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Compaq 1624 Laptop User Manual

1. Computer won t turn on and battery pack is not inserted Power cords to the external power source are unplugged Ensure that power cords connecting the computer and the external power source are plugged in properly Power adapter is defective Replace AC Adapter and restart The system is designed not Windows will spin down the to timeout while on AC hard drive Windows can be power configured to power off the monitor using the display properties control panel applet Alternatively the user can change BIOS PM on AC in the BIOS setup System board is defective Replace the system board System initiated Hibernation Replace the battery pack with due to a critical low battery a fully charged battery pack condition or connect the computer to an external power source Then turn on the computer System initiated Hibernation Turn on the computer after a preset timeout In rare cases it may be necessary to remove the power cord and the battery wait 30 seconds and reinsert the power cord to power on the unit The above steps reset the keyboard controller which is usually always powered even when the computer appears to be off The computer doesn t timeout while on AC power Computer turned off while it was left unattended and the power icon is off Back to Troubleshooting Without Diagnostics Maintenance amp Service Guide Presario 1600 Series Portable Comp
2. Position the cable for the speaker assembly as shown below Speaker Assembly Cable Installation Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Preparing The Computer For Disassembly Disassembly The Compaq 1600 Series computer is a complex tool that Sequence Chart Removing the Battery Pack Palmrest Cover with Touch Pad Keyboard Heatspreader Status Panel Interface Board Hard Drive Battery Charger Board CD Drive Display Assembly Plastic Subpanel Assembly CD Drive Cable Speaker Assembly Modem Diskette Drive Fan Audio Assembly Board System Board Memory Module must be disassembled in a pre defined order Failure to adhere to the order can cause damage to the unit Start with this screen and work through the screens until the task is complete Then work through the screens in reverse order to reassemble the computer Remove the battery pack before performing any NOTE Pl internal maintenance on the computer To prepare the computer for disassembly complete the following steps m Disconnect AC power and any external devices Remove the battery pack Remove any PC Cards WARNING Metal objects can damage the battery pack as w
3. Fan Audio Assembly Board System Board Memory Module To remove the battery pack complete the following steps 1 Slide the battery door down 2 Slide the battery pack compartment door down and pull out the battery pack 3 To replace the battery pack reverse the removal procedure Back to Preparing the Computer for Disassembly Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Removing The Palmrest Cover with Touch Pad The palmrest cover with touch pad is the first component to be removed to gain access to any of the interior components of the computer leita it is not necessary to remove the display panel assembly to access the interior components of the computer Removing the Battery Pack Keyboard Heatspreader Status Panel Interface Board Hard Drive Battery Charger Board CD Drive Display Removing the Screws from the Palmrest Cover Assembly with Touch Pad Plastic Subpanel Assembly CD Drive Cable Speaker Assembly Modem Diskette Drive Fan Audio Assembly Board System Board Memory Module To remove the palmrest cover with touch pad complete the following Disassembly 2 Close the computer and tu
4. Models and Features Front Of Unit Right Side Components Bottom Of Unit Left Side Components Left Side Components 1 4 Battery Modem Phone Compartment Jack 2 Diskette 5 Left Drive Slot Speaker Port 3 Diskette Eject Button Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Right Side Components Models and Right Side Features ce Components 1 Front Of Headphone Unit Line Out sae k Left Side Components 3 External Bottom Of Microphone Unit ack 4 CD Drive 5 CD Drive Light Right Side Components Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Bottom Of Unit Models and kr Features Unit Front Of en Unit Left Side 2 Beet Components Right Side Components Bottom of Unit Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery
5. Model 1 NiMH Battery Pack 4 0 hours premature 2 00 hr termination Model 2 Li ion Battery Pack 4 5 hours premature 2 50 Nr termination Disposal of a Used Battery Pack In the interest of safeguarding our environment Compaq Computer Corporation recommends that nickel metal hydride NiMH and lithium ion Li ion battery packs be recycled Handle battery packs in accordance with country state province or local regulations CAUTION Never attempt to open or service a battery pack Opening a battery EN pack not only damages the pack and makes it unusable but also exposes potentially harmful battery components Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Models amp Features Models Front Of Les nn rs pls relevant features of Compaq Presario Unit eries Portable Computers Left Side Model 1625 Model 1635 Model 1640 PS Display 12 1 HPA 12 1 TFT 12 1 TFT ht Right Side Processor AEn AMD K6 266 MMX 233 MMX 266 MMX Bottom Of Hard Drives 3 2 GB 3 2 GB 4 GB Unit Speaker Assembly JBL Pro JBL Pro JBL Pro Modem K 56K D F M 56K D F K 56 K D F Features All models of the computer have the following features 1 44 MB 3 5 inch diskette drive Built in 24x
6. This chapter presents the removal and replacement procedures for the computer ESD Service Considerations Cable Positions Preparing the Computer for Disassembly Serial Number Location Serial Number Location Report the computer serial number to Compaq when requesting information or ordering spare parts The serial number is displayed on the bottom of the computer Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Specifications This section covers the following specifications of Compag Presario 1600 Series Portable Computers Physical and Environmental Specifications System Interrupts System DMA System I O Address System Memory Map Memory Expansion Diskette Drive Hard Drive CD Drive Battery Pack Dip Switch Settings Physical and Environmental Specifications U S Metric Dimensions Model 1625 Model 1635 Model 1640 Stand Alone Battery Pack Power Requirements Nominal Operating Maximum Average Peak Operating AC Power Requirements Operating Voltage Operating Current 0 8 0 4 A RMS Operating Frequency 47 63 Hz Meets IEC 801 4 and IEC801 5 Maximum Transient 1kV for 50 ns Temperature Operating 50 to 95 F 110 to 35 C N
7. ES1869 Plug and Play AudioDrive IDMA2 Diskette Drive IDMA4 Direct Memory Access Controller Back to top r y stema 1 0 Address M o000h 000Fh DMA Controller 1 8 0020h 0021h interrupt Controller 1 2 0022h 0024h Motherboard resources A 0040h 0043h System timer o060h 0060h Keyboard en 0061h 0061h System speaker n 0064h 0064h Standard 101 102 Key or Microsoft Natural Keyboard 0070h 0071h System CMOS real time clock 0080h 0080h Motherboard resources 0081h 008Fh DMA Controller 0092h 0092h Motherboard resources O0AOh 00Alh Programmable interrupt controller 00COh OODFh DMA Controller QOECh OOEFh Motherboard resources ss S OOFOh OOFFh Numeric data processor 0170h 0177h Secondary IDE controller dual FI FO 0170h 0177h Opti Dual PCI IDE Controller O1FOh 01F7h Opti Dual PCI IDE Controller I O1FOh 01F7h Primary IDE controller dual FIFO 0201h 0201h Gameport Joystick 0220h 022Fh ES1869 Plug and Play AudioDrive 0330h 0331h ES1869 Plug and Play AudioDrive 0370h 0371h Motherboard resources 0376h 0376h Secondary IDE controller dual FIFO 0376h 0376h Opti Dual PCI IDE Controller 0378h 037Fh Printer Port LPT1 0388h 038Bh ES1869 Plug and Play AudioDrive 03B0h 03BBh MagicGraph128XD 03C0h 03DFh MagicGraph128XD 03F0h 03F5h Diskette Drive Controller 03F6h 03F6h Primary IDE
