C 9552 HMS 42G2022 S42G 2022 ThinkPad 700C 9552 HMR 42G2021 S42G 2021 ThinkPad 720 720C 9552 HMS 61G1193 S61G 1193 ThinkPad 720 720C 9552 HMR 61G1187 S
254. ices Note A graphic message prompts you to attach the selected test tools Select OK and press Enter if the selection is correct Select a device and press Enter to start the tests Select Test All to test all devices Select Looptest to loop tests A loop option menu appears in which you can select a loop test for one or more devices Select a device and press the spacebar or click key A v mark appears for the selected device Repeat this step to select multiple devices Press Enter to start the diagnostics loop If no device is selected all device tests are looped 10 To exit the loop keep pressing Ctrl Pause until the test exits The system emits a beep sound to notify you that the test program has received the exit interrupt 11 Press Esc to exit the test screen 12 Choose Restart to leave Easy Setup and restart your system OON 156 IBM Mobile Systems HMM 13 Select OK or press Enter to confirm the restart Printing and Displaying Error Logs Diagnostics errors are printed on the printer that is attached to the parallel port when the error is detected The error is also logged in the system memory Use the following procedure to display the errors 1 End the test if it is running 2 Press Ctrl A to enter the advanced diagnostics 3 Press Ctrl E 4 The error log appears 5 To exit the screen select Cancel or press Esc The error log is not saved when system power is turned off Checking Installe
255. il Easy setup screen appears Select Test and press Enter Select a device and press Enter to run the test The test progress screen appears OK appears when the test ends without any errors Start the Advanced Diagnostic test by pressing Ctrl A on the basic diagnostic menu screen Select Tool to install the tools Select a device press the space key and install the tool Multiple devices can be selected by repeating this step A V mark appears for the selected device Select OK and press Enter if the selection is OK Select a device and press Enter to start the tests Select Test All to test all devices Select Loop Test to loop tests A loop option menu appears in which a device loop or all loop can be selected Select a device and press the space key to select a device Repeat this step to select multiple devices Press Enter to start the diagnostic loop If no device is selected all device tests are looped To exit the loop keep pressing Ctrl Pause until the test exits A beep sounds 750Ce 755C 755Cs to notify that the exit interrupt is sensed by the test program Error Log Diagnostic errors are printed on the printer that is attached to the parallel port when the error is detected The error is also logged in the system memory Do the following procedure to display the errors 1 2 3 4 End the test if it is running Press Ctrl A to select the advanced diagnostic mode Press Ctrl E The error log app
256. ime the power switch is operated System cannot power on due to low battery voltage Connect the AC Adapter or install a fully charged battery One beep every second System is shutting down due to low battery voltage Connect the AC Adapter or install a fully charged battery allows system to complete shutdown before changing the battery ThinkPad 355x 360x 370C 750x 755C 755Cs 221 Symptom Error FRU Action Two short beeps with error codes POST error See Numeric Error Codes on page 217 Two short beeps with blank screen System Board No Beep Symptoms Symptom Error FRU Action No beep power on indicator not on and a blank LCD 1 Go to Power Systems Checkout during POST on page 207 2 System Board 3 DC DC Card 4 Power sources No beep power on indicator 1 System Board on and a blank LCD during 2 DC DC Card POST 3 Processor Card 370C 750Ce 755C 755Cs No beep power on indicator on and a blinking cursor only during POST System Board 2 Processor Card 370C 750Ce 755C and 755Cs 3 DC DC Card No beep during POST but system runs correctly 1 Turn the volume up and check the speaker 2 Speaker Audio Card DC DC Card Bw 222 IBM Mobile Systems HMM LCD Related Symptoms The TFT LCD of the notebook computers contain over 921 000 thin film transisto
257. ing over charged or having a shortened life Before you do the following steps check the following e The correct battery pack is used for the model e The storage switch set to on 1 Power off the computer ThinkPad 755CE 755CSE 755CV 755CX 9545 399 2 Remove the battery pack and measure the voltage between battery terminals 1 and 4 See the following figure Ni MH Battery Pack Terminal Voltage V dc Signal 8 0 to 16 0 Send Thermal Ground NC NC NN ODO oO PB o rm NC 400 IBM Mobile Systems HMM Li lon Battery Pack Note Li ion battery is optional for Model 755CV and standard for Model 755CX Terminal Voltage V dc Signal 1 8 0 to 13 0 2 Send 3 Thermal 4 Ground 5 Select Note Signal lines not used in these steps are used for communication between the system and the battery The storage switch is used to control the power to the internal microprocessor of the battery The storage switch should be set to off 0 only when the battery is going to be kept in storage for more than two months 3 If the voltage is less than 8 0 V dc the battery pack has been discharged or is defective Recharge the battery If the recharging does not work go to Step 5 to check the charging circuit If the voltage is still less than 8 0 V dc after the recharging replace the battery 4 I
258. inkPad 355x 360x 370C 750x 755C 755Cs 197 What to Do First Before checking problems with the computer determine whether or not the damage applies to the warranty by referring to the following Note for Warranty During the warranty period the customer may be responsible for repair costs if the damage was caused by misuse accident modification unsuitable physical or operating environment or improper maintenance by the customer The following list provides some common items that are not covered under warranty and some symptoms that could indicate that the system was subjected to stresses beyond normal use Warranty Coverage Notes The following is not covered under warranty e LCD panel cracked from being dropped or applying too much force e Scratched cosmetic parts e Cracked or broken plastic parts broken latches broken pins or connectors caused by excessive force e Damage caused by liquid spilled onto the system e Damage caused by improperly inserting a PCMCIA card or installation of an incompatible card e Damage due to foreign material in the FDD or FDD bay e Damage to the diskette drive caused by pressing the diskette drive cover or inserting diskettes with multiple labels e Diskette eject button was bent or damaged e Damage to the CD ROM drive caused by excessive force shocked or dropped e Fuse blown by attaching non supported device e Computer or hard disk could not be used becau
259. inserting the board and to ensure a complete connection between the board to board connectors Removing and Replacing the SO DIMM Card Warning The SO DIMM card is sensitive to physical shock Incorrect handling of the card can damage it To remove a SO DIMM card follow these steps 1 2 3 178 Power off the computer Remove the battery Disconnect all cables and other devices including the AC adapter Close the computer and turn it upside down Open the SO DIMM door IBM Mobile Systems HMM 9 10 Press the metal tabs on each side of the SO DIMM away from the card The card should raise slightly as the tabs are pulled away from it Remove the card by holding it at a 15 to 20 degree angle and pulling it firmly away from the SO DIMM socket Replace the SO DIMM door Reattach all cables and other devices including the AC adapter Power on the computer The computer will display error code 164 To insert a SO DIMM card follow these steps 1 2 3 4 5 6 Power off the computer Remove the battery Disconnect all cables and other devices including the AC adapter Close the computer and turn it upside down Remove the SO DIMM door Locate the notch on the SO DIMM Warning Do not insert the SO DIMM too far You might damage the SO DIMM or SO DIMM socket 7 Position the card at a 15 to 20 degree angle to the SO DIMM socket with the notch facing to the right when you are lookin
260. ion at the left rear corner of the Use the following table for reference when replacing parts Step Location Quantity Length El Speaker shield 4 4mm Hard disk drive connector 2 6 mm Bi System board 1 16 mm System board spacer 1 16 mm Diskette drive connector 2 6 mm Note Make sure you use the correct screw Notes 1 shows the correct position of the spacer 2 H isa shield for radio frequency interference ThinkPad 355x 360x 370C 750x 755C 755Cs 279 2085 Audio Card Note Refer to Product Overview on page 232 to see whether the audio card is standard or not Battery Pack 2020 Diskette Drive 2030 Hard Disk Drive 2035 Keyboard Unit 2040 Status Indicator 2060 LCD Assembly 2070 Speaker Shield Assembly 2080 2090 Interposer Card e Battery Pack 2020 Diskette Drive 2030 Hard Disk Drive 2035 Keyboard Unit 2040 Status Indicator 2060 LCD Assembly 2070 Speaker Shield Assembly 2080 Audio Card 2085 280 IBM Mobile Systems HMM 2100 DC DC Card e Battery Pack 2020 e Diskette Drive 2030 e Hard Disk Drive 2035 e Keyboard Unit 2040 e Status Indicator 2060 e LCD Assembly 2070 e Speaker Shield Assembly 2080 e Audio Card 2085 e Interposer Card 2090 Notes 1 When replacing the DC DC card put the spacer H o
261. is required because the temperature has exceeded its normal temperature range This symptom does not indicate a hardware problem No service actions are necessary if the pointer movement stops in a short period of time If a click button problem or pointing stick problem occurs do the following 1 Go to Easy Setup screen 2 Select an item with the pointing stick 3 Press either the left or right click button 4 Verify that both buttons work correctly If either the pointing stick or the click button will not work do the following actions one at a time to correct the problem Do not replace a non defective FRU e Reseat the three keyboard cables e Replace the keyboard e Replace the interposer card 204 IBM Mobile Systems HMM e Replace the system board Pen and Digitizer Checkout 360P 360PE 750P To check the stylus pen and digitizer do the following 1 Press and hold the F1 key 2 Power on the computer to go to Easy Setup screen 3 Select Test by using the stylus pen 4 Ifthe test menu appears the pen and digitizer are operating correctly If the menu does not appear do the following a Do the Digitizer Adjustment b If the problem remains replace the stylus pen c If the problem still remains after step 6 in the adjustment replace the LCD assembly Digitizer Adjustment Adjust the pen point pressure when e The LCD is replaced with a new one e The LCD is changed to a pen LCD from a monoch
262. isable then enable hibernation mode 199XX 1 System Board 1XX 1 System Board 2XX 1 Go to Memory Checkout on page 201 2 IC DRAM Card DIMM or DIMM Adapter 3 System Board 218 IBM Mobile Systems HMM Symptom Error FRU Action 301 303 304 305 3XX Al PL DOO Go to Keyboard Auxiliary Input Device Checkout on page 203 Keyboard Interposer Card External Numeric Keypad External Keyboard Keyboard Mouse Cable System Board 601 6XX w Go to Diskette Drive Test on page 206 Diskette Drive Assembly Diskette System Board 602 Diskette read error Go to Diskette Drive Test on page 206 Diskette Diskette Drive Assembly 604 Non acceptable ID was read from the diskette drive Q Go to Diskette Drive Test on page 206 Diskette Drive Assembly System Board 11XX uNa Serial Device First Communication Cable System Board 12XX oN Serial Device Second Communication Cable System Board 17XX mai Hard Disk Drive System Board 24XX System Board 4101 WN Reseat the LCD connector Pen see 2070 LCD Assembly on page 274 LCD Assembly System Board 808X oN PCMCIA Slot Assembly PCMCIA Device System Board 860X Pointing device error when TrackPoint Il is disabled ees External Mouse External Keyboard System Boa
263. ith connector and contact shield Lift LCD Assembly from computer Place computer bottom side up So GEO N Three Screws S On bottom cover two at front right one at rear of math coprocessor access door Two Memory Bracket Screws S Five Screws 4 E 1 V From processor card and video card Memory Module Ribbon Cable At rear of diskette drive Piu eo i iw wir Diskette Drive Hold the eject button pressed while installing Make sure the flexible cable gets into the holder plate opening on the IC DRAM card Hard Disk Drive Have the customer backup all information before replacing the drive Never replace the hard disk drive when the system is operating or in suspend B m a 104 IBM Mobile Systems HMM IS De ISS Cy N N m w e mode Restore drive system information using the customer s backup copy of the system programs Three Keyboard Frame Screws S Two Screws T System Board Restore system configuration data Five Frame Stiffener Screws S Frame Stiffener Four Keyboard Screws S Keyboard One Screw S and Keyboard Control Card Two Screws R and Voltage Converter with Suspend Resume Pin Set the lever on the voltage converter to the middle position before installation Be sure the suspend pin is installed correctly before installing the voltage converter ThinkPad 700 700C 720 720C 9552 105 ThinkPad 700 Exploded View IBM Mobile Systems HMM
264. l Front View 189 MultiPort Il Rear View 189 Parts Listingi o es sa e i ee 190 Common Option Parts List 192 126 IBM Mobile Systems HMM Checkout Guide Service for U S and Canada In the U S and Canada the ThinkPad 701C 701CS is serviced only through EasyServe Use the following procedure as a guide for computer problems 1 Ask the customer for as much detail as possible about the failing symptoms 2 Verify the symptoms by attempting to recreate the failure either by running the diagnostics test or by repeating the same operation To run the diagnostics refer to Running the Diagnostics on page 156 3 Use the following table with the verified symptom to determine which page to go to Search the symptoms column and find the description that best matches your symptom then go to the page shown in the Go to column Note Before replacing any FRU see FRU Removals and Replacements on page 161 Symptom Go to Power failure The power indicator does not go on or stay on Power Systems Checkout on page 135 POST does not complete No beeps or error codes are indicated No Beep Symptoms on page 146 POST beeps but no error codes are displayed Beep Symptoms on page 145 POST detected an error and displayed numeric error codes Numeric Error Codes on page 142 The diagnostics test detec
265. l Checkout on page 317 2 If FRU code 10 appears replace the system board but do not replace the processor card Transfer the processor card from the old system board to the new system board 3 If FRU code 11 appears reseat the processor card 4 Rerun the test to verify the fix 5 If FRU code 11 remains replace the processor card If above procedure does not correct the problem go to Undetermined Problems on page 343 ThinkPad 755CD 755CDV 9545 319 Keyboard Auxiliary Input Device Checkout Remove the external keyboard if the internal keyboard is to be tested If the internal keyboard does not work or an unexpected character appears make sure that the three flexible cables extending from the keyboard are correctly seated in the connectors on the interposer card If the keyboard cable connection is correct run the Keyboard Test by doing the following 1 Go to diagnostic menu screen by pressing Ctrl A in the Easy Setup screen 2 Press Ctrl K a layout of the keyboard appears on the screen 3 Check that when each key is pressed the key position on the keyboard layout on the screen changes to a black square Note When a Fn key is pressed a black square briefly appears If the tests detect a keyboard problem do the following one at a time to correct the problem Do not replace a non defective FRU e Reseat the three cables e Replace the keyboard e Replace the Video Card Assembly e Repl
266. l inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication IBM may make improvements and or changes in the product s and or the program s described in this publication at any time This publication was developed for products and services offered in the United States of America IBM may not offer the products services or features discussed in this document in other countries and the information is subject to change without notice Consult your local IBM representative for information on the products services and features available in your area Requests for technical information about IBM products should be made to your IBM reseller or IBM marketing representative Copyright International Business Machines Corporation 1995 All rights reserved Note to U S Government users Documentation related to Restricted rights Use duplication or disclosure is subject to restrictions set forth in GSA ADP Schedule Contract with IBM Corp ii IBM Mobile Systems HMM About This Manual This manual contains service and reference information for IBM ThinkPad computer products Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively The manual is divided into sections as follows e The Introduction section provides general information guidelines and safety information required to serv
267. l ordinances or regulations Use of an incorrect battery can result in ignition or explosion of the battery Replacement batteries can be ordered from IBM or IBM Authorized Dealers ThinkPad 355x 360x 370C 750x 755C 755Cs 283 si 20 System Board Assembly m Important The EEPROM on the system board contains the vital product data VPD that is system unit serial number system board serial number and other computer unique data When the system board is replaced the system unit serial number must also be restored Use the Set system identification utility on the maintenance diskette to restore the number Battery Pack 2020 Diskette Drive 2030 Hard Disk Drive 2035 Keyboard Unit 2040 Status Indicator 2060 LCD Assembly 2070 Speaker Shield Assembly 2080 Audio Card 2085 Interposer Card 2090 DC DC Card 2100 Backup Battery 2110 Standby Battery 2105 Do not power off the computer when restoring the VPD The serial number label is attached to the bottom cover 284 IBM Mobile Systems HMM Notes 1 For Model 755C there are two types the system boards Make sure the correct system board by checking the part number in the part list After replacing the system board run the display test from the Easy Setup and use the Pause button to check the color graduations that are displayed after the Video Page screen If the color blocks in one column are all the same color replac
268. lacement Hinges are NOT part of the Model 700 or 720 mono LCD FRU do not return them with the FRU When replacing the Model 700 or 720 mono LCD remove the right and left hinge bracket supports and install them on the new LCD Return only the main FRU The left and right hinge bracket supports are included in the Mono Panel Cover Group Kit High Speed Modem Noise Problems A small number of high speed modems might produce a noise when the system is powered on To solve this problem copy PS2 EXE from the Reference Diskette to the root directory using the UINSTALL program Then add the following lines to the AUTOEXEC BAT file PS2 SET MODEM OFF PS2 SET MODEM ON If this does not solve the problem replace the modem 124 IBM Mobile Systems HMM ThinkPad 701C 701CS 2630 Checkout Guide 2 2 2 eee General Checkout Memory Checkout Keyboard Auxiliary Input Device Checkout eos TrackPoint III Checkout Diskette Drive Checkout 2 Hard Disk Drive Checkout MultiPort Il Checkout 2 2 Power Systems Checkout Infrared Transceiver Checkout PCMCIA Checkout 2 Symptom to FRU Index Numeric Error Codes 2 FRU COdeS asc iui ap ke een Soe ae ote Beep Symptoms No Beep Symptoms LCD Related Video Symptoms Keyboard and TrackPoint IIl Symptoms ee MultiPort Il Relat
269. lated Symptoms Indicator Related Symptoms Power Related Symptoms Function Audio Related Symptoms Peripheral Device Related Symptoms Other Symptoms Infrared Related Symptoms Intermittent Problems 2 Undetermined Problems Related Service Procedures Status Indicators How to Run the Diagnostics Error Log ini Po Ay Pag i he Reset Pushbutton Checking the Installed Devices List Password Combinations POP HDP PAP How to Run the Low Level Format PC Test Card LED Fn Key Combinations 2 How To Run the Keyboard Diagnostics Product Overview FRU Removals and Replacements 2010 Rear Connector Door 2015 Footer 5 acs a on Gee A te Eh a 2020 Battery Pack 2030 CD ROM Diskette Drive 2040 Hard Disk Drive 2050 IC DRAM Card or DIMM Adapter 2060 Keyboard Spacer 2080 Keyboard Unit 2 2090 Status Indicator 2100 Standby Battery and Front IR 2110 Backup Battery 2115 Logic Assembly 2120 Shield Assembly Copyright IBM Corp 1995 341 341 342 342 343 344 344 345 346 346 346 347 347 347 348 348 349 350 351 351 352 353 354 355 358 359 362 363 364 365 367 315 2125 Video Card or Rear IR 36
270. lay self test as follows 1 Power off the computer and display Disconnect the display signal cable Power on the display Set the contrast to its maximum position Set the brightness control to the center detent position CRON Check for the following conditions 470 IBM Mobile Systems HMM e You should be able to vary the screen intensity by adjusting the contrast and brightness controls e The screen should be white or light gray with a black margin test margin on the screen Note The location of the test margin varies with the type of display The test margin might be on the top bottom or one or both sides If you do not see a test margin on the screen replace the display If there is a test margin on the screen replace the system board Note On ThinkPad Models 700 700C 720C 720C do the following 1 Video card 2 System board External Keyboard Auxiliary Input Device Checkout The following auxiliary input devices may be available for IBM ThinkPad models Numeric keypad Mouse PS 2 compatible External keyboard with Keyboard Miniature Mouse cable e f you suspect a problem with any of the auxiliary input devices listed above replace the device If the problem is not corrected replace the following FRUs one at a time to correct the problem Keyboard control card System board e If the computer receives an incorrect keyboard response remove other external devices check
271. layout on the screen changes to a black square Note When a Fn key is pressed the black square briefly appears ThinkPad 340x IBM 2610 47 Product Overview The following table shows an overview of the system features Feature Description Processor e 340 1BM486 SLC 25 50MHz on the system board e 340CSE 1BM486 SLC2 25 50MHz on the system board 1BM486 SLC2 33 66MHz on the system board Memory 4MB on the system board Standard Memory Option 2MB 4MB 8MB IC DRAM card 12MB is maximum CMOS RAM 128 Bytes VGA Video e 340 9 4 inch 64 gray level DSTN LCD monochrome e 340CSE 9 4 inch 256 color DSTN LCD color 10 4 inch 256 color DSTN LCD color Diskette Drive e 0 720MB 1 44MB 2 mode 3 5 inch for U S and European countries e 0 720MB 1 2MB 1 44MB 3 mode 3 5 inch for Japan Hard Disk Drive PCMCIA e 340 125MB 2 5 inch e 340CSE 200MB 2 5 inch 360MB 2 5 inch One Type lll or Type ll 48 IBM Mobile Systems HMM FRU Removals and Replacements This section contains information about removals and replacements e Anelectrostatic discharge ESD strap must be used to establish personal grounding The system board is sensitive to and can be damaged by electrostatic discharge Establish personal grounding by touching a ground point with one hand before touching these units Do not damage any part