8. MBO 32M 16MB 32MB f 48 MB IM CAMBY 8M 32MB MBL 4M Po 32MB 32MB MBO 32MB 6MB f 9 M 64 MB 16MB 8M 64MB 32MB 96 MB MM 64MB 128 MB O3 Run the PHDISK utility to increase the size of the hibernation file for the larger memory size Back to top Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Connector Pin Assignments This section provides connector pin assignment tables for Compaq Presario 1600 Series Portable Computers and the Compaq Port Replicator for selected models For more information on connectors refer to Rear Connectors for connectors located on the computer and Port Replicator for connectors located on the port replicator NOTE The signals in all tables of this appendix are considered active high MW unless otherwise indicated by an asterisk Parallel Connector Serial Connector Keyboard Mouse External VGA Monitor Phone Line to Wall J ack Port Replicator Parallel Connector 60010000060 6 a 6 18 Od Gl Gd 68 3 PAP Strobe o Acknowledge patasito ai Buy 3 Data Bitl 12 Paperout SCS 4 DataBit2 13 Select SOSCSCSC lt Act
9. Place the cables in such a manner that they cannot be caught or snagged by parts being removed or replaced Handle flex cables with extreme care they can tear easily CAUTION When servicing these computers ensure that cables are placed in their proper location during the reassembly process Improper cable placement can cause severe damage to the unit Plastic Parts Plastic parts can be damaged by the use of excessive force during disassembly and reassembly When handling the plastic parts use care Apply pressure only at the points designated in the maintenance instructions ZI F Connectors Compaq uses a zero insertion force ZIF connector for the keyboard cable to the system board To remove a cable from a ZIF connector lift both corners of the ZIF connector and slide simultaneously with constant light force Then remove the cable as shown below CAUTION A ZIF connector and its attached cable can be easily damaged Handle only the connector slide when removing or replacing a cable Never pull or twist on the cable while it is connected Removing a Cable from a ZIF Connector Position the ribbon cable for the 3 2 GB or 4 0 GB hard drive as shown below 3 2 GB or 4 0 GB Hard Drive Data Cable Installation Position the ribbon cable for the CD drive as shown below CD Drive Data Cable Installation Position the ribbon cable for the diskette drive as shown below Diskette Drive Data Cable Installation
10. The basic steps in troubleshooting include 1 Following the Preliminary Steps 2 Running the Power On Self Test POST 3 If you are unable to run POST you may Troubleshoot Without Diagnostics Search for Error Code by number Perform the recommended actions in the order listed Rerun POST after each recommended action until the problem is solved and no error message occurs Once the problem is solved do not complete the remaining recommended actions NOTE If the problem is intermittent check the computer several times to verify that the me problem is solved Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Illustrated Parts Catalog System Unit Boards Display Mass Storage Devices Cables Miscellaneous Hardware and Screws This chapter provides an illustrated parts breakdown and identifies the spare parts ordering number associated with each item s for Compaq Presario 1600 Series Portable Computers Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Removal amp Replacement Procedure
11. charged Battery pack was exposed to Allow time for the battery pack temperature extremes to return to room temperature Battery pack is at end of its Replace battery pack life RTC battery is dead Replace the RTC battery Adjust the volume You have to set the date and time every time you turn on the computer Battery charge does not last as Battery is being exposed to long as expected high temperatures or extremely cold temperatures Keep the battery pack within the recommended operating temperature range 50 F to 104 F 10 C to 40 C or recommended storage range 4 F to 86 F 20 C to 30 C Recharge the battery pack Battery has partially self discharged Recharge the battery Discharge the battery completely and then recharge it Power management is Set a power management level disabled in Computer Setup An external device or PC Card Turn off or disconnect external is draining the battery devices when not using them Battery pack is warm to the Normal warming has occurred No action is required touch after charging due to charging Battery pack operating time is Power management is turned Enable power management in far less than the documented off or disabled Computer Setup and in average operating time Windows Power Properties An external device or PC Card Turn off or disconnect external is draining the battery devices when not using them Battery
12. CD drive Ported stereo speakers TouchPad Easy Access CD Control Buttons 91 key Three Windows 95 keys 12 function keys keyboard External AC adapter PC Card slots capable of handling one of the following card combinations Two Type or Type II PC cards One Type III PC card e Battery power management features include the following Advanced Power Management APM Suspend mode Screen save Hibernation e Password security e Preinstalled software Windows 95 OSR 2 5 or Windows 98 Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Front of Unit Models and Features Left Side Components Right Side Components Bottom Of Unit i I a fF MU EN Front of Unit Front of Unit 1 Display 9 CD Previous 2 Power On Off Button 11 Keyboard 12 Touch Pad 13 Left Touch Pad Button 14 Right Touch Pad Button 15 7 CD Play Pause Integrated Speakers 8 CD Stop Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Left Side Components
13. Connector Pin Assignments Battery Pack NOTE Use a pair of tweezers to properly replace the cable inside of the ZIF mm connector 4 Lift the keyboard out of the chassis as shown To replace the keyboard reverse the previous procedures Back to Preparing the Computer for Disassembly Removing the Keyboard Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Removing The Heatspreader 1 Prepare the computer for disassembly 2 Remove the palmrest cover with_ touch pad 3 Remove the keyboard 4 Remove two screws from the heatspreader and lift out of the chassis as shown To replace the heatspreader reverse the removal procedures Back to Preparing the Computer for Disassembly Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Removing The Status Panel 1 Prepare the computer for disassembly Removing 2 Remove the Battery the palmrest Pack lt cover with Palmrest touch pad Cover with Touch Pad 3 Remove Keyboard t E Heatsp
14. Connectors 80 Pin Connectors Rower System Overview Management A manual docking mechanism on the Compaq Presario Series Portable Computer Port Replicator docks Compaq Presario Series Portable Computers When the computer is docked the 80 pin external options connector handles the entire electrical interface both power and signal connections between the computer and the Port Replicator Rear Connectors Features The Compag Presario Series Portable Computer Port Replicator provides all the connectors supported by the Compaq Presario Series Portable Computers They include External keyboard External mouse MIDI game port External monitor Serial Parallel AC Adapter Dual USB ports Not supported on all models Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Power Management Models and The following power management features are available for Features conserving AC power and extending battery operating time Rear Advanced Power Management APM Connectors Power Management Settings Port a Sleep Reoli t Hibernation Replicator Battery Operating Time en Advanced Power Management APM APM is installed on the computer and requires no action from the user to reduce power consum
15. Introducing Windows 95 Guide e Service Training Guides e Compaq Service Advisories and Bulletins e Compaq QuickFind e Compaq Service Quick Reference Guide Home Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Product Description Models and Features Rear Connectors Port Replicator Power Management Compaq Presario 1600 Series Portable Computers are a new generation of multimedia portable computers with an innovative integrated design outstanding audio and video advanced core features and attractive styling This full function Pentium based series of portable computers allows full desktop functionality Compaq Presario 1600 Series Portable Computers Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Troubleshooting WARNING To avoid a potential shock hazard during troubleshooting procedures disconnect all power sources before removing the keyboard cover or the display bezel This chapter covers troubleshooting information for the Compag Presario Series Portable Computers