272. lia New Zealand New Guinea Papua Denmark Israel Bangladesh Pakistan South Africa Sri Lanka Switzerland Thailand Japan IBM Mobile Systems HMM 6952300 62X1045 14F0033 13F9979 14F0069 13F9940 13F9997 14F0087 14F0015 14F0051 1838574 79F2755 Element Exchange Displays 8503 12 Inch Monochrome Display 110 120 V ac 220 240 V ac No Hemisphere 220 240 V ac So Hemisphere Tilt Swivel Stand 8504 12 Inch Monochrome Display 110 120 or 220 240 V ac Universal 220 240 V ac No Hemisphere 220 240 V ac So Hemisphere Tilt Swivel Stand 68X3045 68X3046 72X7878 68X3061 44F9807 44F9808 44F9809 44F9820 8506 17 Inch Monochrome Display with Tilt Swivel Stand 110 125 V ac US Canada 110 125 or 200 240 V ac No Hemisphere 110 125 or 220 240 V ac So Hemisphere 8507 19 Inch Monochrome Display 110 120 or 220 240 V ac Universal Model 110 125 or 200 240 V ac No Hemisphere 110 125 or 220 240 V ac So Hemisphere 8508 19 Inch Monochrome Display 110 125 V ac US Canada 110 125 or 200 240 V ac No Hemisphere 110 125 or 220 240 V ac So Hemisphere 8512 14 Inch Color Display 110 120 V ac US Canada 220 240 V ac No Hemisphere 220 240 V ac So Hemisphere Tilt Swivel Stand 8513 12 Inch Color Display 110 120 V ac 220 240 V ac No Hemisphere 220 240 V ac So Hemisphere Tilt Swivel Stand 8514 16 Inch Color Display 110 120 V ac 220 240 V ac No Hemisphere 220 240 V ac So
273. ll not suspend or resume by opening or closing the LCD 1 Go to Suspend Mode on page 213 and that check that the computer can enter suspend mode 2 Go to Easy Setup screen and press Fn 4 If the computer enter suspend mode suspect that the application program is defective Interposer Card DC DC Card System Board OL Battery Fuel Gauge does not go higher than 90 Go to Checking the Battery Pack on page 208 and see the note Audio problems Run the Audio Test 2 Audio Card Memory count size appears differently from actual size 1 Go to Memory Checkout on page 201 System configuration does not match the installed devices 1 Go to Checking the Installed Devices List on page 230 System hangs intermittently 1 Go to Intermittent Problems on page 226 Peripheral Device Related Symptoms Symptom Error FRU Action External display does not work correctly 1 See External Display Self Test in Common Devices Checkout section Printer problems Run Printer Self test System Board Parallel Port Device Cable PLO ees Serial or parallel port device problems Device Device Cable System Board p bal ThinkPad 355x 360x 370C 750x 755C 755Cs 225 Other Symptoms Symptom Error FRU Action Stylus pen or digitizer does 1 Go to Pen and not work corr
274. llowing to select the test device 1 Select the advanced diagnostic mode and select Tool then select the icon FDD 1 or FDD 2 and press the space key A v mark appears next to the selected icon Insert the blank diskette when instructed 2 Run the diskette drive test If the controller test detects an error FRU code 10 appears Replace the system board 4 If the controller test runs without errors the drive read write tests start automatically 5 If the drive test detects an error FRU code 50 for FDD 1 or 51 for FDD 2 appears If the diskette itself is known to be good replace the drive 6 If the drive is attached through a Port Replicator as FDD 1 or FDD 2 and the test detects errors move ThinkPad 755CE 755CSE 755CV 755CX 9545 397 the drive to the computer s diskette drive connector directly and test it again as FDD 1 If no errors occur at the FDD 1 position the drive is not defective Go to Port Replicator Checkout in Common Devices Checkout section to isolate the replicator problem 7 Ifthe drive is attached through an Expansion Unit go to the service manual of the Expansion Unit to isolate the problem 8 If the drive is attached through a Diskette Drive Attachment Unit replace the unit Power Systems Checkout To verify the symptom of the problem power on the computer using each of the power sources as follows 1 Remove the battery pack diskette drive and hard disk drive 2 Co
275. ltages before you replace the system board See Power Systems Checkout on page 71 5 If an error message is not listed there is a device installed that requires an additional diskette or service manual Refer to the diskette or service manual for that device How to Read POST Error Messages POST error messages are displayed on the screen as 3 4 5 or 8 digits The error messages that can be displayed as shorter POST messages are highlighted in this Symptom to FRU Index Note Adjust the speaker volume before you power on the computer In the following error codes an X can be any number Numeric Error Codes Symptom Error FRU Action 00010200 00010300 1 System Board 00010400 00010700 00010800 1 System Board 2 Processor card 00011000 1 Go to Memory Checkout on page 70 before replacing any FRUs Base Memory Card IC DRAM Card System Board Pro 000113XX System Board Processor Card p 82 IBM Mobile Systems HMM Symptom Error FRU Action 000118XX 1 Clear Error Log See System Error Log on page 96 If the error remains replace the FRUs in the following order Base Memory Card e IC DRAM Card Note Error Log must be cleared when a FRU is replaced 00016100 1 See Checking the Backup Battery on page 75 2 System Board 3 Voltage Converter 00016300 00016400 1 Set 00016500 00016900 C
276. m Board External Mouse Keyboard Top System Board Bottom System Board Or EO Pointing Device TrackPoint Ill Keyboard Numeric Keypad Top System Board Bottom System Board PIANE 12902 1 Bottom System Board 19990305 1 Go to Hard Disk Drive Checkout on page 133 2 Hard Disk Drive 3 Bottom System Board above Other codes not listed 1 Go to Undetermined Problems on page 152 FRU Codes If an error is detected by the diagnostics tests a four digit FRU code is displayed along with an error code The FRU code indicates two suspected FRUs Replace the FRU that is indicated by the two leftmost digits first and then replace the FRU indicated by the two rightmost digits No FRU is assigned to code 00 If only one FRU is suspected the other FRU code is filled with zeros See the referenced page before replacing the FRU FRU Code FRU Action 10 1 Diskette Drive 2 Bottom System Board 3 Top System Board 12 Top System Board 14 Bottom System Board 20 Memory See Memory Checkout on page 128 32 External Keyboard 33 External Mouse 144 IBM Mobile Systems HMM FRU Code FRU Action 40 LCD Assembly See Disassembling the LCD Assembly on page 172 45 External CRT 50 1 Reseat the Diskette Drive FDD 1 2 Diskette Drive FDD 1 51 1 Reseat the Diskette Drive FDD 2 2 Di
277. m Rear View Latches H System Expansion Connector Docking Door A MultiPort Il or Dock Il can be connected to this interface to support the following features e 16 bit AT bus interface e Serial port e Parallel port e Keyboard and mouse e Hard disk drive connection e LED control signals e Video signals e Audio signals e Diskette drive e PCMCIA e Power controls e Power line ThinkPad 701C 701CS 2630 183 Top System Board Top View Keyboard Connectors Inverter Card Connector Microphone Connector Speaker Connector Battery Pack Connector Lid Close Sensor Parallel Diskette Drive Connector TrackPoint II Connector n i 1 i ONDOSOSO EE da DI O F 184 IBM Mobile Systems HMM Top System Board Bottom View Inverter Card Connector Power Jack Power Switch Parallel Diskette Drive Connector Microphone In Jack Line In Jack Headphone Speaker Out Jack Standby Battery Connector Battery Pack Connector Board to Board Connector JIA O o EISSDOSORO ThinkPad 701C 701CS 2630 185 Bottom System Board Top View System Expansion Connector LCD Connectors PCMCIA Controller PCMCIA Slots System Controller Board to Board Connector Video Controller No or en
278. mmand prompt to start the ThinkPad Features program Select Set Power Features from the ThinkPad Features menu then put a check mark at Internal Serial Port or Diskette Drive Compartment under the Power for devices If you need help press F1 to display the help menu Type PS2 MODEM ON or PS2 DDC ON from the command prompt press the Enter key to set the power ON If you are using OS 2 or Microsoft Windows do the following 1 2 3 Power on the computer and start the ThinkPad Features program Select the Power icon then move the pointer to Internal Serial Port or Diskette Drive Compartment under the Power for devices and click the button to check mark it Press the OK button Trademark of the IBM Corporation Trademark of Microsoft Corp 480 IBM Mobile Systems HMM Troubleshooting The following table shows what to do to solve problems when the TV Tuner does not work correctly Problem Probable Cause The TV Tuner e Computer is not powered on does not e Computer is in suspend mode operate No picture or sound e Volume control of the TV Tuner or computer is not adjusted correctly e The power for the TV Tuner is not supplied See Power on the TV Tuner on page 480 e The wall outlet from the outdoor antenna is not active e The video or antenna cable is not connected correctly e Antenna elements of the active antenna unit are not adjusted e The batteries in
279. moving any FRU power off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any interconnecting cables m Safety Notice 3 Translation on page 9 The battery pack contains small amounts of nickel Do not disassemble it throw it into fire or water or short circuit it Dispose of the battery pack as required by local ordinances or regulations m Safety Notice 1 Translation on page 7 Before the computer is powered on after FRU replacement make sure all screws springs or other small parts are in place and are not left loose inside the computer Verify this by shaking the computer and listening for rattling sounds Metallic parts or metal flakes can cause electrical shorts 236 IBM Mobile Systems HMM Removals Models 355x 360x 1010 Rear Connector Door Remove the center latch then remove the rear connector door by flexing it H 1015 Foot To replace the foot e Align the foot in the open position with one pivot in its hinge in the base cover e Press the other pivot point into position with your thumb or finger Foot FRU P N84G4326 ga n pe P DC In 20V ThinkPad 355x 360x 370C 750x 755C 755Cs 237 1020 Battery Pack Notes 1 Be careful that the computer does not fall backward when the battery pack is removed 2 Check that the keyboard latch springs are in place 238 IBM Mobile Systems HMM 1030 Disket
280. ms HMM Symptom Go to Error Code or Message Symptom to FRU Index on page 82 Configuration Problem Checking the Installed Devices List on page 97 Power Problem Power Systems Checkout on page 71 Memory Problem Memory Checkout on page 70 TrackPoint Il or Pointing Stick Problem TrackPoint Il Checkout on page 476 ThinkPad 700C 720C Color LCD Problem LCD FRU Replacement Notice on page 124 ThinkPad 700 720 Mono Panel Problem High Speed Modem Noise Problem 700 720 Mono LCD FRU Replacement on page 124 High Speed Modem Noise Problems on page 124 Note For information about how to run diagnostics error messages passwords and various other tests and service checks go to Related Service Procedures on page 94 ThinkPad 700 700C 720 720C 9552 69 Memory Checkout Customer diagnostics can eliminate defective memory so no memory error message appears at power on reset After you replace a defective base memory card or IC DRAM card run Automatic configuration Otherwise the new memory will not be recognized Power off the computer before you remove or replace any parts 001 Remove all IC DRAM cards from their slots if installed Power off the computer then power it on After the cursor moves to the upper right corner of the screen press Ctrl Alt Insert to start the sy
281. n Kits R Italian 6447049 Keybutton Kits R Norwegian 1392028 Keybutton Kits R Portuguese 1392029 Keybutton Kits R Spanish 6447050 Keybutton Kits R Spanish Latin 1392035 Keybutton Kits R Swedish 1392030 Keybutton Kits R Swiss French German 1392031 Keybutton Kits R U K English 6447046 Keybutton Kits U S English 6447045 Japanese Keyboard Type 2 106 Key DBCS Support Japanese Keyboard 94X1110 Keyboard Cable 94X1147 Space Saving Keyboards 84 85 Key Country Canadian French 1396046 Spanish Latin 1396047 U S English 1393290 Cable Assembly External 1393082 Tools and Miscellaneous Audio Wrap Cable 66G5180 Ethernet BNC T Connector 84F8207 Ethernet BNC 50 ohm Terminator 85F0037 2 required Grounding Wire Set 38F4684 Keyboard Key Cap Removal Tool 6110464 PC Test Card 33G4703 Screwdriver Kit 95F3598 SCSI Terminator 92F0142 any SCSI device space permitting SCSI Terminator Kit 92F0143 R PAC Terminator Modules 3 for 40 60 80 120 and 160MB SCSI Hard Disk Drives Wrap Plug Ethernet D Shell 85F0036 Wrap Plug Tri Connector 72X8546 Wrap Plug 6157 Tape Attachment Adapter A 4178459 Wrap Plug Token Ring Network Adapter A 6165899 Plastic Envelope For Wrap Plug 6138013 Common Parts Listing 485 Display Power Cords Index Country 1 ARON ono 486 Colombia U S Venezuela Colombia U S Venezuela Hong Kong Singapore U K France Germany Spain Italy Chile Austra
282. n the screw hole 2 DC in holder J and spacer J are supplied as miscellaneous parts Use the following table for reference when replacing parts Step Location Quantity Length 5 Power jack 1 8mm flat head Note Make sure you use the correct screw ThinkPad 355x 360x 370C 750x 755C 755Cs 281 2110 Backup Battery 2105 Standby Battery e Battery Pack 2020 e Diskette Drive 2030 Model 750x FA Standby Battery Backup Battery Models 370C 755C and 755Cs Standby Battery E Backup Battery 282 IBM Mobile Systems HMM Note When replacing the batteries make sure the batteries are seated correctly Make sure the insulator cover is in the correct position by sliding it end to end Step Location Quantity Length cover 1 4mm Note Make sure you use the correct screw m Safety Notice 2 Translation on page 8 The standby battery contains a small amount of nickel and cadmium Do not disassemble it recharge it throw it into fire or water or short circuit it Dispose of the battery as required by local ordinances or regulations m Safety Notice 4 Translation on page 10 The backup battery is a lithium battery and can cause a fire explosion or severe burn Do not recharge it remove its polarized connector disassemble it heat it above 100 C 212 F incinerate it or expose its cell contents to water Dispose of the battery as required by loca
283. na unit or antenna cable Using the Front Panel The following table shows how to operate all functions of the TV Tuner with the controls on the front panel Key Function Power Turns on the TV Tuner This key is used only when the computer is turned A on Hot Key Switches computer display and TV ED screen 23 Up Increases the value of parameters Channel Number Color Tint Brightness Contrast Auto Tuning Sensitivity On screen Message Selection Decreases the value of parameters Channel Number Color Tint Brightness Contrast Auto Tuning Sensitivity On screen Message Selection Function Selects a function mode to adjust each Fn function parameter See Using the Function Key on page 479 TV Ext Switches the displayed video source VY between the receiving TV broadcast db program and external devices such as VCR video camera recorder laser disk and so on 478 IBM Mobile Systems HMM Using the Function Key Each time you press the Function key Fn one of the following messages called On Screen Message appears at the top left corner of the LCD The changed values are automatically saved when you return to the TV Channel On Screen message The values are not saved when you power off the TV Tuner without returning to this message Message on Parameter LCD TV Channel By using lt and you can select the channels from 2 to 69
284. nectors on the interposer card If the keyboard cable connection is correct run the Keyboard Test by doing the following 1 Go to diagnostic menu screen by pressing Ctrl A in the Easy Setup screen 2 Press Ctrl K a layout of the keyboard appears on the screen 3 Check that when each key is pressed the key position on the keyboard layout on the screen changes to a black square Note When a Fn key is pressed a black square briefly appears If the tests detect a keyboard problem do the following one at a time to correct the problem Do not replace a non defective FRU e Reseat the three cables e Replace the keyboard e Replace the interposer card e Replace the system board The following auxiliary input devices are supported for this computer e Numeric keypad e Mouse PS 2 compatible e External keyboard with keyboard mouse cable If any of the above devices do not work reseat the cable connector and repeat the failing operation If the problem does not occur again recheck the connector If the problem is not corrected replace the device and then the system board TrackPoint III Checkout If the TrackPoint III will not work check the configuration in the Easy Setup by selecting Keyboard from the Config menu If the configuration of the TrackPoint III is disabled select Enable to enable it If this does not correct the TrackPoint III problem continue with the following 396 IBM Mobile Systems H
285. ng occurs e The LCD backlight turns off e The hard disk motor stops e The CPU clock is set to the lowest speed Events that cause entering of standby mode e Standby requested by the Fn key Fn F3 e No activity under auto standby enabled by the feature utility Events that cause exiting or resuming of standby mode e Resume Any key operation Suspend Mode When in suspend mode the following in addition to the four actions of standby mode occur e The LCD power is powered off e The hard disk is powered off e The CPU is stopped In the ThinkPad Features Program the computer can be set to Will not suspend even if LCD is closed When the computer is powered with ac power and is used with one of the following IBM PC cards the computer enters standby mode the PC card and application program remain active e 3270 Emulation Credit Card Adapter e 5250 Emulation Credit Card Adapter e Token Ring 16 4 Credit Card Adapter e Credit Card Adapter for Ethernet ThinkPad 355x 360x 370C 750x 755C 755Cs 213 In the following condition the computer cannot enter the suspend mode While the communication link is running When a serial mouse or other pointing device is selected in the Config menu of Easy Setup Events that cause entering of suspend mode Suspend mode is requested by the Fn key Fn F4 The LCD is closed The keyboard is opened The specified time has elapsed from the last operation with t
286. ng the ThinkPad 750Ce hardware maintenance diskette 190 Depleted battery pack was installed when the power was on 1 Go to Checking the Battery Pack on page 324 The configuration read from the hibernation area does not match the actual configuration 191XX 1 System Board 2 Processor card 195 1 Check if the configuration was changed For example check if the disk drive is from another computer 196 Read error occurred in the hibernation area of the HDD 199XX 1XX 1 Run the hard disk drive test 2 Hard Disk Drive 1 System Board 1 System Board 332 IBM Mobile Systems HMM Symptom Error FRU Action 2XX 301 303 304 305 3XX 1 AON SoN Go to Memory Checkout on page 317 IC DRAM Card DIMM or DIMM Adapter System Board Go to Keyboard Auxiliary Input Device Checkout on page 320 Keyboard Video Card External Numeric Keypad External Keyboard Keyboard Mouse Cable System Board 601 6XX 2 Go to Diskette Drive Test on page 321 Diskette Drive Assembly Diskette System Board 602 Diskette read error Go to Diskette Drive Test on page 321 Diskette Diskette Drive Assembly 604 Non acceptable ID was read from the diskette drive Go to Diskette Drive Test on page 321 Diskette Drive Assembly System Board 11XX oder Serial Device First
287. ng diagnostic tests and performing maintenance service See Password Combinations on page 230 for more information about passwords How to Disable the Power On Password m Important This information is not available in this HMM online format See your IBM Servicer or IBM Authorized Dealer for this procedure Reset Pushbutton The reset pushbutton resets the system regardless of the microcode status and forces power to be powered off Use this pushbutton to power off when power is not completely off or the microcode is in a hung state See System Board Top View on page 292 for the location of the pushbutton Port Replicator Problems If you suspect a problem with the Port Replicator see Port Replicator Checkout in the Common Devices Checkout section for more information ThinkPad 355x 360x 370C 750x 755C 755Cs 199 General Checkout Use the following procedure as a guide for computer problems Note The diagnostic tests are intended to test only IBM products Non IBM products prototype cards or modified options can give false errors and invalid system responses 1 Obtain the failing symptoms in as much detail as possible 2 Verify the symptoms by attempting to recreate the failure by running the diagnostic test or by repeating the same operation Note To run the diagnostics refer to How to Run the Diagnostics on page 229 3 Use the following table with t
288. nging 1 Check Device Configuration 2 System Board 3 Diskette Drive any FRUs Assembly 4 Hard Disk Drive Assembly 175 177 178 1 System Board 183 1 Have the user Incorrect password entered at the supervisor password prompt examine the password 184 POP check sum error 1 Reset the POP in Easy Setup ThinkPad 355x 360x 370C 750x 755C 755Cs 217 Symptom Error 185 The startup sequence is not valid Suspect that power was off when the startup sequence was being updated 186 188 FRU Action 1 Reset the startup sequence in Easy Setup 1 System Board 1 Set the system identification using the ThinkPad 750Ce hardware maintenance diskette Note You can use this maintenance diskette for all Models 190 Depleted battery pack was installed when the power was on 1 Go to Checking the Battery Pack on page 208 The configuration read from the hibernation area does not match the actual configuration 191XX 1 System Board 2 Processor card 370C 750Ce 755C and 755Cs 195 1 Check if the configuration was changed For example check if the disk drive is from another computer 196 Read error occurred in the hibernation area of the HDD 1 Run the hard disk drive test 2 Hard Disk Drive 197 The computer memory size is not equal to the hibernation area size on the HDD 1 Have the user d