16. Pack Diagnostic Preliminary Steps Before running POST complete the following preliminary steps 1 If a power on password has been established type the password and press the Enter key If the password is not known clear the password 2 Run Computer Setup 3 Adjust the brightness and contrast 4 Turn off the computer and its external devices Disconnect any external devices that you do not want to test Do not disconnect the printer if you want to test it or use it to log error messages If the problem only occurs when an external device is connected to the computer the NJ e problem may be related to the external device or its cable Verify this by running POST with and without the external device connected 6 Install loopback plugs in the serial and parallel connectors if you would like to test these ports 7 Ensure the hard drive is installed in the computer 8 Ensure that the battery pack is inserted in the computer and the computer is connected to an external AC power source When the preliminary steps are completed you are ready to run POST Clearing the Power On Password Clearing the power on password requires removing all Setup attributes that are programmed in the CMOS If the password is not known clear it by performing the following steps 1 Turn off the computer 2 Disconnect the power cord 3 Remove the battery pack 4 Remove the keyboard 5 Remove the RTC battery 1 for 30
17. TXT to customize the hibernation file size Hibernation is initiated by one of the following means a Automatically when the battery reaches a low battery level if preselected a Manually by simultaneously pressing the power button By holding the power button for more than four seconds the system will power off instead of hibernating When the Power button is pushed the computer exits Hibernation Battery Operating Time Battery operating time is affected by variables such as the following Power conservation settings Hardware configuration Software applications Installed options Display brightness Hard drive usage Power button Changes in operating temperature Type and number of installed PC Cards Refer to Appendix B for information on increasing battery pack operating time conditioning the battery pack and disposing of a used battery pack Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Port Replicator Rear Connectors This section covers external input output I O connectors Refer to Appendix A for connector pin assignments Port Replicator Rear Connectors 1 Keyboard 6 External Monitor 2 2 Mouse 7 17 Serial i poo 4 Reserves p Parane AC Adapter re Pad J oystic
18. and Styrofoam Use field service tools such as cutters screwdrivers vacuums that are conductive Use a portable field service kit with a static dissipative vinyl pouch that folds out of a work mat Also use a wrist strap and a ground cord for the work surface Ground the cord to the chassis of the equipment undergoing test or repair Grounding Equipment Use the following equipment to prevent static electricity damage to the equipment Wrist straps are flexible straps with a minimum of 1 megohm 10 resistance to the ground cords To provide proper ground a strap must be worn snug against the skin On grounded mats without banana plug connectors connect a wrist strap with alligator clips Heelstraps Toestraps Bootstraps can be used at standing work areas and are compatible with most types of boots and shoes On conductive floors or dissipative floor mats use them on both feet with a minimum of 1 megohm resistance between operator and ground To be effective the conductive Strips must be worn in contact with the skin Recommended Materials and Equipment Other materials and equipment that are recommended for use in preventing Static electricity include Anti static tape Anti static smocks aprons or sleeve protectors Conductive bins and other assembly or soldering aids Conductive foam Conductive tabletop work areas with ground cord of 1 megohm of resistance Static dissipative table or floor mats with hard tie to gro
19. before re installing to prevent further contamination Back to Troubleshooting Without Diagnostics Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Hardware Installation Solutions Solving Minor Problems Some minor problems and possible solutions are outlined here If the problem appears related to a software application check the documentation provided with the software Solving Hardware Installation Problems Some common causes and solutions for hardware installation problems are listed here Solving Hardware Installation eee A Problem Probable Cause Cause Solutions s A new device is not recognized a Case __ of new external Ensure that all cables are as part of the computer system device ae loose or properly and securely power cables are unplugged connected Power switch of new external Turn off the computer turn on device is not turned on the external device then turn on the computer to integrate the device with the computer system Device is not seated properly Turn off the computer and reinsert the device Back to Troubleshooting Without Diagnostics Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Descrip
20. controller dual FIFO 03F6h 03F6h Opti Dual PCI IDE Controller 03F7h 03F7h Diskette Drive Controller 03F8h 03FFh Communications Port COM1 040Bh 040Bh_ Motherboard resources ss 0480h 048Fh Motherboard resources 04D6h 04D6h Motherboard resources 0800h 0807h 2 ES1869 Control Interface OCF8h OCFFh PCI DUS 1000h 107Fh PCI 1131CardBus Controller FCFOh FCF7h Primary IDE controller dual FIFO FCFOh FCF7h Opti Dual PCI IDE Controller FCF8h FCFFh Secondary IDE controller dual FIFO FCF8h FCFFh Opti Dual PCI IDE Controller Back to top A System Memory Map Memory Address SystemFunction 00000000h 0009FFFFh System board extension for PnP BIOS 000A0000h 000AFFFFh MagicGraph128XD sss 000B0000h O00BFFFFh MagicGraph128XD ss Ss 000C0000h 000CBFFFh MagicGraph128XD s s S 000CC000h 000CCFFFh PCI 1131 CardBus Controller 000CDO00h O000CDFFFh PCI 1131 CardBus Controller 000E0000h 000FFFFFh System board extension for PnP BIOS 00100000h 017FFFFFh System board extension for PnP BIOS 05000000h 05040FFFh PCI 1131 CardBus Controller IFDOOOOOOH FDFFFFFR MagicGraph128XD FEAOO000h FEBFFFFFh MagicGraph128XD FEDOOOOOh FEDFFFFFh MagicGraph128XD ss FFFCOOOOh FFFFFFFFh Motherboard resources Back to top Memory Expansion System Memory g eas Total Memory BB 16M 24M amp MB 32MB 4M 8 amp MB AMB 7Z2M IM
21. Diagnostics Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Printer Solutions Solving Minor Problems Some minor problems and possible solutions are outlined here If the problem appears related to a software application check the documentation provided with the software Solving Printer Problems If you experience problems printing run a printer self test Refer to the documentation provided with your printer for instructions If the self test fails it is a printer specific problem Also refer to the printing section of your application documentation Solving Printer Problems Problem Probable Cause Solution s Printer will not turn on The signal cable may not be Ensure that the signal connected properly or the cable is properly connected printer is unplugged and that the power cord is connected to the electrical outlet Printer will not print Printer is not turned on or is Turn the printer on and set off line it to on line The device drivers for your Refer to the printer application are not installed documentation to install the correct printer driver Printer that is set up for a network is not connected to the network Printer cable is too long Replace
22. E En Spare Part Display 1 Diskette 330971 001 3 Cables Miscellaneous 2 Hard Drive 330968 001 Hardware 3 2 GB Model Hard Drive 4 0 330988 001 GB Model 3 24x CD Drive 330967 001 and Screws Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Cables an Miscellaneous Cables Boards Kit Spare Part Number 332234 001 Mass Storage Devices Description Quantity la Cable 1 CD Drive 1b Cable Hard Drive lc Cable Diskette Drive Miscellaneous 1d Cable Serie and TouchPad crews SW Board le Cable Fax Modem CD Play 1 Board Not Shown Modem Cables IEEEEEE Description Spare Part Number Belgium 304398 Canada 137256 Japan 137256 Latin 137256 America United 137256 States United 304398 Kingdom w adapter France 304398 w adapter 051 Netherlands 304398 w adapter 331 AC Power Cords Not Shown Description Spare Part Number US Canada 293831 001 United 293831 Kingdom 031 Japan 293831 291 International 293831 002 TIERE EEE Back to top Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog R
23. Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Product Description Troubleshooting Illustrated Parts Catalog Removal Repair Procedures Specifications Connector Pin Assignments Welcome to the Presario 1600 Series Portable Computer Battery Pack Maintenance amp Service Guide This online guide is designed to serve the needs of those whose job it is to repair Compaq products Many of the components of the hardcopy MSG are contained in this online guide The Notice contains the copyright and trademark information The Preface shows symbol conventions and Technician Notes This MSG will be periodically maintained and updated online as needed Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Notice The information in this guide is subject to change without notice COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN NOR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING PERFORMANCE OR USE OF THIS MATERIAL This guide contains information protected by copyright No part of this guide may be photocopied or reproduced in any form without prior written consent from Compaq C
24. Solving Minor Problems Some minor problems and possible solutions are outlined here If the problem appears related to a software application check the documentation provided with the software Some common causes and solutions for diskette and diskette drive problems are listed below Solving Diskette and Diskette Drive Problems Problem Probable Cause Solution s Diskette drive cannot write to a Diskette is write protected diskette Disable the diskette s write protect feature or use a diskette that is not write protected Computer is writing to Check the drive letter in the the wrong drive path statement Not enough space is left Use another diskette on the diskette Drive error has occurred Run Computer Checkup from the Compaq Diagnostics diskette Format the diskette At the system prompt enter FORMAT A Diskette drive cannot read a The wrong type of diskette is Use the type of diskette diskette being used required by the drive Copy files to hard drive or another diskette Reformat bad floppy Diskette is not formatted Diskette has a bad sector Drive error has occurred Run Computer Checkup from the Compaq Diagnostics diskette Format the diskette At the system prompt enter FORMAT A The floppy controller is Re enable the floppy controller disabled in F10 Setup in F10 Setup Bootable diskette is not in Put the bootable d
25. Specifications Connector Pin Assignments Battery Pack PC Card Solutions Solving Minor Problems Some minor problems and possible solutions are outlined here If the problem appears related to a software application check the documentation provided with the software Solving PC Card Problems Some common causes and solutions for PC Card problems are listed in the following table Solving PC Card Problems Problem Probable Cause Solution s When turned on the Card is not inserted properly Ensure the card is inserted in computer does not beep the correct orientation PC Card beeps are disabled when a PC Card is inserted Double click the PC Card icon in the Control Panel click the Global Settings tab the enable PC Card sound effects Press volume buttons to turn the speaker on then increase the volume Speaker is turned off or volume is turned down PC Card drivers are not installed Double click the Add New Hardware icon in the Control Panel for installation instructions If PC Card or drivers are not compatible with Windows install drivers and use the PC Card in MS DOS mode Contact your Compaq authorized service provider for a PC Card modem fax or Card is not fully inserted into the Ensure the card is inserted in network card does not slot or is not inserted properly the correct orientation work Telephone cord is not plugged in all Chec
26. Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Electrostatic Discharge This chapter provides general service information for the Compaq Presario Series of portable computers Adherence to the procedures and precautions described in this chapter is essential for proper service The topics covered include Electrostatic Discharge and its effects a table of activities that Generate Static and the potential voltages ways of Preventing Electrostatic Damage to Equipment and Preventing Damage to the Drive Grounding Methods Grounding Work Areas and Recommended Materials and Equipment to use in the service area Return to Removal amp Replacement Procedures Electrostatic Discharge A sudden discharge of static electricity from a finger or other conductor can destroy static sensitive devices or microcircuitry Often the spark is neither felt nor heard but damage occurs An electronic device exposed to electrostatic discharge ESD may not be affected at all and will work perfectly throughout a normal cycle Or it may function normally for a while then degrade in the internal layers reducing its life expectancy Networks built into many integrated circuits provide some protection but in many Cases the discharge contains enough power to alter device parameters or melt silicon junctions Generating Static The table below shows how different
27. able IMPORTANT If the replacement CD drive is different from the original CD drive the CD drive cable must be replaced with the cable supplied with the replacement CD drive 11 Disconnect the CD oes cable from the CD drive and push forward from the rear to remove the CD drive from the chassis as shown To replace the CD drive reverse the previous procedures Back to Preparing the Computer for Disassembly Disconnecting the CD Drive Cable from the CD Drive Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Removing The Display Assembly Removing the Battery Pack Palmrest Cover with Touch Pad Keyboard Heatspreader Status Panel Interface Board Hard Drive Battery Charger Board CD Drive Plastic Subpanel Assembly CD Drive Cable Speaker Assembly Modem Diskette Drive Fan Audio Assembly Board System Board Memory Module Removing the Hinge Covers 1 Prepare the computer for disassembly 2 Remove the palmrest cover with_ touch pad 3 Remove the keyboard 4 Remove e heatspreader 5 Remove the status anel 6 Remove the interface board 7 Disconnect the ZIF connector and backlight power cable from the inte
28. ack follow these guidelines Condition the battery pack at least every 30 days to improve overall battery performance Keep a battery pack in the computer when using it with AC power to supply the battery pack with a constant trickle charge Store the battery pack in a cool dry place when not in use Conditioning a Battery Pack de To condition a battery pack complete the following steps CAUTION To avoid a loss of data ensure that all data is saved before discharging a battery pack 1 Plug in the AC adapter and allow the battery to charge until the fast charge arrow on the display disappears Your battery gauge may read 100 percent for a period of time before the arrow disappears Do not unplug the AC adapter until the arrow disappears Select Disabled in the Power menu of the BIOS Setup The system will hibernate after one hour of being in suspend By selecting Disabled the system will not timeout and enter suspend 2 Unplug the AC adapter and allow the battery to drain until the computer reaches hibernation and turns itself off Do not plug in the AC adapter during this process or you will need to restart with Step No 1 You may use the computer while the battery is draining 3 Your battery is re conditioned 4 Plug in the AC adapter and begin using the computer This table shows battery pack charge times by model Battery Charge Time By Model Computer On Line Off Line