289. nglish U S English Black Keypad French German Italian Swedish Norway U K English U S English Black Keyboard French German Italian Swedish Norway U K English U S English Accessories Models 755x Keyboard Mouse Cable Tools Tri Connector Wrap Plug PC Test Card Audio Wrap Cable Screwdriver Kit ThinkPad 750Ce Hardware Maintenance Diskette This diskette is common to all ThinkPad models 388 IBM Mobile Systems HMM 95F5741 95F5466 95F5467 95F5467 95F6313 95F6314 95F5467 95F5741 95F5467 95F6316 79F6401 95F5467 95F6315 95F5468 95F5711 95F5715 95F5467 95F5741 95F5741 84G6286 84G6280 84G6292 84G6304 84G6310 84G6298 84G2530 84G6285 84G6279 84G6291 84G6303 84G6309 84G6297 84G2529 54G0444 72X8546 35G4703 66G5180 95F3598 82G3891 Power Cords Warning Use the power cord certified for your country ONOuhWND 9 10 Country Colombia U S Venezuela Japan 2 pin Japan 3 pin Hong Kong Singapore U K France Germany Spain Italy Australia New Zealand Denmark Israel Bangladesh Pakistan Sri Lanka South Africa Switzerland Thailand 30 40W 13F9959 6454377 65F0031 14F0033 13F9979 14F0069 13F9940 13F9997 14F0087 14F0015 14F0051 1838574 35W 25H2207 85G6665 25H2215 25H2209 25H2223 25H2205 25H2211 25H2225 25H2213 25H2221 25H2219 Note The 30 40W cord is 6 feet long the 35W cord is 6 inches ThinkPad 755CD 755CDV 9545 389
290. nnect the AC Adapter and check that power is supplied 3 Install the diskette drive or hard disk drive one at a time and check that power is supplied from each power source 4 Disconnect the AC Adapter remove the hard disk and diskette drive and install the charged battery pack then check that power is supplied by battery pack If you suspect a power problem see the appropriate power supply check listed below e Checking the AC Adapter e Checking Operational Charging on page 399 e Checking the Battery Pack on page 399 e Checking the Car Battery Adapter on page 402 e Checking the Travel Quick Charger on page 403 e Checking the Backup Battery on page 403 e Checking the Standby Battery on page 403 e Port Replicator Power Overload on page 407 Checking the AC Adapter You are here because the computer fails only when the AC Adapter is used e Ifthe power problem occurs only when the port replicator is used replace the replicator e If the power on indicator does not turn on check the power cord of the AC Adapter for correct continuity and installation e If the operational charge does not work go to Checking Operational Charging on page 399 Note There are several types of adapters The procedure for checking both types is the same 1 Unplug the AC adapter cable from the computer and measure the output voltage at the plug of the AC adapter cable See the f
291. nt III or the click button does not work perform the following tasks one at a time to correct the problem Note Do not replace a nondefective FRU e Reseat the three keyboard cables e Replace the keyboard e Replace the top system board 132 IBM Mobile Systems HMM Diskette Drive Checkout Use the following procedure to isolate the diskette problem to a controller drive or diskette For this test you need a scratch write enabled double sided high density diskette 2 0MB that formats to 1 44MB that is known to be good 1 2 3 D 10 11 12 Power off the computer Attach the external diskette drive if it is not already attached Power on the computer Press the F1 key any time while the POST memory count is proceeding When the memory test is completed the Easy Setup screen appears Press the left or right arrow key to select Test and press Enter or position the pointer over the Test icon and click the left click button once Press Ctrl A to enter the advanced diagnostics Select the FDD 1 icon and press Enter This runs the controller test and the drive read write test If the controller test detects an error FRU code 10 appears First replace the diskette drive and cable and run the test again If FRU code 10 appears from this second test replace the top system board If the controller test runs without errors select Tool from the advanced diagnostics screen See Running the Diagnostics
292. ntly from actual size Go to Memory Checkout on page 317 System configuration does not match the installed devices Go to Checking the Installed Devices List on page 346 System hangs intermittently Go to Intermittent Problems on page 342 340 IBM Mobile Systems HMM Peripheral Device Related Symptoms Symptom Error FRU Action External display does not work correctly 1 See External Display Self Test in Common Devices Checkout section Printer problems 1 Run Printer Self test 2 Parallel Port Device 3 Cable 4 System Board Serial or parallel port device 1 Device problems 2 Device Cable 3 System Board Other Symptoms Symptom Error FRU Action Errors occur only when Port Replicator is used See Port Replicator Checkout in Common Devices Checkout section PCMCIA Slots Assembly PCMCIA slot pin is damaged Note If you cannot find a symptom or error in this list and the problem remains see Undetermined Problems on page 343 ThinkPad 755CD 755CDV 9545 341 Infrared Related Symptoms Symptom Error FRU Action Unable to communicate using the Infrared IR Port 1 Make sure the setup for the IR is correct 2 Make sure there are no fluorescent lights near the computer The computer may receive electrical noise from the fluorescent light 3 Run t
293. o the socket c Pivot the DIMM until it snaps into place If you have another DIMM to install insert it in the other socket the same way ThinkPad 755CD 755CDV 9545 357 2060 Keyboard Spacer CUIA S A S Ag fA A IBM Mobile Systems HMM 358 2080 Keyboard Unit CD ROM Drive 2030 Battery Pack 2020 Loosen the three screws A and E and push W to release the five top cover latches at the rear side of the system unit When removing the screw covers MJ use a small screwdriver 359 ThinkPad 755CD 755CDV 9545 The keyboard unit is connected to the system board with flexible cables Remove the upper cover then disconnect the cables to remove the keyboard unit as shown To remove the top cover do not latch the keyboard Lower the keyboard and remove the top cover Warning Do not pull the keyboard cables The keyboard cables will be damaged if the keyboard is disconnected without releasing the three latches n EMI Spring Plate Notes 1 When replacing the keyboard check that the three cables are clean and inserted straight and fully into the connectors Slide both ends of each latch at the same time to make sure that each cable is correctly inserted Go to Keyboard Auxiliary Input Device Checkout on page 320 and test all keys before returning the computer to the customer 2 When replacing the top cover insert the four latches at the rear sid
294. oard 3 Parallel Port Device 4 Cable Serial or parallel port device 1 Device problems 2 Device Cable 3 System Board Other Symptoms Symptom Error FRU Action PCMCIA slot pin is 1 System Board damaged Note If you cannot find a symptom or error in this list and the problem remains see Undetermined Problems Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors FRUs replacement should only be considered when a recurring problems exists When analyzing the intermittent problem do the following 1 Run the advanced diagnostic test for the system board in loop mode at least 10 times 2 If no error is detected do not replace any FRUs 3 If any error is detected replace the FRU shown by the FRU code Rerun the test to verify that no more errors exist Undetermined Problems You are here because the diagnostic tests did not identify which adapter or device failed installed devices are incorrect a short circuit is suspected or the system is inoperative Follow the procedures below to isolate the failing FRU do not isolate non defective FRUs Verify that all attached devices are supported by the computer Verify that the power supply being used at the time of the failure is operating correctly See Power Systems Ch
295. obile Systems HMM 66G3710 66G3711 66G5058 66G5083 66G5059 66G5084 66G6210 66G6211 66G5048 66G5077 66G5047 66G5076 66G5049 66G5078 66G5057 66G5034 66G5072 66G5033 66G5071 66G5035 66G5073 66G6321 66G6324 66G9222 66G9223 66G5046 66G5075 66G5041 66G3754 66G5044 66G9242 66G5038 66G9226 66G9267 66G5121 66G5036 66G6209 66G6211 66G9224 66G9225 84G4288 66G5122 Index 13 Hard Disk Drive Includes strap index 12 170MB 66G5066 For Germany Gray 66G5085 340MB 66G5068 For Germany Gray 66G5087 14 Lower Shield 750 750C 750Cs 750P 66G5043 Lower Shield 750Ce 66G9227 15 Rear Connector Cover 66G5050 For Germany Gray 66G5079 16 PCMCIA Cover 66G5053 Includes bezels and security plate For Germany Gray 66G5082 17 PCMCIA Device 17a Name Label 750 750C 750Cs 750P 66G7865 For Germany Gray 66G7866 Name Label 750Ce 66G9228 For Germany Gray 66G9229 18 Base Cover Assemblies include coil spring insulator foot power switch knob holder and latch buttons Base Cover Assembly 750 66G5125 For Netherlands Belgium 66G5131 For Germany Gray 66G5128 For Japan 66G4590 Base Cover Assembly 750C 66G5126 For Netherlands Belgium 66G5132 For Germany Gray 66G5129 For Japan 66G4590 Base Cover Assembly 750Ce 66G9217 For Netherlands Belgium 66G9219 For Germany Gray 66G9218 For Japan 66G9220 Base Cover Assembly 750Cs 66G4591 For Netherlands Belgium 66G4593 For Germany Gray 66G4592
296. ocated to the left of the PCMCIA card slot Note A Type III PCMCIA card occupies both PCMCIA slots To remove the card press the bottom eject button Carefully slide the PCMCIA card out of the slot If both PCMCIA slots are empty replace the filler plug and replace the outer cover over the PCMCIA slots Note Do not remove PCMCIA cards while the system is in Suspend or Hibernate mode If you remove a PCMCIA card while the system is in either mode you might lose configuration information Or if you remove a PCMCIA card and insert another card your system might not recognize the new card Product Overview The following table provides a brief overview of the system features Feature Description Processor Intel 486 DX2 25 50MHz or DX4 25 75MHz with math coprocessor Memory 4MB or 8MB on the system board Standard Memory 4 8 or 16MB SO DIMM Optional Bus e Local bus for hard drive and video Architecture with hardware line draw BITBLT Two Busses cursor and sprite support e ISA bus ThinkPad 701C 701CS 2630 159 Diskette Drive Feature Description CMOS RAM 128 Bytes VGA Video e ThinkPad 701CS 10 4 inch 640 x 480 256 226K color DS STN LCD color e ThinkPad 701C 10 4 inch 640 x 480 256 226K color TFT LCD color 1 44MB 3 mode for Japan 2 mode for other countries 3 5 inch external Hard Drive Removable e 360MB 2 5 inch e 540MB 2 5 inch
297. off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any interconnecting cables m Safety Notice 3 Translation on page 9 The battery pack contains small amounts of nickel Do not disassemble it throw it into fire or water or short circuit it Dispose of the battery pack as required by local ordinances or regulations m Safety Notice 1 Translation on page 7 Before the computer is powered on after FRU replacement make sure all screws springs or other small parts are in place and are not left loose inside the computer Verify this by shaking the computer and listening for rattling sounds Metallic parts or metal flakes can cause electrical short circuits 426 IBM Mobile Systems HMM 1010 Rear Connector Door Remove the center latch then remove the rear connector door by flexing it H 1015 Foot To replace the foot e Align the foot in the open position with one pivot in its hinge in the base cover e Press the other pivot point into position with your thumb or finger Foot FRU P N84G4326 Base Cover DC In 20V ThinkPad 755CE 755CSE 755CV 755CX 9545 427 1020 Battery Pack Notes 1 Be careful that the computer does not fall backward when the battery pack is removed 2 When replacing the battery pack check that the storage switch of the new battery is set to the on position Do not operate the storage switch of
298. old the F1 key down until the Easy Setup screen appears Select Test and press enter 4 Select Memory and press enter to run the memory test on base memory If an error appears replace the system board 5 Power off the computer and reinstall the IC DRAM card then power on the computer Verify the memory size then test the memory If an error appears replace the IC DRAM card w If memory problems occur intermittently use the loop option to repeat the test When the test detects an error an error log is printed on the printer connected to the parallel port See Error Log on page 45 for more information System Programs in Flash Memory System setup programs and diagnostic tests are stored in Flash memory Flash Memory Update A flash memory update is required for the following conditions e Connecting the AC Adapter and installing the charged battery pack in the computer e New versions of system programs e New features or options are added To update the flash memory do the following 1 Get the appropriate diskette which contains the update 2 Insert the System Program Service Diskette into drive A and power on the computer 3 Select Update system programs from the menu 26 IBM Mobile Systems HMM System Board The processing functions for the computer are performed by the system board When a numeric code calls out the system board use the following procedure to isolate the problem 1 Run the
299. ollowing figure 398 IBM Mobile Systems HMM 2 AC adapter 40W Pin Voltage V dc 1 18 0 to 21 0 2 Ground AC adapter 35W Pin Voltage V dc 1 16 0 to 1 0 0 5 2 Ground e If the voltage is correct replace the system board If the problem is not corrected go to Undetermined Problems on page 419 e If the voltage is not correct go to the next step 2 Unplug the AC Adapter cable from the ac power outlet and wait five minutes or longer to allow the over voltage protection circuit to be fully discharged and initialized 3 Plug the AC Adapter cable into the ac power outlet Measure the output voltage of the AC Adapter 5 If the voltage is still not correct replace the AC Adapter Note An audible noise from the AC Adapter does not always indicate a defective adapter Checking Operational Charging To check operational charging use a discharged battery pack or a battery pack that shows a yellow or orange battery status indicator when it installed in the computer Perform operational charging If the battery status indicator turns orange and the battery charging indicator turns green within two minutes replace the AC Adapter Checking the Battery Pack Battery charging will not start until the Fuel Gauge shows that less than 90 of the total power remains with this condition the battery pack will charge to 100 of its capacity This protects the battery pack from be
300. om ac power Remove the battery 4 If problem occurs consistently replace the Top System Board ThinkPad 701C 701CS 2630 149 Symptom Error FRU Action Battery pack charges but the battery status indicator does not light 1 Reseat the Inverter Card 2 Replace the Inverter Card Battery pack does not charge the battery status indicator does not light and the battery fuel gauge is less than 90 1 Check the AC adapter connection Make sure that the computer is powered on or in Suspend mode 2 Check the Configuration Utility to ensure that the AC adapter is supplying the correct voltage level 3 Check the AC adapter 4 Make sure that the computer is within the operational temperature range 5 Change the AC adapter 6 Replace the Battery Pack 7 Replace the Top System Board Function Related Symptoms Symptom Error FRU Action The system will not enter Suspend mode or resume by opening or closing the LCD 1 Check the Configuration Utility to ensure that the Suspend on Lid Close function is enabled 2 Check that the computer can enter Suspend mode by pressing Fn F4 3 Top System Board 4 Bottom System Board Memory count size appears different from actual size 1 Go to Memory Checkout on page 128 System configuration does not match the installed devices System stops intermittently 1 Go to
301. on page 230 e Password Combinations on page 230 e How to Run the Low Level Format on page 230 e PC Test Card LED on page 231 e Fn Key Combinations on page 231 e How To Run the Keyboard Diagnostics on page 231 Status Indicators The system status indicators show the current computer status in different colors green yellow and orange Symbol Color Meaning Blinking green Speaker sounds Does not sound for Models 355 355Cs 360 360Cs and 370C Green Battery fully charged Yellow Battery usable Orange Battery low Blinking orange Battery almost depleted Blinking green Battery storage yellow and switch is set off orange Green Battery charging sae Orange PC card in use Orange Diskette drive in use o Orange Hard disk drive in use Green Keys in Num 4S Lock mode Green Keys in Caps T Lock mode QD Green Keys in Scroll Lock mode 228 IBM Mobile Systems HMM Symbol Color Meaning Green Computer in suspend mode Blinking green Computer resuming normal mode Green Computer powered on How to Run the Diagnostics Use either the TrackPoint Il or the cursor move keys to interact with the tests The Enter key works the same as selecting the OK icon to reply OK 1 DPN N 10 11 12 13 Press and hold the F1 key then power on the computer Hold the F1 key down unt
302. on resets the system and forces the power to be powered off Note Use this pushbutton when the power is not completely off or the system is hung See System Board on page 61 for the location of the pushbutton Checking the Installed Devices List If a device is installed but the icon appears in a gray shade rather than a dark shade on the basic diagnostics screen the device is defective Reseat the device connectors If the symptom remains replace the device or the system board If needed adjust the contrast control to clearly distinguish the shades of the icon If a device that is not installed appears in a dark shade do the following 1 Replace the first device such as a FDD HDD or PCMCIA 2 If the problem remains replace the system board PCMCIA Parallel and Serial icons are always displayed in dark shade because the icons represent subsystems of the system board and not attachment of the devices How to Run the Low Level Format Do the following to format the hard disk m Before Formatting the Hard Disk Make sure that the address of the drive to be formatted is correct This procedure will erase all information on the disk Power off the computer 2 Insert the ThinkPad 750Ce hardware maintenance diskette into diskette drive A and power on the computer Note You can use this maintenance diskette for the Model 340CSE 3 Select Format the hard disk from the main menu 4 Select the d
303. on the modem connector to free it from the base Make sure that the modem connector has been freed from its slot in the base before removing the bottom system board Replacement When you replace the bottom system board keep the speaker cable toward the rear of the computer Do not leave it folded under the bottom system board Reuse the rubber spacers 170 IBM Mobile Systems HMM EJ Remove the two bolts BJ and nuts BA holding the PCMCIA slot assembly to the bottom system board shown in the figure on page 165 EE Remove the PCMCIA slot assembly shown in the figure on page 165 Remove the modem shown in the figure on page 165 The modem is held in place with an adhesive gasket You may need to pry gently on the modem to remove it from the bottom system board When you reinstall the modem you may need to apply a new adhesive gasket Taking Apart the Base Assembly Remove the power switch cover shown in the figure on page 165 Warning The speaker can magnetize metal and corrupt a diskette Warning A scratch can damage the speaker Be careful not to damage it with screwdrivers screws or other objects Remove the speaker shown in the figure on page 165 After you have removed the speaker carefully remove any metal particles that might have flaked off Remove the adhesive gasket shown in the figure on page 165 Replacement Follow these steps in order 1 Remove the old adhesive gasket and apply a
304. one and sleeve near the hinge insert the yellow backlight cable through the slit in the sleeve and then the brown cable Do not allow the microphone cable to twist around the backlight cables Slip the sleeve into place so that the flange is inside the computer lid toward the LCD Insert the microphone into the space between the hinge and the LCD with the foam block against the right side of the space Press the block gently to ensure that it is completely inserted Make sure that the foam does not cover the microphone diaphragm When installed correctly the microphone lines up with the two small slots in the bezel IBM Mobile Systems HMM Replacing the LCD Assembly To reattach the LCD assembly follow these steps 1 With the LCD cable flat carefully wrap the end of the LCD cable around the attached sleeve on the cable finishing with the end of the cable coming from behind the sleeve To prevent possible damage tape the end of the cable to the bezel while you reattach the LCD assembly Place the LCD assembly on the base in the closed position Make sure that the backlight and microphone cables are inside the base unit Replace the four hinge screws BG Open the computer lid all the way 180 and remove the tape from the the LCD cable Slide the ferrite core over the end of the LCD cable pushing the core onto the cable just far enough to expose the two sets of silver contacts on the cable Connect the LCD ca
305. onfiguration Features If 00016300 appears set 2 System Board date and time first in the 3 Hard Disk Drive Reference Diskette 4 Base Memory Card If setting configuration does 5 IC DRAM Card not solve the problem see Checking the Installed Devices List on page 97 000171XX 000172XX 1 System Board 00017300 1 See 173 and 11350 700 700C Only Error Combination Before replacing a FRU on page 102 before restore the system partition replacing FRUs with the Reference Diskette 2 See Checking the Version 1 1 or later See Backup Battery on Installing a New Version of page 75 the System Diskettes on 3 Voltage Converter page 100 00017400 1 Set If Automatic Configuration Configuration Features does not solve the problem run Advanced Diagnostic 000175XX 00017700 1 System Board 00017800 000179XX 1 Run System Unit and Memory Diagnostic or 2 Select More utilities to clear the system error log 000183XX 1 PAP Privileged Access Password is needed to boot from the System Program 000184XX 00018500 System Board ThinkPad 700 700C 720 720C 9552 83 Symptom Error FRU Action 720 720C only 000187XX 1 Set Configuration 2 System Board 000188XX 1 System Board 000189XX 1 Select More utilities to clear the system error log 00019000 1 Reseat System Board 2 Reseat CPU chip Processor Card 3 S