29. activities generate static electricity and at different electrostatic voltage levels Walking across vinyl floor 12 000 5 000v 3 000v NOTE 700 volts can degrade a product Preventing Electrostatic Damage to Equipment Many electronic components are sensitive to ESD Circuitry design and structure determine the degree of sensitivity The following proper packaging and grounding precautions are necessary to prevent damage To avoid hand contact transport products in the static safe containers such as tubes bags or boxes a Protect all electrostatic parts and assemblies with conductive or approved containers or packaging Keep electrostatic sensitive parts in their containers until they arrive at static free stations Place items on a grounded surface before removing them from their container Always be properly grounded when touching a sensitive component or assembly Place reusable electronic sensitive parts from assemblies in protective packaging or conductive foam Use transporters and conveyors made of anti static belts and metal roller bushings Mechanized equipment used for moving materials must be wired to ground and proper materials selected to avoid static charging When grounding is not possible use an ionizer to dissipate electric charges Preventing Damage to Drive To prevent static damage to hard drive and diskette drive use the following precautions Handle drive gently using static guardin
30. ated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Troubleshooting Without Diagnostics This section provides information about how to identify and correct some common hardware memory and software problems It also explains several types of common messages that may be displayed on the screen The following pages contain troubleshooting information on Audio Memory Battery Battery gauge PC Card CD drive Power Diskette Diskette drive Printer Display Touch Pad Hard drive Keyboard Numeric keypad Hardware Installation Since symptoms can appear to be similar carefully match the symptoms of the computer malfunction against the problem description in the Troubleshooting tables to avoid a misdiagnosis WARNING To avoid a potential shock hazard during troubleshooting procedures disconnect all power sources before removing the keyboard cover or the display bezel Before Replacing Parts When troubleshooting a problem check the following list for possible solutions before replacing parts Verify that cables are connected properly to the suspected defective parts Run Computer Setup after connecting external devices Verify that all required device drivers are installed Verify that all required changes have been made to the CONFIG SYS file Verify that all required changes have been made to the AUTOEXEC BAT file Verify that all printer drivers have bee
31. ch installed in Windows Pad mouse driver in Windows External mouse does not work Mouse is not securely connected or is connected to an incorrect external connector Ensure that the mouse is securely connected to the appropriate external connector Enter SYNTOUCH COM at the system prompt to activate the mouse device driver C WINDOWS DOSSTART BAT Touch Pad or mouse does not work even though the device is enabled in Windows Mouse is not enabled Add a line in the AUTOEXEC BAT file to automatically activate the mouse device driver each time computer is turned on or restarted Cable not properly seated in Reseat cable Touch Pad board Defective Touch Pad board Replace Touch Pad board Defective system board Replace system board Device driver is not correctly Install the appropriate installed in Windows device driver in Windows Cursor skips or moves abnormally The Touch Pad needs to be Clean the Touch Pad with a when using the Touch Pad cleaned cloth dampened with alcohol or an ammonia based glass cleaner Wipe up liquid with a dry cloth Back to Troubleshooting Without Diagnostics Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Error Codes Diagnostic error
32. codes occur if the system recognizes a problem while running the Compag Diagnostic program These error codes help identify possibly defective subassemblies The following tables list error codes a description of the error condition and the action required to resolve the error condition MPORTANT Retest the system after completing each step If the problem has been resolved do not proceed with the remaining steps For assistance in For the removal and replacement of a particular subassembly see Removal and Replacement Procedures Select error codes by number or type 101 through 114 Processor Test 200 through 215 Memory Test 300 through 304 Keyboard Test 401 through 403 Parallel Printer Test 600 through 699 Diskette Drive Test 1101 Serial Test 1701 through 1736 Hard Drive Test 501 through 516 Video Test 2402 through 2456 2458 through 2480 3206 Audio Test 8601 through 8602 Touch Pad Pointing Device Test 3301 through 6623 CD Test Processor Test Error Codes Error Description Recommended Action Code 101 xx CPU test failed Replace the processor and retest 102 xx Coprocessor or Weitek Error 1 Run the Configuration and Diagnostics Utilities 2 Replace the processor board and retest 1103 xx DMA page registers test failed Replace the system board and Interrupt controller master test StSSt failed 105 xx Port 61 error 106 xx Keyboar
33. d controller self test failed 1107 xx CMOS RAM test failed 108 xx CMOS interrupt test failed 109 xx CMOS clock test failed 110 xx Programmable timer load data test failed 1113 xx Protected mode test failed 114 01 Speaker test failed 1 Check system configuration 2 Verify cable connections to speaker 3 Replace the system board and retest Memory Test Error Codes 1200 xx Memory machine ID test failed 1 Flash the system ROM and retest 202 xx Memory system ROM checksum 2 Replace the system board and KE retest Keyboard Test Error Codes pees ele pues IS poe Pelee mie Re pores AAA a the system board and retest Parallel Printer Test Error Codes 401 xx Printer failed or not connected 1 Connect the printer 2 Check power to the printer A095 Failed Port Test 3 Install the loop back connector and retest 4 Check port and IRQ configuration Pe Printer pattern test failed 5 Replace the system board and retest Diskette Drive Test Diskette ID drive types test 1 Replace the diskette media and 600 xx failed retest 601 xx Diskette format failed format failed 2 Check and or replace the diskette 1602 xx Diskette read test failed power and signal cables and retest 3 Replace the diskette drive and Diskette write read compare 603 failed Diskette random read test 604 a retest 4 Replace the system board and 1605 xx Diskette ID media failed 606 xx Di
34. d with the header attached separate the header from the connector on the system board IMPORTANT seated nore UA replacing interface board ensure both connectors on the board are properly 7 Lift the interface board up with the header attached from the system board as shown To replace the interface board reverse the previous procedures An illustration of locations of connectors on the interface board Back to Preparing the Computer for Disassembly Removing the Interface Board with Header Attached Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Interface Board This page shows an Illustration and table of the locations of the connectors on the interface board Interface Board Components Designator Connector 1 jP1 Backlight Switch 2 JP3 Display Interface ZIF 3 JP4 Inverter Backlight LIF Connector 4 None Interface Header Lii Interface Board Components Back to Preparing the Computer for Disassembly Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Rem
35. e Interface Board Removing 1 Prepare the Battery tne Pack computer for Palmrest_ disassembly Cover with Touch Pad TARA 2 Remove Keyboard i the palmrest Heatspreader f cover with_ Status Panel touch pad Hard Drive 3 REMOVE tne Battery Charger keyboard Board CD Drive 4 Remove Display the status_ Assembly Removing the Screws from the Interface Board panel Plastic Subpanel 5 Remove Assembly the two CD Drive screws from Cable the interface Speaker board as Assembly shown Modem Diskette Next Drive Fan Audio Assembly Board System Board Memory Module Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Disconnecting the ZIF Connector and Backlight Power Cable from the Interface Board 6 Slightly lift the interface board disconnect the ZIF connector and backlight power cable from the interface board as shown Next Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack When removing the interface board with the header attached occasionally the header will remain attached to the system board If this occurs when removing the interface boar
36. eatspreader 298607 Devices Cables 2 Audio Board 293882 w Jacks Miscellaneous Hardware and Screws 3 LCD 293746 Interface Board w Header 4 Modem M 298974 K 56 K Data Fax K 56K Data Fax 138657 O O O O N pa a 5 Fan 332228 6 Voltage 293748 Converter 7 System 330982 Board w o Processor 8 System Memory SODIMM 332208 64 MB 32 MB cle 16 MB 293727 001 293726 001 LCD Interface 293156 TFT 001 Connector LCD Interface 332232 DSTN Connector Processor 330980 K 233 MHz MMxX Not Shown Back to top Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Display System Unit Boards Mass Storage Devices Cables Miscellaneous Hardware and Screws Display Assembly Description Spare Part Number 298495 332224 microphone Model 12 1 inch TFT Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Mass Storage Devices System Unit
37. ell as the battery contacts in the battery compartment To prevent damage do not allow metal objects to touch the battery contacts Place only the battery pack for the Compaq Presario 1600 Series Portable Computers into the battery compartment Do not force the battery pack into the bay if insertion does not occur easily CAUTION Do not crush puncture or incinerate the battery pack Do not open a battery pack as this damages the pack makes it unusable and exposes potentially harmful battery components There are no field serviceable parts located inside the battery pack Compaq Presario 1600 Series Portable Computers have several screws of various sizes which are not interchangeable Ensure that the correct screws are used in their correct location During removal please keep respective screws with their associate sub assembly Back to top Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Removing the Battery Pack Palmrest Cover with Touch Pad Keyboard Heatspreader Status Panel Interface Board Hard Drive Battery Charger Board CD Drive Display Assembly Plastic Subpanel Removing the Battery Pack Assembly CD Drive Cable Speaker Assembly Modem Diskette Drive
38. emoval amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Miscellaneous Hardware and Screws System Unit Miscellaneous Parts Boards Description Spare Display p Le Mass Storage Number Devices 1 AC 298239 Cables Adapter 001 2 Port 293857 Replicator 001 Clock Battery 117099 Not Shown 001 Miscellaneous 293760 Screw Kit 001 Not Shown Logo Kit Not 203727 Shown 001 Miscellaneous Hardware Kit Spare Part Number 293761 001 Description Quantity z 1 Cover Battery Pack lea i E ies i Back to top 2 Cover Memory Module 1 ea 3 Door PCMCIA 2 ea a p 4 Hinge Clutch Cover Left 1 ea 5 Hinge Clutch Cover Right lea 6 Rubber Foot 10 ea 7 Stand Foot plastic a 10 ea 8 3 2 GB 4 0 GB Hard Drive Brackets Left Right 9 Stiffener Reinforce Frame 1 ea 10 Stiffener Reinforce Bracket lea 000 lea Spring Torsion Not Shown Torsion Not Spring Torsion Not Shown 10 ea 10 ea Display Assembly Screw Covers 10 ea Not Shown LCD LCD Guide Not Shown Not Shown cuts Not Shown Bracket Not Shown pe ea Back to top Return Kits Description Quantity Return Kit 293799 001 Carton and Buns International 293799 002 ety y N Back to top Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description
39. g techniques Store drive in the original shipping containers Avoid dropping drive from any height onto any surface Handle drive on surfaces that have at least one inch of shock proof foam Always place drive PCB assembly side down on the foam Grounding Methods The method for grounding must include a wrist strap or a foot step at a grounded work area When seated wear a wrist strap connected to a grounded system When standing use footstraps and a grounded floor mat Po Static Shielding Protection Levels Method Voltages Anti static Plastic 500 Carbon Loaded Plastic 7 500 Metallized Laminate 150 Grounding Work Areas To prevent static damage at the work area use the following precautions a Cover the work area with approved static dissipative material Provide a wrist strap connected to the work surface and properly grounded tools and equipment Use static dissipative mats Heel straps or air ionizers to give added protection Handle electrostatic sensitive components parts and assemblies by the case or PCB laminate Handle them only at static free work areas a Avoid contact with pins leads or circuitry Turn off power and input signals before inserting and removing connectors or test equipment Use fixtures made of static safe materials when fixtures must directly contact dissipative surfaces a Keep work area free of nonconductive materials such as ordinary plastic assembly aids
40. ignments Battery Pack Battery Pack This section covers the following information concerning battery pack operating time Increasing Battery Pack Operating Time Minimizing the Energy Required Maximizing the Energy Stored Conditioning a Battery Pack Battery Charge Time By Model Disposal of a Used Battery Pack Increasing Battery Pack Operating Time Battery pack operating time differs depending on several variables To avoid unnecessary replacement consider the following variables when determining how long a charged battery pack should last Power management settings Hardware configuration Software applications Installed options Display brightness Hard drive usage Changes in operating temperature Type and number of installed PC Cards me The power consumption requirements for PC Cards vary widely Some cards drain the NOTE i battery pack very rapidly Battery pack operating time can be increased by as much as 50 percent by controlling the energy required by the computer and the energy stored in the battery pack Minimizing the Energy Required To minimize the energy required by the computer follow these steps Set the power conservation levels in the Power Management utility to Maximum Customize the timeout value to work more efficiently with the applications The amount of battery life depends on the values selected Maximizing the Energy Stored To maximize the energy stored in the battery p
41. iskette in drive A drive A Diskette Boot has incorrect Run Computer Setup and set setting in Computer Setup diskette as first to boot Back to Troubleshooting Without Diagnostics Diskette is not formatted Cannot boot from diskette Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Solving Audio Problems Solving Minor Problems Some minor problems and possible solutions are outlined here If the problem appears related to a software application check the documentation provided with the software Some common audio problems and solutions are listed in the following table Solving Audio Problems Problem Probable Cause Solution s Computer does not beep after This is typical it indicates No action is required the Power On Self Test successful completion of the POST Power On Self Test POST Back to Troubleshooting Without Diagnostics Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Battery Pack Solving Minor Problems Some minor problems and possible solutions are out
42. ive low Back to top Serial Connector Connector Pin Signal GC CEACE a CE 3 6 0 e Carrier Detect Receive Data Transmit Data Data Terminal Ready Signal Ground Data Set Ready Ready to Send Clear to Send Ring Indicator Keyboard Mouse Connector Pin Signal Data E O El O E AG Not defined Ground 5 VDC Clock Not defined Back to top External VGA Monitor Connector i Signal DEOICHLE Uca Not connected Ground Ground Analog Ground Analog Ground Analog Not connected Ground Monitor Detect DDC2B Clock Back to top Phone Line to Wall J ack Connector Pin Signal Unused Unused Tip Ring Unused Unused Back to top Port Replicator 3 jkbck 23 Printer Data2 43 SwitchA 63 DSR 9 KbData2 29 Reserved 49 MIDI Out 69 W Sync 110 Joystick Data D 30 Reserved 50 5v 70 Ground 11 Lp Selectin 31 Reserved 51 5w 71 H Sync 12 Lp Paper End 32 Reserved 52 N C 72 Ground 17 Lp AutoFeed 37 AdapterIn 57 RxD 7 Red 18 Lp Strobe 38 Adapterin 58 LpSelect 78 Ground 19 Dias bo Ne 59 aro a we 20 pocasD 40 Nc 60 DR so wc Back to top Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Ass