306. opean Countries For Germany Gray Bottom Cover Assy U S Can LAD 700C For Benelux For European Countries For Germany Gray For Japan Covers include spacers for LCD hinge Model 700 Cover For Germany Gray 1 See FRU Service Procedures on page 124 116 IBM Mobile Systems HMM 54G1047 53G7823 53G7825 49G2140 49G2156 49G2142 44G3778 44G3781 54G1045 44G3769 48G9315 44G3800 54G0449 44G3801 48G9314 48G8719 49G2732 48G8721 49G1983 48G8722 53G7817 48G9316 Index Model 700C Cover 48G8714 For Germany Gray 48G9906 14 Door Hard Disk Drive 44G3777 For Germany Gray 48G9317 15 Hard Disk Drive 80MB 95F4743 Hard Disk Drive 120MB 95F4744 Hard Disk Drive 240MB 66G3200 Hard Disk Drive 340MB 53G7862 16 Cover IC DRAM Card 49G1108 For Germany Gray 49G2154 17 Video Card 700 44G3782 Video Card 700C 35G4823 18 Tray 44G3773 19 Guide Modem 44G3774 Modem Door 700 53G7815 Modem Door 700 For Germany 53G7816 Modem Door 700C 53G7817 Modem Door 700C For Germany 53G7818 Telephone Cable 94X1540 20 Base Memory Card 4MB 44G3785 21 Slot Holder IC DRAM Card 44G3772 22 Diskette Drive Assembly 49G2198 Cable Diskette Drive 44G3776 23 Keyboard see page 121 24 Standby Battery 44G3799 For Benelux 49G1149 For Swiss 49G2093 25 Indicator Assembly 700 44G3787 Standoff LED 700 44G3788 25 Indicator Assembly 700C 48G8729 Standoff LED 700C 48G8731 26 Panel Groups include LED cover 2 2 5 x
307. or Reset Pushbutton System Expansion Connector Note Model 355x does not have this connector External Input Device Connector Hard Disk Drive Connector PCMCIA Slot DC DC Card Connector IC DRAM Card Connector Diskette Drive Connector 5 of oo ofa sof a EESNRMNE ON ay ES ot 1 i BA Et 6 6 292 IBM Mobile Systems HMM System Board Bottom View Power On Password Connector H Backup Battery Connector Standby Battery Connector EJ IC DRAM Card Connector IH Processor Card Connector 750Ce 755C 755Cs di ge i ThinkPad 355x 360x 370C 750x 755C 755Cs 293 Processor Card 370C 750Ce 755C 755Cs System Board Connector O DC DC Card Top View External Power Jack H Battery Pack Terminal Models 355x 360x g Models 370C 750x 755x 1 L g tL 294 IBM Mobile Systems HMM Interposer Card All Models Front View LCD Connector Color LCD Connector Pen LCD Connector Monochrome and Color LCD Power Connector Color Status Indicator Connector Keyboard TrackPoint Il Connector Keyboard Signal Connector Keyboard Signal Connector LCD Open Detect Switch DONDESESSO En AG u B RA ESA e Ma Om i ThinkPad 355x
308. or the system is hung See Rear View on page 459 for the location of the pushbutton Checking the Installed Devices List If a device is installed but the icon appears in a gray shade rather than a dark shade on the basic diagnostics screen the device is defective Reseat the device connectors If the symptom remains replace the device or the system board If needed adjust the contrast control to clearly distinguish the shades of the icon If a device that is not installed appears in a dark shade for example FDD 2 appears in a dark shade when NO second FDD is installed do the following 1 Replace the first device such as a FDD 1 HDD 1 or PCMCIA 1 2 If the problem remains replace the system board PCMCIA 1 Parallel and Serial icons are always displayed in dark shade because the icons represent subsystems of the system board and not attachment of the devices The HDD 1 FDD 1 or PCMCIA 1 represents the first drive in the system configuration respectively Similarly the HDD 2 FDD 2 or PCMCIA 2 represents the second drive usually attached through a port replicator or an expansion unit Password Combinations The password relationship is e When POP is the same as HDP The POP prompt appears but the HDP prompt does not appear e When POP is not the same as HDP Both POP and HDP prompts appear PAP and HDP When PAP is used the HDP is enabled automatically but no HDP prompt appears The HDP is set the s
309. orange battery status indicator when it installed in the computer Perform operational charging If the battery status indicator turns orange and the battery charging indicator turns green within two minutes replace the AC Adapter Checking the Battery Pack Battery charging will not start until the Fuel Gauge shows that less than 90 of the total power remains with this condition the battery pack will charge to 100 of its capacity This protects the battery pack from being over charged or having a shortened life Notes a Models 355x and 360x battery pack does not contain a microprocessor In the following ignore any reference to the storage switch b Before you perform the following procedure check the following e The correct battery pack is used for the model e The storage switch set to on 1 Power off the computer 2 Remove the battery pack and measure the voltage between battery terminals 1 and 4 See the following figure Note The following figure shows the battery for the Model 370C 750x 755C and 755Cs The battery for Models 355x and 360x do not have the storage switch but the battery terminals are the same 208 IBM Mobile Systems HMM Storage Switch 3 7 1 T Terminal Voltage V dc Signal 1 8 0 to 16 0 2 Send 3 Thermal 4 Ground 5 RI 6 Select 7 R2 Note Signal lines not used in these steps are used for communication between the
310. orrect the error See Running the Diagnostics on page 156 2 The computer issues one short beep when the POST ends successfully ThinkPad 701C 701CS 2630 155 3 The computer attempts to load the operating system as customized If the computer does not find an operating system it displays a graphic message requesting that you insert a bootable diskette in the diskette drive and press F1 to resume operation Removing the Power On Password m Important This information is not available in this HMM online format See your IBM Servicer or IBM Authorized Dealer for this procedure Running the Diagnostics Use either the TrackPoint Ill or the cursor movement keys to interact with the tests When asked for an OK response press Enter or select the OK button 1 With the computer powered off attach any test tools to the device to be tested For example attach a wrap plug to the serial port on the MultiPort II or insert the PC test cards in the PCMCIA slot 2 Power on the computer Press the F1 key any time while the POST memory count is proceeding When the memory test is completed the Easy Setup screen appears Select Test and press Enter Press Ctrl A to enter advanced diagnostics 5 Select Tool to install a test tool PO Select the test tool for a device and press the spacebar or click button to install it A v mark appears for the selected device Repeat this step to install multiple dev
311. osmic radiation electrostatic discharge or software errors FRUs replacement should only be considered when a recurring problems exits If this is suspected clear the error log and run the test again Do not replace any FRUs if log errors do not reappear System Programs in Flash Memory System setup programs and diagnostic tests are stored in Flash memory Flash Memory Update A flash memory update is required for the following conditions e New versions of system programs e New feature or options are added m When Updating Flash Memory Do not power off the computer disconnect the Vac power or remove the battery during the Flash update On certain systems updating Flash memory can reset all customer s configuration settings to the default values To update the Flash memory perform the following steps 1 Connect the AC Adapter and install the battery pack 202 IBM Mobile Systems HMM 2 Get the appropriate diskette which contains the update 3 Insert the System Program Service Diskette into drive A and power on the computer 4 Select Update system programs from the menu System Board and Processor Card Checkout 370C 750Ce 755C 755Cs The processing functions for the Models 370C 750C 755Ce and 755Cs are performed by both the system board and the processor card Processor problems can be caused by either FRU However the processor card generally has a lower probability of failure When a numeric co
312. ot error codes If the system detects an error the CP code is changed to a POST error message System Error Log The computer system maintains a system error log The BIOS nonmaskable interrupt NMI handler writes an entry to the error log each time the system detects an error Viewing the error log To view the error log start the system programs and select More utilities from the Main Menu then select Display system error log For any error that is displayed help screens guide you through the actions to take Error Storage The error log stores up to three unique errors for example three parity errors at three different addresses The multiple log counter on the screen displays the number of times each unique error occurred You can page forward by pressing F8 or backward by pressing F7 to view the stored error logs The date and time of the most recent occurrence also is displayed If the POST finds that the error log has stored three unique errors the POST displays a 000179XX error Note If the system configuration is changed the system clears any logged errors associated with the FRU that was changed For example if the memory configuration was changed memory errors are cleared from the error log The conditions under which errors are cleared vary with the type of hardware and level of microcode installed Application lf the system diagnostics run error free but you still suspect a problem look at the error log
313. oth 1 0MB formatted 720KB and 2 0MB formatted 1 44MB capacity diskettes can be used in this drive The ThinkPad 700 Japanese model uses a diskette drive that supports 1 2MB format on 2 0MB capacity diskettes When servicing a Japanese model you must test all three formats Notes 1 The ThinkPad 700C Japanese model has an 89 key keyboard This keyboard is identified by the additional keys at the left and right sides of the spacebar 2 A 2 0MB capacity diskette is required when testing the 1 2MB format 173 and 11350 Error Combination If a POST error combination of 00017300 and 11350 appears and cannot be bypassed do the following before replacing any FRUs 1 Power off the computer 2 Remove the hard disk drive from the computer 3 Insert the Reference Diskette and power on the computer 4 Ignore any error messages press Esc F8 and Enter then run Automatic Configuration 5 Ignore the message An error occurred while updating config and power off the computer 6 Install the hard disk drive 7 Keep the Reference Diskette in drive A and power on the computer 8 Ignore any error messages press Y and run Automatic Configuration PCMCIA Card Removal Tip For the Model 720x you can insert or remove the PCMCIA card during most computer operations However do not remove the card when the PC Card in use light is on Product Overview The following table provides a brief overview of the system fe
314. ou open the keyboard and to remove them m When Replacing e Check that the three keyboard cables are clean and inserted straight and fully into the connectors Slide both ends of each connector latch at the same time to make sure that each cable is correctly inserted e Go to Keyboard Auxiliary Input Device Checkout on page 27 and test all keys before returning the computer to the customer 54 IBM Mobile Systems HMM 1090 LCD Assembly e Battery Pack 1020 e Top Cover 1060 m Safety Notice 5 Translation on page 11 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands immediately wash the affected areas with water for at least 15 minutes Seek medical care if any symptoms from the fluid are present after washing m Caring for the LCD e When cleaning of the LCD becomes necessary gently wipe the LCD with a dry soft cloth Do not use alcohol or detergent to clean the LCD e To avoid damage to the LCD do not scratch or apply any force to its surface e Do not put anything on the surface of the LCD e Do not pull the LCD cable The cable can be damaged if it is disconnected without releasing the latch 340CSE ThinkPad 340x IBM 2610 55 Use the following table for reference when replacing parts Step Location Quantity Length LCD cable 1 6mm Hi LCD hinge 4 8mm Note Make sure you use the correct screw
315. out on page 322 POST does not complete No beeps or error codes are indicated Symptom to FRU Index on page 331 and then use the No Beep Symptoms table POST beeps but no error codes are displayed Symptom to FRU Index on page 331 and then use the Beep Symptoms table POST detected an error and displayed numeric error codes Symptom to FRU Index on page 331 and then use the Numeric Error Codes table The diagnostic test detected an error and displayed an FRU code FRU Codes on page 334 The configuration is not the same as the installed devices Checking the Installed Devices List on page 346 Other symptoms such as LCD display problems Symptom to FRU Index on page 331 and then use the other symptom table table Symptoms cannot be recreated Intermittent problems Memory Checkout Use the customer reported symptoms and go to Symptom to FRU Index on page 331 One of two types of memory cards can be used IC DRAM card or DIMM card See the following table for the total memory size available when they are installed ThinkPad 755CD 755CDV 9545 317 IC DRAM Displayed Value OMB 7808KB 2MB 9856KB 4MB 11904KB 8MB 16000KB 16MB 24192KB DIMM Displayed Value OMB 7808KB 4MB 11904KB 8MB 16000KB 12MB 20096KB 16MB 24192KB 20MB 28288KB 24MB 32384KB 32MB 405
316. owing table for reference when replacing parts Step Location Quantity Length PCMCIA slot upper 2 4mm A PCMCIA slot lower 2 14 mm Note Make sure you use the correct screw 374 IBM Mobile Systems HMM 2180 Processor Card CD ROM Drive 2030 Battery Pack 2020 Hard Disk Drive 2040 Keyboard Unit 2080 Status Indicator 2090 Backup Battery 2110 Standby Battery and Front IR 2100 Logic Assembly 2115 Turn the system board upside down Then remove any metal tape holding the card ThinkPad 755CD 755CDV 9545 375 To remove the processor card gently lift the area shown by EN straight up Do not pull the other areas Note If the processor card is not installed correctly the computer may not turn on Reinstall the card in this case Use the following table for reference when replacing parts Step Location Quantity Length Processor card assembly 14 mm Note Make sure you use the correct screw 376 IBM Mobile Systems HMM 2190 LCD Assembly e CD ROM Drive 2030 e Battery Pack 2020 e Keyboard Unit 2080 e Status Indicator 2090 Note When removing the LCD cables MH pull the connector straight up Incorrect handling can damage the connector Use the following table for reference when replacing parts Step Location Quantity Length Hi LCD hinge 4 4mm Note Make sure you use the correct screw m
317. own in the figure Do not drop or apply any shock to the hard disk drive The hard disk drive is sensitive to physical shock Incorrect handling can cause damage it and cause permanent loss of data on the hard disk Before removing the hard disk drive have the user make a backup copy of all the information on the hard disk Never remove the hard disk drive while the system is operating or is in suspend mode After replacing the hard disk drive latch the removal strap into the correct position 264 IBM Mobile Systems HMM 2040 Keyboard Unit OS Battery Pack 2020 When removing the screw covers use a small screwdriver as shown Warning When using a screwdriver to remove cover or latches be careful not to e Scratch the surface of the computer e Break the latches Open the keyboard Remove the leaf spring plate When unlatching the upper cover latches to remove the upper cover use a small screwdriver as shown ThinkPad 355x 360x 370C 750x 755C 755Cs 265 Track Point Il Cable IH Remove the upper cover Note To remove the upper cover do not latch the keyboard Lower the keyboard and remove the upper cover Disconnect the cables to remove the keyboard unit as shown Warning Do not pull the keyboard cables The keyboard cables can be damaged if the keyboard is disconnected without releasing the three latches E Remove the keyboard Use the following table
318. pad e Mouse PS 2 compatible e External keyboard with keyboard mouse cable ThinkPad 340x IBM 2610 27 If any of the above devices do not work reseat the cable connector and repeat the failing operation If the problem does not occur again recheck the connector If the problem is not corrected replace the device and then the system board TrackPoint Il and Ill Checkout If the TrackPoint II or III will not work check the configuration in Easy Setup by selecting Keyboard from the Config menu If the configuration of the TrackPoint II or Ill is disabled select TrackPoint to enable it If this does not correct the TrackPoint II or III problem continue with the following The TrackPoint II or Ill does automatic compensations to adjust the pointer sensor During this process the pointer moves on the screen automatically for a short time This self acting pointer movement can occur when a slight steady pressure is applied to the TrackPoint II or III pointer while the computer is powered on or while the system is running or re adjustment is required because the temperature has exceeded its normal operating range This symptom does not indicate a hardware problem No service actions are necessary if the pointer movement stops in a short period of time If a click button problem or pointing stick problem occurs do the following 1 Go to the Easy Setup screen 2 Select an item with the pointing stick 3 Press either t
319. pend mode invocation F5 Audio volume Down F6 Audio volume UP F7 LCD CRT display switching F8 LCD normal reverse switching F9 Reserved F10 Reserved F11 Power management mode switching Toggles High power Intelligent Economy F12 Hibernation invocation How To Run the Keyboard Diagnostics Do the following to run the keyboard test 1 Go to the advanced diagnostic screen menu by pressing Ctrl A in Easy Setup menu 2 Go to the keyboard diagnostic test menu by pressing Ctrl K 3 Check that when each key is pressed the key position on the keyboard layout on the screen changes to be a black square Note When a Fn key is pressed the black square briefly appears ThinkPad 355x 360x 370C 750x 755C 755Cs 231 Product Overview The following table shows a brief overview of the system features Models 355x 360x Feature Description Processor e 355x 360 360C 360Cs 360P SL Enhanced 486SX 33 MHz solder mounted on the system board e 360CE 360CSE 360PE SL Enhanced 486DX2 50 25 MHz on the system board Bus e AT Bus Architecture e VESA local bus for video subsystem Memory 4MB on the system board Standard Memory 2 4 8 16MB Basic IC DRAM card max Option 16 MB CMOS RAM 128 Bytes VGA Video 355 360 9 5 inch diagonally 64 gray level STN LCD monochrome e 355Cs 360Cs 360CSE 360P 360PE 9 5 inch diagonally 256 4096 color DSTN LC
320. primary voltage on the frame can cause serious or fatal electrical shock e Explosive hazards such as a damaged CRT face or bulging capacitor e Mechanical hazards such as loose or missing hardware 16 IBM Mobile Systems HMM The guide consists of a series of steps presented in a checklist Begin the checks with the power off and the power cord disconnected Checklist 1 2 3 Check exterior covers for damage loose broken or sharp edges Power off the computer Disconnect the power cord Check the power cord for a A third wire ground connector in good condition Use a meter to measure third wire ground continuity for 0 1 ohm or less between the external ground pin and frame ground b The power cord should be the appropriate type as specified in the parts listings c Insulation must not be frayed or worn Remove the cover Check for any obvious non IBM alterations Use good judgment as to the safety of any non IBM alterations Check inside the unit for any obvious unsafe conditions such as metal filings contamination water or other liquids or signs of fire or smoke damage Check for worn frayed or pinched cables Check that the power supply cover fasteners screws or rivets have not been removed or tampered with Introduction 17 Handling Electrostatic Discharge Sensitive Devices Any computer part containing transistors or integrated circuits ICs should be considered sensitive to electrostatic
321. r by moving the power key in the direction of the arrow See the large circle in the figure Before tightening any screws check that the power switch operates correctly ThinkPad 755CD 755CDV 9545 365 Step Location Quantity Length Logic assembly 1 4mm B Logic assembly 4 8mm Note Make sure you use the correct screw 366 IBM Mobile Systems HMM 2120 Shield Assembly CD ROM Drive 2030 Battery Pack 2020 Hard Disk Drive 2040 Keyboard Unit 2080 Status Indicator 2090 Standby Battery and Front IR 2100 Backup Battery 2110 Logic Assembly 2115 Step Location Quantity Length Shield assembly 3 4mm A Shield assembly 3 14 mm 5 Shield assembly 1 8mm Note Make sure you use the correct screw ThinkPad 755CD 755CDV 9545 367 2125 Video Card or Rear IR CD ROM Drive 2030 Battery Pack 2020 Hard Disk Drive 2040 Keyboard Unit 2080 Status Indicator 2090 Backup Battery 2110 Standby Battery and Front IR 2100 Logic Assembly 2115 Shield Assembly 2120 The connector is located under II Do EJ and H after step E to remove the rear IR 368 IBM Mobile Systems HMM 2130 DC DC Card CD ROM Drive 2030 Battery Pack 2020 Hard Disk Drive 2040 Keyboard Unit 2080 Status Indicator 2090 Backup Battery 2110 Standby Battery and Front IR 2100 Logic Assembly 2115 Shield A
322. r regulations Use only the battery in the appropriate parts listing when replacing the RTC or backup battery Use of an incorrect battery can result in ignition or explosion of the battery 162 IBM Mobile Systems HMM Disassembling the ThinkPad 701C 701CS This procedure provides the steps required to completely disassemble the ThinkPad 701C 701CS The three exploded views show the parts of the computer that are removed at various stages of the disassembly process The numbered callouts in the figures correspond to steps in the procedure ThinkPad 701C 701CS Exploded View ThinkPad 701C 701CS 2630 163 ThinkPad 701C 701CS Exploded View 164 IBM Mobile Systems HMM ThinkPad 701C 701CS Exploded View 165 ThinkPad 701C 701CS 2630 If you follow all of the steps in this procedure you completely disassemble the ThinkPad 701C 701CS However for some replacement operations you may not need to completely disassemble the ThinkPad 701C 701CS In those situations the relative sequence of steps in this procedure is important Some FRUs must be removed to reach the failing FRU or to make it easier to work with another FRU This procedure contains instructions for the following e Removing the Keyboard Cover e Removing the Keyboard e Separating the Display and Base Units e Removing the Top System Board and Inverter Card e Removing the Bottom System Board and Modem e Taking Apart the Base Assembly Remov
323. r socket Note If the adapter is already plugged in reseat it Measure the output voltage of the Car Battery Adapter cable See the following figure be Pin Voltage V dc 1 19 0 to 21 0 2 Ground e If the voltage is correct and the power on indicator on the Car Battery Adapter is on all the time the Car Battery is working correctly Replace the system board If the problem is not resolved when the system board is replaced go to Undetermined Problems on page 227 e Ifthe voltage is outside the normal voltage range do one of the following Try the above test procedures in a different car if one is available Replace the Car Battery Adapter if the computer works correctly with the AC Adapter Notes f 210 If the output voltage from the cigarette lighter socket of the car is less than 10 5 V dc the power on indicator on the Car Battery Adapter blinks and a continuous noise can be heard The condition of the car battery should be checked by appropriate service personal The Car Battery Adapter does not support operational charging IBM Mobile Systems HMM Checking the Quick Charger There are two types of chargers but checkout procedures are the same for both of them 1 Ensure that the battery pack is operating correctly See Checking the Battery Pack on page 208 2 Connect the power cord to the quick charger and the other end to an ac power outlet Ensure