43. k Port Replicator Rear Connectors Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack 80 Pin Connectors The 80 pin Compaq Presario 1600 Series Portable Computer Port Replicator connector handles the entire electrical interface between the port Replicator and the computer CAUTION Turn the computer power switch off before you connect or disconnect the port Replicator Damage may occur to the computer if it is hot plugged to the port Replicator Port Replicator Computer Interface
44. k and secure telephone the way connection Necessary drivers are not installed Install drivers turned on PC Card modem or fax You are trying to access the card See Chapter 6 to verify COM card does not work using the wrong COM port port BE card conflicts with a serial pS Chapter 6 to verify address device The card is not supported Use supported cards only Modem network PC Card Network driver is not installed or is Install driver does not work not set up properly Telephone cord is not properly Verify telephone connection connected SRAM and flash memory cards require the memory card driver to be loaded turned on Card or card driver is not supported Install driver Memory or storage card does not work Flash memory cards require the Microsoft FlashFile System to be loaded Hard drives on flash mass storage cards require the PC Card ATA driver to be loaded You are trying to access the hard drive card using the wrong drive letter Double click My Computer to verify the drive letter assigned to the card The card is not supported Contact your Compaq authorized service provider for a To use two 16 bit PC Cards an IRQ must be freed by disabling a device such as the parallel port serial port or audio controller By default only one free IRQ is available Most 16 bit PC Cards require one free ISA interrupt Back to Troubleshooting Without
45. lined in the following tables If the problem appears related to a software application check the documentation provided with the software Solving Battery Pack and Battery Gauge Problems Some common causes and solutions for battery pack problems are listed below The Solving Power Problems section in this chapter may also be useful Solving Battery Pack and Battery Gauge Problems Problem Probable Cause Solution s Computer won t turn on when Battery pack is discharged Connect the computer to an battery pack is inserted and external power source and power cord is unplugged charge the battery pack Replace the battery pack with a fully charged battery pack Check the battery connectors on the system board to verify they are evenly spaced and that they are not bent or broken Computer is beeping and battery icon on the LCD status display is blinking Battery charge is low Immediately save any open file s Then do one of the following Connect the computer to an external power source to charge the battery pack Turn off the computer or initiate Hibernation until you can find another power source or charge the battery pack Volume is turned down too low Computer battery icon on the LCD status display blinks to indicate low battery condition but computer does not beep Battery icon doesn t light and Battery pack is already No action is necessary battery pack won t fast charge
46. lts cannot be modified Idle Mode Determines processor speed For Auto processor is throttled to 50 of maximum clock sped only during inactivity When On processor is always at 50 of maximum clock speed When Off processor is always at maximum clock speed Sleep Sleep is a power conservation mode that performs the following functions a Places the computer in a lower power state after a selectable period of inactivity Noticeable to the end user the panel is powered off and the hard drive is spun down a Automatically reduces the amount of power the computer uses The computer is immediately ready for use when any key is pressed a Sleep mode is indicated by the Sleep moon shaped icon on the Status Panel The computer may be manually put in Sleep mode by pressing the Fn F4 keys Hibernation Hibernation is a power conservation mode that performs the following functions m Saves all current information from memory and saves it to a file on the hard drive Turns off the computer Can be restored after any amount of time The Hibernation file is preinstalled on the hard disk The Hibernation file is slightly larger than the total RAM memory of the computer system memory memory expansion board and video memory The Hibernation 100 MB file can be reinstalled with the QuickRestore CD The system comes configured with a hibernation file large enough to support 96 MB of DRAM Please refer to C HIBERNATE HELP
47. mbly Return to Removal Replacement Procedures Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Cable Positions This section covers types of cables and installation instructions for hard drive cable diskette drive ZIF connectors CD cables and speaker cable installation Cables and Connectors Most cables used throughout the unit are ribbon cables Cables must be handled with extreme care to avoid damage Apply only the tension required to seat or unseat the cables during insertion or removal from the connector Handle cables by the connector whenever possible In all cases avoid bending twisting or tearing the cables and ensure that the cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced CAUTION When servicing this computer ensure that cables are placed in their proper location during the reassembly process Improper cable placement can damage the computer Cables Use the following precautions when handling cables to avoid damage to the cable or computer Always handle cables by their connectors Avoid bending twisting or pulling on the cables Apply minimum required force when seating or unseating the cables from their connectors
48. mers etc Replace the system board 162 System Options Not Set Configuration incorrect Run Computer Setup PE reflects that an invalid configuration has been set RUM Compas SENUR 1 Replace the memory modules id 2 Replace the system board 1 Replace the memory modules MEMON al 2 Replace the system board IXX000YZZ RAM failure Replace the system board 301 Keyboard Error 1 Ensure the keys are not depressed during POST 2 Reconnect the keyboard with the computer off 3 Replace the keyboard 304 Keyboard or System Unit Error 1 Replace the keyboard Keyboard or system board error 2 Replace the TouchPad or mouse 3 Replace the system board 601 Diskette Controller Error 1 Run Computer Checkup TEST 2 Check and or replace cables 3 Replace the system board 605 Diskette Drive Error Mismatch in drive type Run Computer Setup 1780 Primary Hard Drive 0 Failure 1 Run Computer Checkup TEST De aE Lorrespond 2 Replace the hard drive 1 Run Computer Checkup TEST Hard un 2 Replace the hard drive 1782 Hard Drive Controller 1 Run Computer Setup Hard drive controller failure 2 Replace the hard drive Back to top Keyboard failure Mismatch in drive type or failure in the diskette controller Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustr
49. n installed for each application Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Keyboard Solutions Solving Minor Problems Some minor problems and possible solutions are outlined here If the problem appears related to a software application check the documentation provided with the software Solving Keyboard Numeric Keypad Problems Some common causes and solutions for keyboard numeric keypad problems are listed in the following table Solving Keyboard Numeric Keypad Problems Problem Probable Cause Solution s Embedded numeric keypad on Num Lock function is not Press the Shift NumLk keys computer keyboard is disabled enabled to enable the Num Lock function and embedded numeric keypad The Num Lock icon on the status panel turns on Embedded numeric keypad is External numeric keypad is Disconnect the external disabled and Num Lock connected to the computer numeric keypad from the function is on computer Back to Troubleshooting Without Diagnostics Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connect