324. rallel port on the MultiPort Il Power on the computer Press the F1 key any time while the POST memory count is proceeding When the memory test is completed the Easy Setup screen appears Press the left or right arrow key to select Test and press Enter or position the pointer over the Test icon and click the left click button once Press Ctrl A to enter advanced diagnostics Select Tool to install the wrap plugs on the ports See Running the Diagnostics on page 156 for instructions Run the diagnostics tests on the parallel and serial ports on the computer and the MultiPort Il To test the external display device select the Display icon Test results will be displayed under the icon for each selected device If the diagnostics tests do not find errors suspect a problem with the previously attached devices If the tests find errors perform the following steps to recheck the computer e Power off the computer e Remove the MultiPort Il from the computer e Power on the computer and rerun the tests on the available parallel and serial ports If the errors do not reoccur replace the MultiPort Il If the errors persist suspect that the errors are related to internal FRUs and replace the appropriate FRU for information on FRU codes see FRU Codes on page 144 If power problems appear only when using the MultiPort II replace the MultiPort Il To exit from the test screen press Esc IBM Mobile Systems HMM
325. ratically 1 See 1080 Keyboard Unit on page 54 before replacing any FRUs 2 Disable Trackpoint and test Mouse again The Trackpoint can interfere with the operation of some Mouse devices Mouse Keyboard Control Card Keyboard See TrackPoint Il Checkout on page 476 before replacing any FRUs 2 Mouse 3 Keyboard Ov Bae External display problems 1 See External Display Self Test on page 470 before replacing any FRUs External Display Video Card System Board RON Incorrect memory size during POST See Memory Checkout on page 70 before replacing any FRUs 2 Base Memory Card 3 IC DRAM Card System hang or Intermittent hang 1 See Undetermined Problem on page 93 before replacing any FRUs 2 System Board Hard Disk Drive Replace the last device being tested Voltage Converter Bw a The system goes into suspend mode after the POST System Board Voltage Converter Keyboard Control Card ee The system does not suspend or resume Check the Suspend Resume switch operation If broken replace the Voltage Converter System Board Voltage Converter Keyboard Control Card Keyboard a9 PON The computer does not power off Voltage Converter System Board Mi ThinkPad 700 700C 720 720C 9552 91 Symptom Error FRU Action Real time clock inaccurate Printer problems
326. rd ThinkPad 355x 360x 370C 750x 755C 755Cs 219 Symptom Error FRU Action 861X Pointing device error when TrackPoint Il is enabled 1 Reseat the keyboard Track Point Il cable at the interposer card 355x 360x See 1040 Keyboard Unit on page 241 370C 750x 755C 755Cs See 2040 Keyboard Unit on page 265 Keyboard External Mouse System Board BON 19990301 19990302 19990305 1 Reseat the boot device 2 Check the startup sequence for the correct boot device 3 Check that operating system has no failure or is installed correctly 19990303 1 System Board above Other codes not listed 1 Go to Undetermined Problems on page 227 FRU Codes If an error is detected by the diagnostic tests a four digit FRU code is displayed The FRU code indicates two suspected FRUs Replace the FRU that is indicated by the two leftmost digits first then replace the FRU indicated by the two rightmost digits No FRU is assigned to code 00 If only one FRU is suspected the other FRU code is filled with zeros See the referenced page before replacing the FRU FRU Code FRU Action 10 System Board 11 Processor Card 370C 750Ce 755C and 755Cs 15 Audio Card 20 Memory See Memory Checkout on page 201 30 Reserved 32 External Keyboard 33 External Mouse 40 LCD Assembly See Digitizer Adjustment on page 205 and impo
327. rd disk format is completed power off the computer Restore the system partition Reinstall the operating system Replacing the Hard Disk Drive If you replace the internal hard disk drive you must recopy all of the system programs onto the replacement hard disk drive To recopy the programs 1 2 Start the system using the customer s backup copy of the system partition Select Backup Restore system programs from the Main Menu Run Restore the system partition to load the IML image the system programs and the diagnostic programs onto the hard disk drive just installed Notes a lf there is not a backup copy of the system partition make one before replacing the hard disk drive See Making a System Partition Backup Copy on page 101 b If the customer s backup copy of the system partition is incomplete you cannot restore the whole system partition If this occurs after you have recopied the IML image get the option diskettes and use Copy an option diskette to recopy the option files onto the system partition c lf the IML image is loaded onto the hard disk drive but the customer s operating system has not been loaded the insert diskette icon will appear on the screen ThinkPad 700 700C 720 720C 9552 99 System Diskettes Reference and Diagnostic If the hard disk drive is not operational you can run the system programs from the Reference Diskette Note The Reference Diskette contains the s
328. re removing and replacing the system board make sure that the PCMCIA cards are removed and the eject levers are not sticking out When replacing the system board assembly align the power key slide hub with the power switch actuator by moving the power key in the direction of the arrow See the large circle in the figure Before tightening any screws check that the power switch operates correctly Do not pull the PCMCIA slot assembly while removing the system board IBM Mobile Systems HMM Zl 70 PCMCIA Slot Assembly CD ROM Drive 2030 e Battery Pack 2020 e Hard Disk Drive 2040 e Keyboard Unit 2080 e Status Indicator 2090 e Backup Battery 2110 e Standby Battery and Front IR 2100 e Logic Assembly 2115 e Shield Assembly 2120 e Video Card or Rear IR 2125 e DC DC Card 2130 e DSP Card 2140 e Interposer Card 2150 e Processor Card 2180 6 Notes 1 When handling the PCMCIA slot assembly be careful not to disassemble any part of it The slot assembly is not solidly fixed when it is removed from the system board or the FRU In step EJ gently pull up the bottom of the center area of the connector board edge with your fingers 2 The screw stand at each corner of the PCMCIA slot is ThinkPad 755CD 755CDV 9545 373 easy to remove Make sure that the screw stand is correctly positioned when the slot is replaced Do not replace the slot without the screw stand Use the foll
329. rgue ni las eche al fuego o al agua ni las cortocircuite Des chelas tal como dispone la normativa local Utilice s lo baterias que se encuentren en la lista de piezas al sustituir la bater a La utilizaci n de una bater a no apropiada puede provocar la ignici n o explosi n de la misma Introduction 9 m Safety Notice 4 The lithium battery can cause a fire explosion or severe burn Do not recharge it remove its polarized connector disassemble it heat it above 100 C 212 F incinerate it or expose its cell contents to water Dispose of the battery as required by local ordinances or regulations Use only the battery in the appropriate parts listing Use of an incorrect battery can result in ignition or explosion of the battery La pile de sauvegarde contient du lithium Elle pr sente des risques d incendie d explosion ou de br lures graves Ne la rechargez pas ne retirez pas son connecteur polaris et ne la d montez pas Ne l exposez pas une temperature sup rieure 100 C ne la faites pas br ler et n en exposez pas le contenu l eau Mettez la pile au rebut conform ment la r glementation en vigueur Une pile inappropri e risque de prendre feu ou d exploser Die Systembatterie ist eine Lithiumbatterie Sie kann sich entzUnden explodieren oder schwere Verbrennungen hervorrufen Batterien dieses Typs d rfen nicht aufgeladen zerlegt ber 100 C erhitzt oder verbrannt werden Auch darf i
330. rive from the menu 5 Follow the instructions on the screen PC Test Card LED The green LED on the PC test card turns on when the PCMCIA test is running If the LED does not turn on check that the card is installed correctly by reseating it If the LED still does not turn on after the card is reseated try using another slot for the test If the LED still does not turn on and the test fails replace the FRU shown in the diagnostic error code 46 IBM Mobile Systems HMM Fn Key Combinations The following table shows the Fn key and function key combinations and their corresponding functions The Fn key works independently from the operating system The operating system obtains the status through the system management interface to control the system Fn Description FI Reserved F2 Fuel gauge display ON OFF F3 Standby mode invocation F4 Suspend mode invocation F5 Audio volume Down F6 Audio volume UP F7 LCD CRT display switching F8 LCD normal reverse switching F9 Reserved F10 Reserved F11 Power management mode switching Toggles High power Medium Low F12 Reserved How To Run the Keyboard Diagnostics Do the following to run the keyboard test 1 Go to the advanced diagnostic screen menu by pressing Ctrl A in the Easy Setup menu 2 Go to the keyboard diagnostic test menu by pressing Ctrl K 3 Check that when each key is pressed the key position on the keyboard
331. rmittent problems Memory Checkout Use the customer reported symptoms and go to Symptom to FRU Index on page 408 One of two types of memory cards can be used IC DRAM card or DIMM card See the following table for the total memory size available when they are installed ThinkPad 755CE 755CSE 755CV 755CX 9545 393 IC DRAM Displayed Value 0 MB 7808 KB 2 MB 9856 KB 4 MB 11904 KB 8 MB 16000 KB 16 MB 24192 KB DIMM Displayed Value 0 MB 7808 KB 4 MB 11904 KB 8 MB 16000 KB 12 MB 20096 KB 16 MB 24192 KB 20 MB 28288 KB 24 MB 32384 KB 32 MB 40576 KB Memory errors can stop system operations show error messages on the screen or hang the system The computer detects memory parity errors but does not correct them Use the following procedure to isolate memory problems Notes a Except Model 755CX installing a non parity memory card causes memory errors Before you go to the next procedure check whether or not the memory card use parity or non parity If the non parity memory card is installed disable the parity check on the Easy Setup configuration screen b Make sure that the memory card is fully installed into the connector A loose connection can cause an error 1 Power off the computer and remove the IC DRAM card or DIMM card from its slot if installed 2 Press and hold the F1 key then power on the computer Hold the F1 key
332. rome model e The stylus pen or digitizer is not working correctly Do the following 1 Press and hold the F1 key then power on the computer to go to the Easy Setup menu 2 Press Ctrl P The following Pen icon appears on the screen Pen 3 Open the LCD all the way to 180 degrees Do not convert it into the tablet style notebook 4 Select the pen icon by moving the cursor on the icon and clicking it 5 Without applying any pressure on the screen hold the stylus pen so it stands on the screen then press Enter Note The pressure on the screen should only be from the weight of the stylus pen 6 Restart the system Audio Card Checkout Do the following to run the audio tests Note Refer to Product Overview on page 232 to see whether the audio card is standard or not 1 Power off the computer 2 Insert the ThinkPad 750Ce hardware maintenance diskette into diskette drive A and power on the computer Note You can use this maintenance diskette for all Models ThinkPad 355x 360x 370C 750x 755C 755Cs 205 9 Select the Audio Diagnostics from the main menu Select Tests from the menu bar and press Enter Select All tests from the pull down menu and press Enter Run options are set to test once and stop on error as defaults Other options can be selected by the pull down menu of Setting up Follow the instructions that appear on the screen to proceed with the tests If the tests
333. rs TFTs A small number of missing discolored or lighted dots on all the time is characteristic of TFT LCD technology Excessive pixel problems can cause viewing concerns The LCD should be replaced if the number of missing or discolored or lighted dots in any colored background is 21 or more Symptom Error FRU Action No beep power on indicator 1 System Board on and a blank LCD during 2 DC DC Card POST 3 Processor Card 370C 750Ce 755C and 755Cs e LCD backlight not 1 Reseat the LCD working or connectors e LCD too dark or 2 LCD Assembly 3 Interposer Card e LCD brightness cannot 4 DC DC Card be adjusted or e LCD contrast cannot be adjusted e LCD screen 1 See the preceding unreadable or important note e Characters missing 2 Reseat the all LCD pels or connectors e Screen abnormal or 3 LCD Assembly e Wrong color displayed 4 System Board 5 Interposer Card LCD has extra horizontal or 1 LCD Assembly vertical lines displayed Keyboard TrackPoint Il Related Symptoms Symptom Error FRU Action Keyboard one or more keys does not work 1 PLN Reseat the three keyboard cables Keyboard Interposer Card System Board TrackPoint Il does not work pen Go to TrackPoint II checkout on page 204 Keyboard Interposer Card System Board Pointer moves automatically or does not work correctly See TrackPoint Il checkout on
334. rst 6 Go to General Checkout and follow that procedure 7 If the advanced diagnostic device test does not find an error suspect a problem with the port replicator or the system expansion bus 8 Power off the computer and reconnect the port replicator 9 Power on the computer and run the following advanced diagnostic tests e Serial port test with the wrap plug installed on the replicator e Parallel port test with the wrap plug installed on the replicator e PCMCIA 2 test with the PC test card installed e FDD 2 FDD 1 if no drive is installed in the computer drive test on the failing device 10 If diagnostic errors appear replace the replicator or diskette drive attachment unit If the problem remains after the replacement replace the system board 11 If power problems appear only when using the replicator replace the replicator If power shut downs occur intermittently when using PCMCIA 2 devices via a port replicator suspect an over current problem Some PCMCIA devices use more power if the maximum usage of each device occurs simultaneously the total current will exceed the limit thereby causing a power shut down Isolate this problem by removing one of the devices and use the computer under the same condition and see whether a power shut down occurs Do this procedure for all devices then determine the cause Customer purchase of the larger AC adapter 50W optional is recommended if it is not yet in use
335. rtant note for LCD Related Symptoms on page 223 220 IBM Mobile Systems HMM FRU Code FRU Action 45 External CRT 50 1 Reseat the Drive FDD 1 2 Diskette Drive FDD 1 51 1 Reseat the Drive FDD 2 2 Diskette Drive FDD 2 60 1 Reseat the Hard Disk Drive HDD 1 2 Hard Disk Drive HDD 1 61 1 Reseat the Hard Disk Drive HDD 2 2 Hard Disk Drive HDD 2 70 PCMCIA 2 Replicator 80 Cellular Modem 370C 750Ce 755C and 755Cs 81 Internal Modem Card 90 Reserved Note The device ID and error codes are used to indicate the detail portion of the FRU which caused the error If replacing a FRU does not correct a problem see the Device ID or error code from the previous failure If they have changed the cause might be because the new FRU is defective or that the FRU was incorrectly installed If the problem remains after replacement of the FRUs go to Undetermined Problems on page 227 Beep Symptoms Symptom Error FRU Action Continuous beeps System Board One beep and a blank unreadable or flashing 1 Reseat all LCD connectors source and a blank or unreadable LCD LCD 2 LCD Assembly 3 System Board 4 DC DC Card One beep and the message 1 Boot device Unable to access boot 2 System Board One long two short beeps System Board 2 LCD Assembly One long beep followed by four short beeps each t
336. rts or metal flakes can cause electrical shorts ThinkPad 340x IBM 2610 49 1010 Rear Connector Door Remove the rear connector door by flexing it 50 IBM Mobile Systems HMM 1030 Backup Battery 1040 IC DRAM Card 1050 Standby Battery e Battery Pack 1020 Step 2 Standby Battery Step 3 IC DRAM Card Step 4 Backup Battery Note The IC DRAM card is sensitive to physical shock Incorrect handling of the card can damage it Note When removing the backup battery or standby battery use the connector extractor P N 39G9977 ThinkPad 340x IBM 2610 51 1060 Top Cover Battery Pack 1020 S e Ple SN gt 2 E c oc 3 2 23 5 3 O clio oja oj Q a Note Make sure you use the correct screw IBM Mobile Systems HMM 52 1070 Indicator Card Battery Pack 1020 Top Cover 1060 When Replacing Be careful to not break the pins of the indicator card connector 53 ThinkPad 340x IBM 2610 1080 Keyboard Unit e Battery Pack 1020 e Top Cover 1060 Notes 1 There are two keyboard latches on each side of the computer frame Slide the keyboard as shown in step 2 to release the keyboard from those latches them remove the keyboard Small arrows on the both sides of the keyboard show the locations of the latches 2 The keyboard has three cables be careful not to damage the cables when y
337. s table POST beeps but no error codes are displayed Symptom to FRU Index on page 34 and then use the Beep Symptoms table POST detected an error and displayed numeric error codes Symptom to FRU Index on page 34 and then use the Numeric Error Codes table The diagnostic test detected an error and displayed an FRU code FRU Codes on page 37 The configuration is not the same as the installed devices Checking the Installed Devices List on page 46 Other symptoms such as LCD display problems Symptom to FRU Index on page 34 and then use the table for related symptoms Symptoms cannot be recreated Intermittent problems Use the customer reported symptoms and go to Symptom to FRU Index on page 34 ThinkPad 340x IBM 2610 25 Memory Checkout See the following table for the available memory size of each card IC DRAM Memory size 0 MB 3712 KB 2 MB 5760 KB 4 MB 7808 KB 8 MB 11904 KB Memory errors might stop system operations show error messages on the screen or hang the system Use the following procedure to isolate memory problems Note Make sure that the memory card is fully installed into the connector Loose connections can cause errors 1 Power off the computer and remove the IC DRAM card from its slot if installed 2 Press and hold the F1 key then power on the computer H
338. screen If you need help press F1 DID THE DIAGNOSTIC TESTS DETECT AN ERROR Yes No 002 The diagnostic tests have completed successfully If you suspect a problem go to Step 004 003 Go to the Symptom to FRU Index for the computer you are servicing 004 Check the PSTN cable and the DAA cable if installed for continuity IS THE CABLE S GOOD Yes No 005 Replace the defective cable s 006 Step 006 continues 472 IBM Mobile Systems HMM 006 continued Have the customer transmit a call WAS THE CALL TRANSMITTED SUCCESSFULLY Yes No 007 Go to Step 011 008 Have the customer receive an incoming call on the modem WAS THE INCOMING CALL RECEIVED Yes No 009 Go to Step 014 010 The diagnostic tests have completed successfully If you still suspect a problem that is not software related replace the External DAA then replace the modem 011 Have the customer transmit a call at a lower speed WAS THE CALL TRANSMITTED SUCCESSFULLY Yes No 012 If installed replace the external DAA If you do not have an external DAA installed or replacing the external DAA does not correct the problem replace the modem 013 Have the telephone line checked 014 Have the customer receive an incoming call on the modem at a lower speed WAS
339. se cover e Press the other pivot point into position with your thumb or finger Foot FRU P N84G4326 Base Cover DC In 20V ThinkPad 355x 360x 370C 750x 755C 755Cs 261 2020 Battery Pack Notes 1 Be careful that the computer does not fall backward when the battery pack is removed 2 When replacing the battery pack check that the storage switch of the new battery is set to the on position Do not operate the storage switch of a battery that has been used and is going to be re used 3 Check that the keyboard latch springs are in place 262 IBM Mobile Systems HMM 2030 Diskette Drive e Battery Pack 2020 Warning 1 Check that the backup battery and standby battery are seated correctly to prevent damage to the diskette drive when replacing the diskette drive 2 Do not put any pressure on the diskette drive cover Remove the diskette drive exactly as shown in the figure 3 Make sure that a diskette is not installed in the drive Removing the drive with a diskette installed causes bending or damaging the eject button After replacing the diskette drive latch the removal strap into the correct position ThinkPad 355x 360x 370C 750x 755C 755Cs 263 2035 Hard Disk Drive Battery Pack 2020 Warning 1 Do not apply any extra force to the hard disk drive when removing it Remove the hard disk drive exactly as sh
340. se the following table for reference when replacing parts Step Location Quantity Length Speaker shield 1 4mm Hard disk drive connector 2 6mm System board 1 16mm System board spacer 1 16mm Note Make sure you use the correct screw A a haen a Ka mma Irna LEN E E 1d IG ID Notes 1 Verify that the spacer is in the correct position 2 H isa shield for radio frequency interference 254 IBM Mobile Systems HMM 1100 DC DC Card e Battery Pack 1020 e Diskette Drive 1030 e Hard Disk Drive 1035 e Keyboard Unit 1040 e Status Indicator 1060 e LCD Assembly 1070 e Speaker Shield Assembly 1090 e Modem Card 1080 e Interposer Card 1095 Notes 1 When replacing the DC DC card put the spacer H on the screw hole 2 DC in holder J and spacer J are supplied as miscellaneous parts Use the following table for reference when replacing parts Step Location Quantity Length 5 Power jack 1 8mm flat head Note Make sure you use the correct screw ThinkPad 355x 360x 370C 750x 755C 755Cs 255 1110 Backup Battery 1115 Standby Battery e Battery Pack 1020 e Diskette Drive 1030 i E Backup Battery Standby Battery Note When replacing the batteries make sure both are seated correctly Check that the insulator cover is in the correct position by sliding it end
341. se the password was forgotten If the following symptoms are present they could indicate the damage was caused by non warranted activity e Missing parts can be a symptom of unauthorized service or modification e HDD spindles can become noisy if subjected to excessive force or is dropped e 19990303 errors can be caused by exposure to strong magnetic fields 198 IBM Mobile Systems HMM How to Use Error Messages Use the error codes displayed on the screen to diagnose failures If more than one error code is displayed begin the diagnosis with the first error code The cause of the first error code can result in false error codes being displayed If no error code is displayed see if the error symptom is listed in the Symptom to FRU Index on page 216 How to Diagnose Multiple FRUs When the adapter or device has more than one FRU the error code could be caused by either FRU Before replacing multi FRUs try removing or exchanging each FRU one by one in the designated sequence to see if the symptoms change Passwords The Passwords are security features that are used to protect the system and the hard disk data from unauthorized access There are three types of passwords as follows e Power on Password POP e Hard disk Password HDP e Supervisor Password Privileged Access Password PAP No overriding is provided Obtaining permission from the password owner to unlock the password is a prerequisite for runni
342. sed e Resume Real time clock alarm signaled e Resume Ring indicator RI signaled by serial or PCMCIA device e Resume The Fn key is pressed e Hibernate Timer conditions are satisfied to enter the hibernation mode Hibernation Mode When in hibernation mode the following occurs e The system status RAM VRAM and setup data are stored on the hard disk e The system is powered off The computer cannot enter the hibernation mode if the computer is powered with ac power and one of the following IBM PC cards is used e PCMCIA Data FAX Modem e High Speed PCMCIA Data FAX Modem e 3270 Emulation Credit Card Adapter e 5250 Emulation Credit Card Adapter e Token Ring 16 4 Credit Card Adapter e Credit Card Adapter for Ethernet Events that cause the computer to enter the hibernation mode e The hibernation mode is requested by the Fn key Fn F12 e Timer conditions are satisfied in suspend mode e Critical low battery condition Event that cause the computer to exit the hibernation mode e The power on switch is operated 406 IBM Mobile Systems HMM When power is turned on the hibernation history of the boot record on the hard disk is recognized and system status is restored from the hard disk to resume operation Port Replicator Power Overload If intermittent power shut downs occur while using two or more PCMCIA devices with a port replicator suspect an over current problem Some PCMCIA devices use more
343. set in the ThinkPad Features program ThinkPad 755CD 755CDV 9545 329 Events that cause exiting or resuming of the suspend mode e Resume The LCD is opened e Resume The keyboard is closed e Resume Real time clock alarm signaled e Resume Ring indicator RI signaled by serial or PCMCIA device e Resume The Fn key is pressed e Exit Timer conditions are satisfied to enter hibernation mode Hibernation Mode When in hibernation mode the following occurs e The system status RAM VRAM and setup data are stored on the hard disk e The system is powered off Events that prevent the computer from entering the hibernation mode e A serial mouse or external pointing device has been selected in the Config menu of the Easy Setup e The computer is powered with ac power and one of the following IBM PC cards is used PCMCIA Data FAX Modem High Speed PCMCIA Data FAX Modem 3270 Emulation Credit Card Adapter 5250 Emulation Credit Card Adapter Token Ring 16 4 Credit Card Adapter Credit Card Adapter for Ethernet Events that cause the computer to enter the hibernation mode e Pressing the Fn key Fn F12 e Timer conditions are satisfied in suspend mode e Critical low battery condition Event that causes the computer to exit the hibernation mode e The power on switch is operated When power is turned on the hibernation history of the boot record on the hard disk is recognized and s
344. skette Drive FDD 2 55 1 Insert a correctly formatted 2 0MB diskette into the Diskette Drive 60 1 Reseat the Hard Disk Drive HDD 1 2 Hard Disk Drive HDD 1 61 1 Reseat the Hard Disk Drive HDD 2 on the docking station 2 Hard Disk Drive HDD 2 70 External PCMCIA 81 Internal Modem Card 91 If MultiPort Il is installed 1 Reseat MultiPort Il 2 MultiPort Il If Dock Il is installed 1 Reseat Dock Il 2 Dock Il Note The device ID and error codes are used to indicate in detail the portion of the FRU that caused the error If replacing a FRU does not correct a problem see the device ID or error code from the previous failure If they have changed the new FRU might be defective or incorrectly installed If the problem remains after replacement of the FRUs go to Undetermined Problems on page 152 Beep Symptoms LCD unreadable or flashing Symptom Error FRU Action Continuous beeps 1 Top System Board One beep and a blank 1 Reseat all LCD connectors 2 LCD Assembly 3 Bottom System Board One beep and the message 1 Boot device Unable to access boot 2 System Board source One long two short beeps 1 Bottom System and a blank or unreadable Board LCD 2 LCD Assembly ThinkPad 701C 701CS 2630 145 Symptom Error FRU Action One long beep followed by four short beeps each time the power switch is operated System cannot power on due to low bat
345. splay Self Test in Common Devices Checkout section Printer problems Run Printer self test Cable Parallel Port Device Top System Board Poe problems Serial or parallel port device Device Device Cable Top System Board oN ThinkPad 701C 701CS 2630 151 Other Symptoms Symptom Error FRU Action Errors occur only when 1 See MultiPort Il MultiPort Il is used Checkout on page 134 PCMCIA slot pin is 1 Bottom System damaged Board Note If you cannot find a symptom or error in this list and the problem remains see Undetermined Problems Intermittent Problems Intermittent system interruptions can be caused by a variety of reasons that have nothing to do with a hardware defect such as electrostatic discharge or software errors Consider replacing a FRU only when a recurring problem exists When analyzing the intermittent problem perform the following steps 1 Run the advanced diagnostics test in loop mode at least 10 times 2 If no error is detected do not replace any FRUs 3 If any error is detected replace the FRU shown by the FRU code Rerun the test to verify that no more errors exist Undetermined Problems Perform the following procedures to isolate the failing FRU if the diagnostics tests did not identify which adapter or device failed or whether the installed devices are incorrect a short circuit is suspected
346. ssembly 2120 Video Card or Rear IR 2125 ThinkPad 755CD 755CDV 9545 369 2140 DSP Card e CD ROM Drive 2030 e Battery Pack 2020 e Hard Disk Drive 2040 e Keyboard Unit 2080 e Status Indicator 2090 e Backup Battery 2110 e Standby Battery and Front IR 2100 e Logic Assembly 2115 e Shield Assembly 2120 e Video Card or Rear IR 2125 e DC DC Card 2130 Remove the following e Mini Jack Holder e Modem Guide e Modem Lever e Microphone Cable Use the following table for reference when replacing parts Step Location Quantity Length DSP card 1 8mm A DSP card 1 14 mm Note Make sure you use the correct screw 370 IBM Mobile Systems HMM 2150 Interposer Card e CD ROM Drive 2030 Battery Pack 2020 Hard Disk Drive 2040 Keyboard Unit 2080 Status Indicator 2090 Backup Battery 2110 Standby Battery and Front IR 2100 Logic Assembly 2115 Shield Assembly 2120 Video Card or Rear IR 2125 DC DC Card 2130 DSP Card 2140 ThinkPad 755CD 755CDV 9545 371 216 Note 372 0 System Board Assembly CD ROM Drive 2030 Battery Pack 2020 Hard Disk Drive 2040 Keyboard Unit 2080 Status Indicator 2090 Backup Battery 2110 Standby Battery and Front IR 2100 Logic Assembly 2115 Shield Assembly 2120 Video Card or Rear IR 2125 DC DC Card 2130 DSP Card 2140 Interposer Card 2150 Processor Card 2180 s Befo
347. ssor Card 25 75 MHz Processor Card 33 100 MHz Processor Card 755CX HDD Removal Strap 340MB Hard Disk Drive 540MB Hard Disk Drive 810MB Hard Disk Drive Rear Connector Cover PCMCIA Device See options PCMCIA Cover Includes bezels and security plate Base Cover Assembly 755CE For Japan Base Cover Assembly 755CSE Base Cover Assembly 755CV For Japan Base Cover Assembly 755CX For Japan Name Label Bezel Diskette Drive Bezel Blank Cover Option Bay AV Door IR Lens Front IR Assembly Front Standby Battery Base Plate Memory Card 755CE 755CSE 755CV Memory Card 755CX AV Panel Power Switch Button IC DRAM Card See options 85G1489 85G1490 85G1489 85G8546 85G1633 85G1630 85G1507 85G1509 84G6555 85G1491 85G1492 85G7472 85G8547 84G6547 84G6554 85G1501 85G1496 85G1563 84G6550 85G1510 85G8554 85G1503 85G1062 85G1497 85G1141 85G8548 85G1494 85G1495 85G8550 66G5122 66G5068 84G4319 85G0961 66G5050 85G1511 85G1486 85G1488 85G1026 85G1105 85G1106 85G8545 85G8570 66G9228 85G1036 85G1891 85G1037 84G6551 84G6548 84G6549 85G1039 84G6563 84G6561 85G8565 84G6552 84G6553 ThinkPad 755CE 755CSE 755CV 755CX 9545 461 Index Component 35 36 37 462 Battery Terminal 755CE 755CSE Battery Terminal 755CV 755CX DSP Card Assembly DC DC Card 755CE 755CSE DC DC Card 755CV 755CX Speaker Diskette Drive 4 mode Diskette Drive 3 mode
348. st floors nongrounded power extension cables power surges and missing safety grounds e Do not touch live electrical circuits with the reflective surface of a plastic dental mirror The surface is conductive such touching can cause personal injury and machine damage e Do not service the following parts with the power on when they are removed from their normal operating places in a machine Power supply units Pumps Blowers and fans Motor generators and similar units This practice ensures correct grounding of the units e If an electrical accident occurs Use caution do not become a victim yourself Switch off power Send another person to get medical aid Safety Inspection Guide The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products Each machine as it was designed and built had required safety items installed to protect users and service personnel from injury This guide addresses only those items However good judgment should be used to identify potential safety hazards due to attachment of non IBM features or options not covered by this inspection guide If any unsafe conditions are present you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem Consider these conditions and the safety hazards they present e Electrical hazards especially primary power
349. stem program Press Ctrl A at the Main Menu DID THE ADVANCED DIAGNOSTIC MENU APPEAR Yes No 002 Replace the base memory card If the problem is not corrected go to Undetermined Problem on page 93 Run the memory tests Use the RUN TESTS ONE TIME option DID THE MEMORY TESTS END WITHOUT AN ERROR Yes No 004 Replace the base memory card 005 Install the IC DRAM card into slot 1 and run Automatic configuration Run the memory test Use the RUN TESTS ONE TIME option DID THE MEMORY TESTS END WITHOUT AN ERROR Yes No 006 Replace the IC DRAM card in slot 1 If the problem is not corrected replace the system board 007 Install the IC DRAM card into slot 2 and run Automatic configuration Step 007 continues 70 IBM Mobile Systems HMM 007 continued Run the memory test Use the RUN TESTS ONE TIME option DID THE MEMORY TESTS END WITHOUT AN ERROR Yes No 008 Replace the IC DRAM card in slot 2 If the problem is not corrected replace the system board 009 If the problem occurs intermittently run the memory tests multiple times to create an error log Power Systems Checkout Note One or all of the batteries can discharge if there is a short circuit in the system 1 Replace the failing FRU if the power supply problem is caused by a short circuit 2 Determine if one
350. stema Compru belo agitando el sistema y escuchando los posibles ruidos que provocar an Las piezas met licas pueden causar cortocircuitos el ctricos Introduction 7 m Safety Notice 2 Some standby batteries contain a small amount of nickel and cadmium Do not disassemble it recharge it throw it into fire or water or short circuit it Dispose of the battery as required by local ordinances or regulations Use only the battery in the appropriate parts listing Use of an incorrect battery can result in ignition or explosion of the battery Certaines batteries de secours contiennent du nickel et du cadmium Ne les d montez pas ne les rechargez pas ne les exposez ni au feu ni a l eau Ne les mettez pas en court circuit Pour les mettre au rebut conformez vous a la r glementation en vigueur Lorsque vous remplacez la pile de sauvegarde ou celle de l horloge temps r el veillez a n utiliser que les mod les cit s dans la liste de pi ces d tach es ad quate Une batterie ou une pile inappropri e risque de prendre feu ou d exploser Die Bereitschaftsbatterie die sich unter dem Diskettenlaufwerk befindet kann geringe Mengen Nickel und Cadmium enthalten Sie darf nur durch die Verkaufsstelle oder den IBM Kundendienst ausgetauscht werden Sie darf nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Die Batterie kann schwere Verbrennungen oder Ver tzungen verursachen Bei
351. supplies power to the machine and to lock the wall box in the off position e f you need to work on a machine that has exposed electrical circuits observe the following precautions Ensure that another person familiar with the power off controls is near you Remember Another person must be there to switch off the power if necessary Use only one hand when working with powered on electrical equipment keep the other hand in your pocket or behind your back Remember There must be a complete circuit to cause electrical shock By observing the above rule you may prevent a current from passing through your body When using testers set the controls correctly and use the approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and machine frames Observe the special safety precautions when you work with very high voltages these instructions are in the safety sections of maintenance information Use extreme care when measuring high voltages Introduction 15 e Regularly inspect and maintain your electrical hand tools for safe operational condition e Do not use worn or broken tools and testers e Never assume that power has been disconnected from a circuit First check that it has been powered off e Always look carefully for possible hazards in your work area Examples of these hazards are moi
352. system and the battery The storage switch is used to control the power to the internal microprocessor of the battery The storage switch should be set to off 0 only when the battery is going to be kept in storage for more than two months If the voltage is less than 8 0 V dc the battery pack has been discharged or is defective Recharge the battery If the recharging does not work go to Step 5 to check the charging circuit If the voltage is still less than 8 0 V dc after the recharging replace the battery If the voltage is more than 8 0 V dc measure the resistance between battery terminals 3 and 4 The resistance must be 4 to 30 kilohms If the resistance is not correct replace the battery pack If the resistance is correct replace the DC DC card To check the charging circuit do the following Plug in the AC Adapter with the battery pack removed then power on the computer Measure the charging voltage between DC DC terminals 1 and 4 ThinkPad 355x 360x 370C 750x 755C 755Cs 209 7 If the voltage is less then 9 0 V dc replace the DC DC card If the voltage is more than 9 0 V dc the charging circuit is working correctly replace the battery pack Checking the Car Battery Adapter There are two types of adapters but the checkout procedure is the same for both of them 1 2 Unplug the Car Battery Adapter cable from the computer Plug the Car Battery Adapter into the cigarette lighte
353. system board ThinkPad 755CD 755CDV 9545 321 4 lf the controller test runs without errors the drive read write tests start automatically 5 Ifthe drive test detects an error FRU code 50 for FDD 1 or 51 for FDD 2 appears If the diskette itself is known to be good replace the drive 6 If the drive is attached through a Port Replicator as FDD 1 or FDD 2 and the test detects errors move the drive to the computer s diskette drive connector directly and test it again as FDD 1 If no errors occur at the FDD 1 position the drive is not defective Go to Port Replicator Checkout in Common Devices Checkout section to isolate the replicator problem 7 If the drive is attached through an Expansion Unit go to the service manual of the Expansion Unit to isolate the problem 8 If the drive is attached through a Diskette Drive Attachment Unit replace the unit Power Systems Checkout To verify the symptom of the problem power on the computer using each of the power sources as follows 1 Remove the battery pack diskette drive and hard disk drive 2 Connect the AC Adapter and check that power is supplied 3 Install the diskette drive or hard disk drive one at a time and check that power is supplied from each power source 4 Disconnect the AC Adapter remove the hard disk and diskette drive and install the charged battery pack then check that power is supplied by battery pack If you suspect a power pro
354. t Set configuration from the Main Menu When you exit from Set configuration by pressing the F3 the customized configuration files will be restored onto the system partition as files CMOS and NVRAM Warning Do not run Run automatic configuration now or you will write over the customized configuration You are finished with the updating process Make a new backup copy of the system partition For information on making a backup copy see Making a System Partition Backup Copy Making a System Partition Backup Copy Note You might need two blank 2 0MB diskettes or the 1 di 3 old backup copy Power off the computer then power it on After the cursor moves to the upper right corner of the screen press Ctrl Alt Insert When the Main Menu appears select Backup Restore system programs then select Backup the system partition Insert a blank 2 0MB diskette into the diskette drive and follow the instructions on the screen Note If you receive a message indicating that the diskette is full and you are not prompted to insert a second diskette this means that you will not be able to make a backup copy of the entire system partition The user should keep the system diskettes and option diskette as a backup of these files ThinkPad 700 700C 720 720C 9552 101 5 When the copies are completed label each diskette Japanese Model Diskette Drive and Diskette The ThinkPad 700 uses a 1 44MB diskette drive B
355. t equal to the hibernate mode area size on the Hard Disk Drive 1XX 1 Top System Board Not listed above 2 Bottom System Board 2XX 1 Go to Memory Checkout on page 128 2 SO DIMM 3 Bottom System Board 3XX 1 Remove attached Before replacing FRUs external devices power off and then 2 Reseat cables power on the computer 3 Keyboard 4 Top System Board 6XX 1 Go to Diskette Drive Checkout on page 133 2 Diskette 3 Diskette Drive Cable 4 Diskette Drive 5 Top System Board O9XX 10XX 1 Top System Board 11XX 1 Modem 2 Top System Board 3 Bottom System Board 17XX 1 Go to Hard Disk Drive Checkout on page 133 2 Hard Disk Drive 3 Bottom System Board 24XX 1 External Display For external displays see 2 External Display Power the External Display Cord Self Test in the Common 3 Backlight Lamp Devices Checkout section Assembly before replacing any FRUs 4 LCD Assembly 5 Bottom System Board 6 Inverter Card 8000 1 Set Configuration 2 PCMCIA Card 3 Bottom System Board ThinkPad 701C 701CS 2630 143 Symptom Error FRU Action 860X 1 External Mouse Pointing device error when 2 External Keyboard TrackPoint III is disabled 3 Top System Board 4 Bottom System Board 861X Pointing device error when TrackPoint Ill is enabled Reseat the TrackPoint Ill cable the narrowest 86XX Not listed above keyboard cable at the Top Syste
356. tch For Germany Gray For Swiss Battery Terminal Assembly Frame Stiffener Voltage Converter w lid suspend switch Keyboard Control Card 84 key 85 key 89 key System Board 720 240 340MB Upgrade System Board 720 System Board 720C 240 340MB Upgrade System Board 720C Power Switch Knob Actuator For Germany Gray LED Junction Backup Battery Lithium Processor Card YO Connectors Cover Group For Germany Gray Bottom Cover Assembly 720 For European Countries For Belgian and Dutch For Germany Gray Bottom Cover Assembly 720C For European Countries For Belgian and Dutch For Germany Gray For Japan Model Unique Cover 720 For Germany Gray Model Unique Cover 720C For Germany Gray Door Hard Disk Drive For Germany Gray Hard Disk Drive 120MB 160MB 240MB 340MB 3 See FRU Service Procedures on page 124 44G3806 48G9321 53G8137 53G8138 53G7831 53G7832 85G8199 44G3875 53G9211 53G9179 53G9212 53G9180 53G9209 44G3811 49G2190 49G2036 44G3812 53G9202 44G3771 53G8114 44G3783 49G2096 49G2097 53G9204 53G7826 53G9205 53G7827 49G2140 49G2156 53G9208 44G3778 54G1045 44G3769 48G9315 53G9217 53G9219 53G9221 53G9181 53G9218 53G9220 53G9222 53G9182 53G9215 53G9183 53G9185 53G9184 53G9186 53G9172 53G9173 95F4744 54G0137 66G3200 53G7862 ThinkPad 700 700C 720 720C 9552 119 Index 16 Cover IC DRAM Card 53G9187 For Germany Gray 53G9188 17 Video Card 720 53
357. tching F8 Reserved F9 Reserved F10 Reserved F11 Power management mode switching Toggles High power Intelligent Economy F12 Hibernation invocation ThinkPad 755CE 755CSE 755CV 755CX 9545 423 How To Run the Keyboard Diagnostics Do the following to run the keyboard test 1 Go to the advanced diagnostic screen menu by pressing Ctrl A in the Easy Setup menu 2 Go to the keyboard diagnostic test menu by pressing Ctrl K 3 Check that when each key is pressed the key position on the keyboard layout on the screen changes to a black square Note When a Fn key is pressed a black square briefly appears Product Overview The following table shows an overview of the system features Feature Description Processor e 755CE 755CSE 755CV Intel DX4 100 33 MHz e 755CX P54C 75 MHz w L2 cache Bus e AT Bus Architecture VESA Local Bus for video subsystem Memory 8MB on the system board Standard Memory e 2 4 8 16MB Basic IC DRAM card Option max 16 MB e 4 16MB DIMM card max 32 MB e DIMM card adapter CMOS RAM 128 Bytes VGA Video e 755CE 755CV 10 4 inch 65536 colors TFT color LCD 755CSE 10 4 inch 256 colors STN color LCD 755CX 10 4 inch 65536 colors VGA TFT color LCD 640 by 480 resolution 10 4 inch 65536 colors SVGA TFT color LCD 800 by 600 resolution Diskette Drive Removable 0 720 1 2 1 44 2 88MB 4 mode
358. te When replacing the indicator insert the flexible cable straight into the connector until the head of the cable stops Slide both ends of the latches at the same time to make sure that the cable is correctly inserted Use the following table for reference when replacing parts Step Location Quantity Length Indicator bracket 2 4mm Note Make sure you use the correct screw 246 IBM Mobile Systems HMM 1070 LCD Assembly e Battery Pack 1020 e Keyboard Unit 1040 e Status Indicator 1060 When replacing the LCD ground terminal screw do not pull or push the LCD cables ThinkPad 355x 360x 370C 750x 755C 755Cs 247 OS When removing the LCD cables pull the connector straight up Incorrect handling can damage the connector Note For the color model make sure the indicator does not hook the most right LCD connector when replacing the status indicator Remove the screw Remove the right hinge cover When removing the left hinge cover use a small screwdriver as shown to release the latch from the rear base cover Pull the hinge cover slightly upward to keep it unlatched From the front side remove the latch with a small screwdriver as shown to remove the cover Be careful not to scratch the surface of the computer when you use a screwdriver to remove the latches Remove the four screws Use the following table for reference when replacing parts Step
359. te Drive e Battery Pack 1020 Warning 1 Check that the backup and standby batteries are seated correctly to prevent damage to the diskette drive 2 Do not put any pressure on the diskette drive cover Remove the diskette drive exactly as shown in the figure 3 Make sure that a diskette is not installed in the drive Removing the drive with a diskette installed causes bending or damaging the eject button After replacing the diskette drive latch the removal strap into the correct position ThinkPad 355x 360x 370C 750x 755C 755Cs 239 1035 Hard Disk Drive Battery Pack 1020 Warning t Do not apply any extra force to the hard disk drive when removing it Remove the hard disk drive exactly as shown in the figure Do not drop or apply any shock to the hard disk drive The hard disk drive is sensitive to physical shock Incorrect handling can damage it or cause permanent loss of data Before removing the hard disk drive have the user make a backup copy of all information on the hard disk Never remove the hard disk drive while the system is operating or is in suspend mode After replacing the hard disk drive latch the removal strap into the correct position 240 IBM Mobile Systems HMM 1040 Keyboard Unit e Battery Pack 1020 When removing the screw covers use a small screwdriver as shown EA Warning When using a scre
360. ted an error and displayed a FRU code The configuration is not the same as for the installed devices FRU Codes on page 144 Checking Installed Devices on page 157 Other symptoms such as LCD display problems Symptom to FRU Index on page 141 and then use the symptoms tables Symptoms cannot be recreated Intermittent problems Use the customer reported symptoms and also see Intermittent Problems on page 152 ThinkPad 701C 701CS 2630 127 General Checkout The diagnostic tests are intended to test only IBM products Non IBM products prototype cards or modified options can give false errors and invalid system responses Warning e Only trained personnel should service the computer e Drives in the computer that you are servicing might have been rearranged or the drive startup sequence might have been altered Be extremely careful during write operations such as copying saving or formatting Data or programs can be destroyed if you select an incorrect drive Perform the following procedures to complete a general checkout 1 Power off the computer and all external devices 2 Check all cables and power cords for correct connection 3 Power on all external devices Power on the computer 5 Press the F1 key any time while the POST memory count is proceeding The computer emits one short beep at the end of POST and the Easy Setup screen appears If
361. tems HMM Power Management Features The suspend and resume functions are unique methods used to save battery power In suspend mode all tasks are suspended and their present states are stored in memory to save power Also the system enters a sleep state where only a minimum amount of power is used When the computer returns to normal operation using the resume function the computer restores the same states as when it entered suspend mode Full and Partial Suspend Modes Suspend mode might be referred as full suspend mode as compared to partial suspend mode The computer enters partial suspend mode when an application software program interferes with the power management capability of the computer and prevents it from entering full suspend mode The following sounds indicate suspend mode has occurred e One beep for full suspend mode e Two beeps for partial suspend mode No beep is heard if the Power controller beep parameter is set to off in the Set Advanced Features program The computer enters suspend mode when e The LCD is closed the switch is located on the voltage converter card e The specified time has elapsed from the last operation with the keyboard mouse hard disk drive parallel connector diskette drive and AC adapter is plugged in The time is specified by System suspend in the Set Advanced Features program e When a battery low condition exists the battery power indicator blinks orange e The PS2 O
362. ter replace the standby battery and go to the next step 6 Ensure that the AC Adapter is plugged into the computer then power on the computer 7 Charging of the standby battery starts A depleted battery needs approximately 30 minutes to be recharged to the operational voltage of 3 5 V dc Unplug the AC Adapter 9 Verify the standby battery function by removing and installing the battery pack during suspend mode Note Removing and installing the battery pack during suspend mode should be done within one minute 9 The resume operation must start If the resume operation does not work switching of power from the battery pack to standby battery will not be correct Replace the system board Power Management Features Two power management modes are provided by the computer to save power consumption and prolong battery power For the details of the two modes see the latest volume of the Hardware Maintenance Manual for ThinkPad computers Standby Mode When in standby mode the following occurs e The LCD backlight turns off e The hard disk motor stops ThinkPad 340x IBM 2610 33 Suspend Mode When in suspend mode the following occurs e The LCD power is powered off e The hard disk is powered off e The CPU is stopped Notes 1 In the ThinkPad Features Program the computer can be set to Will not suspend even if LCD is closed 2 When the computer is powered with ac power and is use
363. ter changes to TV reception when the removable diskette drive is replaced with the TV Tuner The TV screen and normal computer display are easily switched by using the Hot key on the front panel of the TV Tuner Identifying Names and Functions The following figure and table show the names and functions of each part of the TV Tuner 13 X H G 5 Ho Icons Functions Front Panel Used to change the TV channels switch TV mode to computer mode and operate most functions of the TV Tuner H Headphone Jack Connects the headphones A E Power Indicator Shows the TV Tuner is powered on EI Power Switch Powered on and off the TV Tuner H Hot Key Switches between the TV screen and computer screen IH Up Switch Increases the value such as the channel number Down Switch Decreases the value such ea as the channel number Common Devices Checkout 477 E TV EXT Switch MG Icons Functions E Function Key Enters the mode to change Fn the value of each function such as TV channel or color contrast See Using the Function Key on page 479 Switches the TV mode or external video mode amp Volume Knob A Controls the speaker volume Audio In Jack a Connects the audio in connector of the AV cable Video In Jack Qo Connects video in connector of the AV cable RF Connector Di Connects the active anten
364. tery in the appropriate parts listing when replacing the battery pack Use of an incorrect battery can result in ignition or explosion of the battery La batterie contient du nickel Ne la d montez pas ne l exposez ni au feu ni a l eau Ne la mettez pas en court circuit Pour la mettre au rebut conformez vous a la r glementation en vigueur Lorsque vous remplacez la batterie veillez a n utiliser que les mod les cit s dans la liste de pi ces d tach es ad quate En effet une batterie inappropri e risque de prendre feu ou d exploser Akkus enthalten geringe Mengen von Nickel Sie d rfen nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren La batteria contiene piccole quantit di nichel Non smontarla gettarla nel fuoco o nell acqua n cortocircuitarla Smaltirla secondo la normativa in vigore DPR 915 82 successive disposizioni e disposizioni locali Quando si sostituisce la batteria utilizzare soltanto i tipi inseriti nell appropriato Catalogo parti L impiego di una batteria non adatta potrebbe determinare l incendio o l esplosione della batteria stessa Las baterias contienen pequefias cantidades de niquel No las desmonte ni reca
365. tery voltage One beep every second System is entering Suspend mode due to low battery voltage 1 Connect the AC adapter or install a fully charged battery 1 Connect the AC adapter or install a fully charged battery allows system to suspend operation before changing the battery Two short beeps with error codes 1 POST error See Numeric Error Codes on page 142 Two short beeps with blank screen Top System Board 2 Bottom System Board No Beep Symptoms Symptom Error FRU Action No beep power on indicator not on and a blank LCD during POST 1 Go to Power Systems Checkout on page 135 2 Top System Board 3 Power sources No beep power on indicator 1 Top System Board on and a blank LCD during 2 Bottom System Board POST No beep power on indicator on and a blinking cursor only during POST Top System Board 2 Bottom System Board No beep during POST but system runs correctly Turn the volume up 2 Speaker 3 Top System Board LCD Related Video Symptoms Note that LCD related symptoms might be a result of software problems Therefore before working on hardware to correct video problems make sure that the system has the latest versions of the video drivers installed Systems that do not have the latest versions of video drivers might experience symptoms such as random extra pixels 14
366. than the recommended maximum power If the maximum usage for each device occurs simultaneously the total current can exceed the replicator power limit thereby causing a power shut down Isolate this problem by removing one of the devices and using the computer under the same condition to see whether a power shut down occurs Do this procedure for all devices then determine the cause ThinkPad 755CE 755CSE 755CV 755CX 9545 407 Symptom to FRU Index The Symptom to FRU Index lists the symptoms and errors and the possible causes The most likely cause is listed first Note Perform the FRU replacement or actions in the sequence shown in the FRU Action columns If a FRU did not solve the problem put the original part back in the computer Do not replace a non defective FRU This index can also be used to help you decide which FRUs to have available when servicing a computer Numeric error codes show the errors detected in POST or system operation In the following error codes X can be any number If no codes are available use narrative symptoms If the symptom is not listed go to Undetermined Problems on page 419 Note For IBM devices not supported by diagnostic codes of the ThinkPad computers see the manual for that device Numeric Error Codes Symptom Error FRU Action 10X 1 System Board 110 1 Go to Memory Checkout on page 393 2 IC DRAM Card or DIMM Card 3 System Board
367. that the power on indicator is on e If the power on indicator does not turn on check the power cord for correct continuity and installation e Ifthe problem is not corrected replace the quick charger or the power cord 3 Install the battery pack into the quick charger e If the charging indicator does not start blinking replace the quick charger Checking the Backup Battery 1 Power off the computer and unplug the AC Adapter from the computer 2 Open the keyboard and remove the battery pack and the diskette drive 3 Remove the backup battery from the system board 4 Measure the voltage of the backup battery See the following figure Red Black Wire Voltage V dc Red 2 5 to 3 7 Black Ground e If the voltage is correct replace the system board e If the voltage is not correct the backup battery has been discharged Replace the backup battery ThinkPad 355x 360x 370C 750x 755C 755Cs 211 e If the backup battery discharges quickly after replacement replace the system board Checking the Standby Battery 1 Power off the computer and unplug the AC Adapter from the computer 2 Open the keyboard and remove the battery pack and the diskette drive 3 Remove the standby battery 4 Measure the voltage of the standby battery If the voltage between red and black is 3 5 V dc or greater the voltage is correct Go to Step 10 on page 213 to verify standby battery operation If th
368. the failure is operating correctly See Power Systems Checkout on page 207 1 Power off the computer 2 Check the cables wires and connectors for short circuits and open circuits Visually check them for damage If any problems are found replace the FRU 3 Remove or disconnect all of the following devices a Non IBM devices b Devices attached to the expansion bus connector Printer mouse and other external devices Battery pack Hard disk drive Diskette drive or the device attached to the diskette drive connector IC DRAM card or DIMM card PC cards Note Remember that removing the hard disk drive an IC DRAM card or any adapter or device might cause configuration errors Ignore error code 174 4 Power on the computer Determine if the problem has changed 6 If the problem does not occur again reconnect the removed devices one at a time until you find the failing FRU 7 If the problem remains replace the following FRUs one at a time Do not replace a non defective FRU e DC DC card e Audio card e Interposer card e LCD assembly e System board e Processor card 370C 750Ce 755C and 755Cs DSL ze a ThinkPad 355x 360x 370C 750x 755C 755Cs 227 Related Service Procedures This section provides information about the following e Status Indicators e How to Run the Diagnostics on page 229 e Error Log on page 229 e Checking the Installed Devices List
369. the keyboard connections and recheck the keyboard responses If the problem remains replace the following FRUs one at a time to correct the problem Keyboard Keyboard control card System board e f a 00030100 error message appears power off the computer and the external devices Then power on the computer before you power on the external devices Common Devices Checkout 471 Fax Modem Checkout 001 Power off the computer Ensure that the modem is installed correctly If the modem never worked in customer mode ensure that all drivers are loaded correctly onto the computer Ensure that the communication program is supported on the computer Ensure that the public switch telephone network PSTN cable and the data access arrangement DAA cable if installed are connected correctly If you need to correct one of the above conditions do so now then continue Note PCMCIA cards can be inserted and removed while the system is powered on Power on the system Insert the IBM Data FAX Modem diskette into the default diskette drive If you are servicing a High Speed Internal Data Fax Modem Models FC3632 and FC3650 at the DOS prompt for example A type IBMDIAG then press Enter If you are servicing a PCMCIA Data FAX Modem Models FC3634 and FC3635 at the DOS prompt for example A type ESTDIAG then press Enter Follow the instructions on the
370. the LCD e When cleaning of the LCD becomes necessary gently wipe the LCD with a dry soft cloth Do not use alcohol or detergent to clean the LCD e To avoid damaging the LCD do not scratch or apply any force to its surface e Do not put anything on the surface of the LCD 276 IBM Mobile Systems HMM 2080 Speaker Shield Assembly Battery Pack 2020 Diskette Drive 2030 Hard Disk Drive 2035 Keyboard Unit 2040 Status Indicator 2060 LCD Assembly 2070 Models 750x 755C and 755Cs 9 ThinkPad 355x 360x 370C 750x 755C 755Cs 277 Model 370C Important 1 Carefully remove any metal particles that might have flaked off 2 The shaded part in the figure is attached to the speaker shield assembly with light adhesive This FRU is a separate FRU from the speaker shield assembly Remove the screws Gently raise the speaker shield assembly to avoid damaging the speaker cable and make sure that the shield assembly does not hook the three flexible cables of the keyboard El Disconnect the speaker connector No 278 IBM Mobile Systems HMM m When Disconnecting the Connector card is removed will damage the speaker computer base e Do not pull the speaker cable before the audio e Be careful not to damage the speaker with screwdrivers screws or other objects A scratch e When replacing the speaker shield insert it under the project
371. this manual part number 30H2357 Your input will help us to improve our publications Please photocopy this survey complete it and then fax it to IBM HMM Survey at 919 543 8167 USA Name Phone Number 1 Do you like this manual Yes No 2 What would you like to see added changed or deleted in this manual 3 What is your service experience level Less than five years More than five years 4 Which ThinkPad systems do you service most Thanks in advance for your response Miscellaneous Information 491 Do You Need Technical References We have a wide range of hardware technical references that provide in depth information about IBM personal computer products Our Technical Reference Library includes information about e Micro Channel Setup and Subsystem Control Block architectures e Common interfaces including microprocessors system timers parallel and serial port controllers keyboards and keystrokes SCSI DMA video and more e Specific Personal System 2 systems including system board connectors jumpers memory subsystems I O subsystems programming interfaces and registers and error codes e Basic input output system BIOS e Options and adapters For a free catalog of our current offerings please photocopy this form complete it and then fax it to Hardware Technical References at 919 543 8167 USA I
372. tion of the inverter card Afin d viter tout risque de choc lectrique ne retirez pas le cache en plastique prot geant la partie inf rieure de la carte d alimentation Aus Sicherheitsgr nden die Kunststoffabdeckung die den unteren Teil der Spannungswandlerplatine umgibt nicht entfernen Per evitare scosse elettriche non rimuovere la copertura in plastica che avvolge la parte inferiore della scheda invertitore Para evitar descargas no quite la cubierta de plastico que rodea la parte baja de la tarjeta invertida m Safety Notice 7 Though main batteries have low voltage a shorted or grounded battery can produce enough current to burn combustible materials or personnel Bien que le voltage des batteries principales soit peu lev le court circuit ou la mise la masse d une batterie peut produire suffisamment de courant pour br ler des mat riaux combustibles ou causer des br lures corporelles graves Obwohl Hauptbatterien eine niedrige Spannung haben k nnen sie doch bei Kurzschlu oder Erdung genug Strom abgeben um brennbare Materialien zu entz nden oder Verletzungen bei Personen hervorzurufen Sebbene le batterie di alimentazione siano a basso voltaggio una batteria in corto circuito o a massa pu fornire corrente sufficiente da bruciare materiali combustibili o provocare ustioni ai tecnici di manutenzione Aunque las bater as principales tienen un voltaje bajo una bater a cortocircuitada o
373. toms Symptom Error FRU Action Power shut down during operation 1 Go to Power Systems Checkout on page 398 2 Battery Pack 3 Remove the battery pack and let it cool for two hours 4 DC DC Card 5 Power sources The system will not power off See Reset Pushbutton on page 422 1 Press the Reset pushbutton 2 System Board 416 IBM Mobile Systems HMM Function Audio Related Symptoms Symptom Error FRU Action The system will not suspend or resume by opening or closing the keyboard 1 Go to Suspend Mode on page 405 and check that the computer can enter suspend mode DC DC Card Interposer Card System Board EFO The system will not suspend or resume by opening or closing the LCD Go to Suspend Mode on page 405 and that check that the computer can enter suspend mode 2 Interposer Card 3 DC DC Card 4 System Board Battery Fuel Gauge does not go higher than 90 Go to Checking the Battery Pack on page 399 and see the note Memory count size appears differently from actual size Go to Memory Checkout on page 393 System configuration does not match the installed devices Go to Checking the Installed Devices List on page 422 System hangs intermittently Go to Intermittent Problems on page 418 Peripheral Device Related Symptoms Symptom Error
374. tor m Safety Notice 6 Translation on page 12 To avoid shock do not remove the plastic cover that surrounds the lower portion of the inverter card Remove the inverter card from the top system board shown in the figure on page 164 EJ Remove the infrared window from the inverter card shown in the figure on page 164 Removing Bottom System Board and Modem E Remove the screw BL holding in the bottom system board shown in the figure on page 165 HJ Remove the two screws BC located on the docking connector shown in the figure on page 165 Replacement When you replace these screws use the following order 1 Install one docking connector screw 2 Install the bottom system board screw from step HJ 3 Install the other docking connector screw m Safety Notice 4 Translation on page 10 The backup battery is a lithium battery and can cause a fire explosion or severe burn Do not recharge it remove its polarized connector disassemble it heat it above 100 degrees C 212 degrees F incinerate it or expose its cell contents to water Dispose of the battery as required by local ordinances or regulations Use of an incorrect battery can result in ignition or explosion of the battery Replacement batteries can be ordered from IBM or IBM Authorized Dealers Remove the bottom system board and the attached modem shown in the figure on page 165 To remove the bottom system board push in lightly
375. toward the back of the computer Do not allow the wires to cross 5 Be careful to keep the cable in the correct position as you complete the assembly of the computer ThinkPad 701C 701CS 2630 177 Replacing the Top System Board Perform the following steps when you replace the top system board is Before inserting the top system board move the power switch cover forward toward the front of the base assembly Make sure that the spring in the power switch is fully inside the plastic housing Insert the top system board tilting the board to the left and aligning the appropriate connectors with the slots on the base assembly Be careful to align the power switch cover with the switch mechanism on the board Gently press the battery pack connector down to place the connector in the slot on the base assembly Ensure that the inverter card is firmly attached to the top system board and that the infrared window is attached to the inverter card The infrared window has a top and bottom Install the window with the long side with the partial cutout facing the top of the inverter card Feed the speaker cable between the inverter card and the top system board to the right of the inverter card connector to the board As you press lightly down on the top system board and the inverter card slip the bottom corners of the inverter card into the slots in the base assembly Gently but firmly press on the middle of the top system board to finish
376. tteries in the remote control are at their normal energy voltage level 3 Enable the IR port of the computer with the ThinkPad Features program Disable the serial port at this time 4 Refer to the trouble shooting section in the Help menu of the Mind Path Presentation F X program Set up this program following the guide 5 If the preceding items are correct the radiation from the light of the overhead projector might be interfering the IR port of the computer Disable the rear IR port of the computer and use the remote control with the front IR port 6 Use the remote control with another computer which IR port works normally If the remote control does not work the remote control is not working properly If there is still a problem refer to Infrared Related Symptoms on page 342 338 IBM Mobile Systems HMM Keyboard TrackPoint Ill Related Symptoms Symptom Error FRU Action Keyboard one or more keys does not work 1 Reseat the three keyboard cables Keyboard Video Card System Board PN TrackPoint III does not work Go to TrackPoint Ill Checkout on page 320 Keyboard Video Card System Board RON Pointer moves automatically or does not work correctly See TrackPoint III Checkout on page 320 Indicator Related Symptoms Symptom Error FRU Action Indicator incorrectly remains off or on but system runs corre
377. u are hammering drilling soldering cutting wire attaching springs using solvents or working in any other conditions that might be hazardous to your eyes After service reinstall all safety shields guards labels and ground wires Replace any safety device that is worn or defective Reinstall all covers correctly before returning the machine to the customer IBM Mobile Systems HMM Electrical Safety Observe the following rules when working on electrical equipment m Important Use only approved tools and test equipment Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents Many customers have near their equipment rubber floor mats that contain small conductive fibers to decrease electrostatic discharges Do not use this type of mat to protect yourself from electrical shock e Find the room emergency power off EPO switch disconnecting switch or electrical outlet If an electrical accident occurs you can then operate the switch or unplug the power cord quickly e Do not work alone under hazardous conditions or near equipment that has hazardous voltages e Disconnect all power before Performing a mechanical inspection Working near power supplies Removing or installing main units e Before you start to work on the machine unplug the power cord If you cannot unplug it ask the customer to power off the wall box that
378. ug the AC Adapter cable from the ac power outlet and wait five minutes or longer to allow the over voltage protection circuit to be fully discharged and initialized Plug the AC Adapter cable into the ac power outlet Measure the output voltage of the AC Adapter 5 If the voltage is still not correct replace the AC Adapter Note An audible noise from the AC Adapter does not always indicate a defective adapter Ai Checking Operational Charging To check operational charging use a discharged battery pack or a battery pack that shows a yellow or orange battery status indicator when it installed in the computer Perform operational charging If the battery status indicator turns orange and the battery charging indicator turns green within two minutes replace the AC Adapter ThinkPad 755CD 755CDV 9545 323 Checking the Battery Pack Battery charging will not start until the Fuel Gauge shows that less than 90 of the total power remains with this condition the battery pack will charge to 100 of its capacity This protects the battery pack from being over charged or having a shortened life Before you do the following steps check the following e The correct battery pack is used for the model e The storage switch set to on 1 Power off the computer 2 Remove the battery pack and measure the voltage between battery terminals 1 and 4 See the following figure Ni MH Battery Pack Terminal Volta
379. ust the pointer sensor During this process the pointer moves about the screen for a short time This self acting pointer movement can occur when a slight steady pressure is applied to the TrackPoint III pointer when the computer is powered on when the system is running or when readjustment is required because the temperature has changed significantly within a short period of time or the temperature is higher than its operating temperature This symptom does not indicate a hardware problem No service actions are necessary if the pointer movement stops in a short period of time However the TrackPoint III will not stabilize if you apply pressure to it If pointer movement occurs you can go into Suspend mode and then resume normal operation Resuming or turning the computer on both cause the TrackPoint Ill to be calibrated which may correct the problem If you see continual movement of the pointer the TrackPoint Ill is probably defective In rare cases the top system board can also cause this problem If a click button problem or TrackPoint III problem occurs perform the following steps 1 Power off the computer and then power it on again 2 Press the F1 key any time while the POST memory count is proceeding At the end of the memory test the Easy Setup screen appears 3 Select an item with the TrackPoint III 4 Press either the left or right click button 5 Verify that both buttons work correctly If either the TrackPoi
380. ut 2 System Board Keyboard Auxiliary Input Device Checkout 1 TrackPoint Il and Ill Checkout Diskette Drive Test Power Systems Checkout Power Management Features Symptom to FRU Index Numeric Error Codes PRU Godes assur soe ae ety Se PALA ae a Beep Symptoms No Beep Symptoms LCD Related Symptoms Keyboard TrackPoint II or Ill Related Symptoms Indicator Related Symptoms Power Related Symptoms Function Audio Related Symptoms Peripheral Device Related Symptoms Other Symptoms Intermittent Problems 2 Undetermined Problems Related Service Procedures 2 Status Indicators How to Run the Diagnostics Error Logi cipria i oe AE GE Reset Pushbutton Checking the Installed Devices List How to Run the Low Level Format PC TestCardLED Fn Key Combinations How To Run the Keyboard Diagnostics Product Overview 2 4 FRU Removals and Replacements 1010 Rear Connector Door 1020 Battery Pack 1030 Backup Battery 1040 IC DRAM Card 1050 Standby Battery ooo aaa 1060 Top Cover 1070 Indicator Card 1080 Keyboard Unit
381. verview 424 FRU Removals and Replacements 426 1010 Rear Connector Door 427 TOTS FOOL ets ep oe ete dn A Bee 427 1020 Battery Pack 428 1030 Diskette Drive 429 1040 Hard Disk Drive 430 1050 IC DRAM Card or DIMM Adapter 431 1070 Diskette Drive Bezel 434 1080 Keyboard Unit 435 1090 Status Indicator 2 2 437 1100 Standby Battery and Front IR 438 1110 Backup Battery 439 1115 Logic Assembly 440 1120 Shield Assembly 442 Copyright IBM Corp 1995 391 1130 DC DC Cardo 445 1140 DSP Card 446 1150 Interposer Card and Rear IR 447 1160 System Board Assembly 448 1170 PCMCIA Slot Assembly 449 1180 Processor Card 451 1190 LCD Assembly 453 1195 LCD Rear Cover 755CV only 455 1200 Lower Shield Assembly 456 1210 Memory Card 457 LOCAatiIONS ie aid E a eek GE a ERs 458 EFONt VIEW preg cn e ae oe atte Seer hoe ua 458 Rear View 459 Parts Listings fcr ne ee Me ei a 460 Common Option Parts List 464 392 IBM Mobile Systems HMM General Checkout Use the following procedure as a guide for computer problems Note The diagnostic tests are intended to test only IBM products Non IBM products prototype cards or modified options can give false errors and invalid system responses 1 Obtain the failing
382. w Incorrect washer placement can cause metal to flake ThinkPad 355x 360x 370C 750x 755C 755Cs 287 Turn the system board upside down Remove the screws EJ and IH Models 370C 755C and 755Cs have only the screw on the right side in step 5 Notes 1 In step fj use 5 0 mm and 5 5 mm hex head screwdrivers To remove the processor card gently lift the area shown by straight up Do not pull the other areas 2 In step IH pull both edges of the bracket at the same time Do not pull the center of the bracket Use the following table for reference when replacing parts Step Location Quantity Length Expansion bus lower shield 2 Hex head VO connector lower shield 6 Hex head B Processor card 1 6 mm 6 Processor card connector 4 mm 750x 2 370C 755C 755Cs 1 Note Make sure you use the correct screw 288 IBM Mobile Systems HMM Locations System Front View 750 750Cx 755Cx 370C 360x 355x A o 5 g g g LCD Contrast Control Note The Model 360 does not have a contrast control The Model 755C has one of two types of LCD one with a contrast control and one without Brightness Control Status Indicator See Status Indicators on page 228 External Input Device Connector PCMCIA Slot PCMCIA Release Lever Keyboard LCD and Keyboard Latch TrackPoint II Click Button Diskette Eject Button Diskette Drive Fn Key ThinkPad 355x 360x 370C
383. wdriver to remove cover or latches be careful not to e Scratch the surface of the computer e Break the latches Open the keyboard Remove the leaf spring plate OS When unlatching the upper cover latches to remove the upper cover use a small screwdriver as shown ThinkPad 355x 360x 370C 750x 755C 755Cs 241 Track Point Il Cable IH Remove the upper cover Note To remove the upper cover do not latch the keyboard Lower the keyboard and remove the upper cover Disconnect the cables to remove the keyboard unit as shown Warning Do not pull the keyboard cables The keyboard cables can be damaged if the keyboard is disconnected without releasing the three latches J E Remove the keyboard Use the following table for reference when replacing parts Step Location Quantity Length Upper cover 2 8mm Note Make sure you use the correct screw 242 IBM Mobile Systems HMM Notes for when replacing 1 When replacing the keyboard check that the three cables are clean and inserted straight and fully into the connectors Slide both ends of each latch at the same time to make sure that each cable is correctly inserted Warning While pressing the cables into place be careful not to break the flexible cables Go to Keyboard Auxiliary Input Device Checkout on page 203 and test all keys before returning the computer to the customer
384. wer off the computer and unplug the AC Adapter from the computer Open the keyboard and remove the battery pack Remove the backup battery from the shield assembly Measure the voltage of the backup battery See the following figure IBM Mobile Systems HMM Red Wire Voltage V dc Red 2 5 to 3 7 Black Ground If the voltage is correct replace the system board If the voltage is not correct the backup battery has been discharged Replace the backup battery If the backup battery discharges quickly after replacement replace the system board Checking the Standby Battery 1 2 Power off the computer and unplug the AC Adapter from the computer Open the keyboard and remove the battery pack and the diskette drive Remove the standby battery Refer to 2100 Standby Battery and Front IR on page 363 to remove the battery Measure the voltage of the standby battery e Ifthe voltage between red and black is 3 5 V dc or greater the voltage is correct Go to Step 10 on page 328 to verify standby battery operation e If the voltage is less than 3 5 V dc go to the next step Plug the AC Adapter into the computer and power on the computer Measure the output voltage at the connector on the system board ThinkPad 755CD 755CDV 9545 327 Black Red Pin Voltage V dc 4 0 Ground e Ifthe voltage is less than 4 0 V dc replace the DC DC card
385. xt step 8 Power off the computer and unplug the AC adapter cable from the computer 9 Check for a short circuit between GND and VA VG VB or VC e If there is a short circuit replace the following FRUs one at a time to correct the problem Voltage converter System board e If there is no short circuit go to the next step 10 Check the output voltage of the AC adapter cable see Checking the AC Adapter on page 72 e If the output voltage is correct go to the next step 11 Replace the following FRUs one at a time Voltage converter System board Checking the Voltage Converter 720 720C Use the following procedure to isolate a problem with the ThinkPad 720 720C voltage converter 1 Power off the computer 2 Power off all attached devices and disconnect them from the computer 3 Unplug the AC adapter cable then remove the battery pack from the computer 4 Carefully place the computer bottom side up and remove the bottom cover 5 Plug the AC adapter cable into the computer 78 IBM Mobile Systems HMM Open the LCD half way then stand the computer on its front edges so that the suspend switch is not activated Power on the computer Check the voltages of the voltage converter on the system board See the following figure Notes a Make sure the suspend switch located to the left above the keyboard is not activated during measurement of the voltage b Only PG is marked on the
386. xternal Keyboard Mouse Keyboard Cable Mouse Mouse Ball and Pop Off Retainer Mouse Ball and Twist Off Retainer Mouse New Style Mouse Retainer Ring Miniature Mouse Enhanced Keyboards 101 102 Key 484 Country Arabic Belgian Canadian French Cyrillic Danish Dutch French German Greek Hebrew Italian Latin American Spanish Norwegian Portuguese Russian Cyrillic Spanish Swedish Finnish Swiss Swiss French Swiss German Turkish U K English U S English E ME A use only U S English Yugoslavian IBM Mobile Systems HMM 85F0002 64F4127 85F0063 33F8464 34F0025 57F2870 92F0330 32G4089 32G0084 92F0412 92F0167 38F8647 38F8646 85F0022 85F0021 38F8681 38F8682 92F0167 92F0269 92F0268 72X8537 61X8923 33F8461 33F8462 33G5420 33G5417 95F5723 1391490 1391414 1392011 1393866 1391407 1391511 1391402 1391403 1393285 1391408 1393395 1392015 1391409 1391410 1395622 1391405 1391411 1391412 1395881 1395882 1393286 1391406 1396790 1392090 1393669 Optional Enhanced Keyboards 101 102 Key with PS 2 Style Cable 59G7980 with AT Style Cable 59G7981 with 25mm PS 2 Trackball 59G7982 with 25mm Serial Trackball 59G9757 Keybutton Kits 101 102 Key Keybutton Kits R Belgian 1392033 Keybutton Kits R Canadian French 1392032 Keybutton Kits R Danish 1392026 Keybutton Kits R Dutch 1392034 Keybutton Kits R French 6447047 Keybutton Kits R German 6447048 Keybutto
387. ystem 750Ce Memory 4MB on the system board Standard Memory 2 4 8 16MB IC DRAM card max Maximum 20 MB CMOS RAM e 750x 256 Bytes e 750Ce 128 Bytes ThinkPad 355x 360x 370C 750x 755C 755Cs 233 Feature Description VGA Video e 750 9 5 inch diagonally 64 gray level STN LCD monochrome e 750C 755Ce 10 4 inch diagonally 256 color TFT LCD color e 750Cs 9 5 inch diagonally 256 color STN LCD color e 750P 9 5 inch diagonally 64 gray level STN LCD monochrome Diskette Drive Removable 0 720 1 2 1 44 2 88MB 4 mode 3 5 inch Hard Disk e 170MB 2 5 inch Drive e 340MB 2 5 inch Removable Audio Card Standard PCMCIA One Type lll or Two Type ll 234 IBM Mobile Systems HMM Models 755C 755Cs Feature Description Processor e SL Enhanced 486DX2 50MHz on the system board e 486DX4 75MHz on the processor card Bus e AT Bus Architecture e VESA Local Bus for video subsystem Memory 4MB on the system board Standard Memory e 2 4 8 16MB IC DRAM card max Option 16 MB e 4 16MB DIMM card max 32 MB e DIMM card adapter CMOS RAM 128 Bytes VGA Video e 755C 10 4 inch diagonally 256 256K color TFT LCD color 10 4 inch diagonally 256 226K color TFT LCD color e 755Cs 9 5 inch diagonally 256 4096 color DSTN LCD color Diskette Drive e 0 720 1
388. ystem programs and the Diagnostic Diskette contains the test programs The Diagnostic Diskette is not self starting To run the Diagnostic Diskette start the system from the Reference Diskette select Test the computer then follow the instructions on the screen Installing a New Version of the System Diskettes When you install the new system diskettes onto the hard disk all existing files including option files in the system partition are written over The new system diskettes provide the new system programs but they do not contain the option files therefore after completing the following process you must reinstall the option files There are two methods to reinstall the option files 1 Froma backup copy of the current system partition this is the easiest way to reinstall the option files For instructions on making a backup copy see Making a System Partition Backup Copy on page 101 2 From the original option diskettes Do the following for both methods 1 Insert the new version of the Reference Diskette into the diskette drive 2 Power off the computer then power it on After the cursor moves to the upper right corner of the screen press Citrl Alt Insert Warning This process writes over all existing files in the system partition Before continuing you must have either a backup copy of the current system partition or all the option diskettes so you can reinstall the option files 3 Go to the Main
389. ystem status is restored from the hard disk to resume operation Port Replicator Power Overload if intermittent power shut downs occur while using PCMCIA 2 devices through a port replicator suspect an over current problem Some PCMCIA devices use too much power and if the maximum usage of each device occurs simultaneously the total current could exceed the replicator limit thereby causing a power shut down Remove each device one at a time and repeat the sequence until problem fails to return Ten determine the cause 330 IBM Mobile Systems HMM Symptom to FRU Index The Symptom to FRU Index lists the symptoms and errors and the possible causes The most likely cause is listed first Perform the FRU replacement or actions in the sequence shown in the FRU Action columns If a FRU did not solve the problem put the original part back in the computer Do not replace a non defective FRU This index can also be used to help you decide which FRUs to have available when servicing a computer Numeric error codes show the errors detected in POST or system operation In the following error codes X can be any number If no codes are available use narrative symptoms If the symptom is not listed go to Undetermined Problems on page 343 Note For IBM devices not supported by diagnostic codes of the ThinkPad computers see the manual for that device Numeric Error Codes Symptom Error FRU Action 10X 1 System Board
390. ystem Board 00019102 1 Rerun diagnostics tests 2 If error remains see 000191XX 000191XX 1 Reseat System Board Not listed above 2 Reseat CPU chip Processor Card 3 System Board 00019200 1 Voltage Converter 2 Keyboard Control Card 3 System Board 00019201 1 Voltage Converter 00019202 1 Run System Unit Diagnostic If this error message appears frequently replace the Processor Card 00019300 00019301 1 System Board 00019305 00019302 1 Hard Disk Drive 2 System Board 00019303 1 System Board 2 Diskette Drive 00019304 1 PC Card 2 System Board 00019306 1 Keyboard Control Card 2 Keyboard 3 Pointing Device 00019400 1 Processor Card 000199XX 1 System Board 0001XXXX 1 System Board not listed above 2 Processor Card 000215XX 1 Reseat Base Memory Card interface connector on system board 84 IBM Mobile Systems HMM Symptom Error FRU Action 0002XXXX See Memory Checkout on page 70 before replacing any FRUs Base Memory Card 2 IC DRAM Card 3 System Board 00030100 00030500 Power on the computer before external devices See 1080 Keyboard Unit 1 Keyboard Control Card System Board 3 Keyboard p on page 54 before replacing 4 Numeric Keypad or any FRUs Keyboard Mouse Cable if attached or External Keyboard if attached 00030200 00030300 1 System Board 00030400 2 Keyboard Control Card See 1080 Keyboard Unit 3 Keyboard
391. ystem is present Restore System Partition If the above sequence does not correct the problem do the following ili 2 3 98 Power off the computer Insert the backup copy of the Reference Diskette into the diskette drive Power on the computer Note If the 199900X5 error message appears the power on password has been set To disable the power on password see Power On Password 700 700C on page 97 before continuing with the next step Select Backup Restore system programs from the Main Menu then select Restore the System Partition When the restore process completes select Set configuration then select Run automatic configuration Power off the computer and remove the backup copy of the Reference Diskette from the diskette drive Power on the computer IBM Mobile Systems HMM Hard Disk Low Level Format To format the hard disk and restore the system partition do the following Warning The following procedure causes permanent loss of the data on the hard disk Make sure that a backup of all the information on the hard disk is made 1 2 3 6 7 8 Power off the computer Insert the backup copy of the Reference Diskette into the diskette drive Power on the computer Proceed to the Main Menu Press Ctrl A to display the Advanced Diagnostic Menu Select Format the hard disk and follow the instructions on the screen to perform a low level format of the hard disk After the ha
392. ystems still will not connect after you have followed the preceding steps and the remote system is another computer with a terminal program for example Windows Terminal or Procomm installed perform the following tests 1 138 Set up the terminal application on each system to communicate with the infrared transceiver serial port at a speed of 115KB per second Type characters on the ThinkPad 701C 701CS keyboard and check to see whether or not these characters appear on the remote system Note that the characters you type will not appear on the ThinkPad 701C 701CS system Type characters on the remote keyboard and check to see whether or not these characters appear on the ThinkPad 701C 701CS system If characters do not appear in either step 2 or 3 and you are certain that infrared is working correctly on the remote system replace the inverter card If characters do appear consult the software vendor to ensure that the customer is using a compatible software package and that the setup parameters are correct IBM Mobile Systems HMM If data transfers between the ThinkPad 701C 701CS and the remote system are slow or unstable 1 Verify that the two systems are in close proximity less than 1 meter 3 2 feet apart for IRDA compliant devices and that the infrared window on the ThinkPad 701C 701CS is aligned with the remote device s window Ensure that the windows on both systems are clean and unobstructed

IBM 09-0572-000 Network Card User Manual

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