50. ng steps apply to error codes 2402 xx through 2456 xx 1 Run the Configuration and Diagnostics Utilities 2 Replace the display assembly and retest 3 Replace the system board and retest The following step applies to error codes 2458 xx through 2480 xx Replace the system board and retest Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack System Unit Boards Display Mass Storage Devices Cables Miscellaneous Hardware and Screws Description Spare Part Number 1 Status Panel nen 293737 001 2 Keyboards Netherlands 330981 331 3 Palmrest Cover Tu and Cable iii 4 Upper CPU Cover Assembly w Cable and Power 293739 001 Switch Top Plastics 5 Speaker Assembly Premium 330979 001 E Battery Pack ES NiMH 293861 001 ae Pack Li 292560 001 7 CPU Base Assembly Bottom 332230 001 Plastics Enclosure WE Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Boards System Unit Description Spare Number Display Mass Storage 1 H
51. oard and retest 2423 xx ECG VGC 640 x 350 64 color set test failed 2424 xx ECG VGC monochrome text mode test failed 2425 xx ECG VGC monochrome graphics mode test failed pare 6 x 480 graphics test failure 2432 xx 320 x 200 graphics 256 color mode test failure 2448 xx Advanced VGA Controller test failed 2451 xx 132 column Advanced VGA test failed 2456 xx Advanced VGA 256 Color test failed paren fevanced VGA BitBLT test pee fevences VGA DAC test emos fevances VGA data path test pea K VGA BitBLT test paso fevances VGA LineDraw test Audio Test Error Codes 3206 xx Audio System Internal Error Replace the system board and E TouchPad Pointing Device Interface Test Error Codes 8601 xx Mouse test failed 1 Replace the TouchPad and retest 2 Replace the system board and nterface test failed retest CD Drive Test Error Codes 3301 xx CD drive read test failed 1 Replace the CD and retest 2 Verify that the speakers are gt connected 3305 xx CD drive seek test failed 3 Verify that drivers are loaded and properly installed 6600 xx ID test failed 4 Replace the CD drive and retest 5 Replace the system board and retest pee test failed Su Controles test failed pee fandom read test failed Back to top 1 Disconnect external monitor and test with internal LCD display 2 Replace the display assembly and retest 3 Replace the system board and retest The followi
52. omputer Corporation 1998 Compaq Computer Corporation All rights reserved Printed in the U S A Compag Presario Registered U S Patent and Trademark Office Microsoft MS DOS and Windows are registered trademarks of Microsoft Corporation Windows 95 is a trademark of Microsoft Corporation The software described in this guide is furnished under a license agreement or nondisclosure agreement The software may be used or copied only in accordance with the terms of the agreement Product names mentioned herein may be trademarks and or registered trademarks of their respective companies Maintenance and Service Guide Compaq Presario 1600 Series Portable Computers First Edition October 1997 Spare Part Number 298499 001 Documentation Part Number 330976 001 Compaq Computer Corporation Home Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Preface This Maintenance and Service Guide is a troubleshooting guide that can be used for reference when servicing the Compaq Presario 1625 1635 Series Portable Computers Compag Computer Corporation reserves the right to make changes to the Compaq Presario Series Portable Computers without notice Symbols The following words and symbols mark special messages
53. on operating Non operating 4 to 4 to 140 F F 20 to60 C to 60 C Relative Humidity non condensing Operating O0 Operating IO to 90 gt to 90 35 C to 90 C to 90 Non operating tw 38 7 C Ke to 95 meek C to 95 max Altitude Operating 10 to 10 000 ft 10 to 3 15 km Non operating 10 to 30 000 ft 10 to 9 14 km EC EE EA Applicable product safety standards specify thermal limits for plastic Alezi H surfaces Compaq Presario 1600 Series Portable Computers operate well within this range of temperatures Back to top System Interrupts HardwarelRQ System Function I IRQO Timer Interrupt ARQ Keyboard Poo IRQQ_ Interrupt Controller Cascade IRQB 0X2F8 Default Resources for Modem ARQ Communications Port COM 1 IRQ5 ES1869 Plug and Play AudioDrive Poo ARQ Diskette Drive Poo IRQ7 Parallel Port LPT 1 default IRQB System CMOS Real Time Clock 000 Po IRQIO IRQ Holder for PCI Steering Poo IRQIO PCI 1131CardBus Controller IRQI IRQ Holder for PCI Steering IRQ MagicGraph128XxD IRQ1 PCI 1131 CardBus Controller PARQUE PS 2 TouchPad IRQ Coprocessor RAU Primary IDE Controller dual FIFO I IRQIA Opti Dual PCI IDE Controller Poo IRQIS5 Opti Dual PCI IDE Controller Po o IRQIS Secondary IDE Controller dual FIFO Back to top System DMA HardwareDMA System Function IDMAO ES1869 Plug and Play AudioDrive DMA 000
54. or Pin Assignments Battery Pack Hard Drive Solutions Solving Minor Problems Some minor problems and possible solutions are outlined here If the problem appears related to a software application check the documentation provided with the software Solving Hard Drive Problems Some common causes and solutions for hard drive problems are listed in the following table AN CAUTION To prevent loss of information always maintain an up to date backup of your hard drive at all times in case of errors or failures Solving Hard Drive Problems Problem Probable Cause Solution s Reading hard drive takes an System entered Hibernation Give the system time to unusually long time after due to low battery condition restore the previously saved restarting the computer and is now exiting from it data to its exact state before Hibernation Hard drive error occurs Hard drive has bad sectors or Run Computer Checkup has failed Hard drive does not work Hard drive is not seated Turn off and unplug the properly computer remove the battery pack and remove and then reinstall the hard drive Back to Troubleshooting Without Diagnostics Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Diskette Solutions
55. ory Module NOTE Heatspreader Board 1 Prepare the computer for disassembly 2 Remove the palmrest cover with_ touch pad keyboard 4 Remove the hard drives 5 Remove the stiffener bracket 6 Remove the two screws from the battery charger board unplug the board from the system board and lift out of the chassis as shown Back to Preparing the Computer for Disassembly mm When replacing the battery charger board ensure the pins are mm aligned with the connector on the system board Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Removing The CD Drive Removing the Battery Pack Palmrest Cover with Touch Pad Keyboard Heatspreader Status Panel Interface Board Hard Drive Battery Charger Board Display Assembly Plastic Subpanel Assembly CD Drive Cable Speaker Assembly Modem Diskette Drive Fan Audio Assembly Board System Board Memory Module Removing the Screws from the CD Drive 1 Prepare the computer for disassembly 2 Remove the palmrest cover with_ touch pad 3 Remove the keyboard 4 Remove the hard drives 5 Remove the stiffener bracket 6 Remove the bat
56. oving The Hard Drive 1 Prepare the computer for disassembly 2 Remove the palmrest cover with_ touch pad 3 Remove four screws from the hard drive mounting bracket and lift the hard Removing the 3 2 GB or 4 0 GB Hard Drive with drive with Mounting Bracket Attached hard drive mounting bracket attached out of the chassis as shown Next Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack D isconnecting the Hard Drive Data Cable from the Hard Drive 4 Disconnect the hard drive data cable from the hard drive as shown To replace the hard drive reverse the previous procedures Back to Preparing the Computer for Disassembly Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Removing The Battery Charger Board Removing Palmrest Cover with Touch Pad Keyboard Status Panel Board Hard Drive Plastic Subpanel Assembly CD Drive Cable Speaker Assembl Modem Diskette Drive Fan Audio Assembl Board System Board Mem
57. pack has partially self Condition the battery pack by discharged fully charging fully discharging then fully recharging it To maintain the charge leave battery packs in the computer when it is connected to external power If the computer is disconnected from external power for more than two weeks remove battery packs from the computer to reduce the discharge rate Battery pack is being exposed Keep the battery pack within to high temperatures or the recommended temperature extremely cold temperatures ranges Operating 50 F to 104 F 10 C to 40 C Storage 4 F to 86 F 20 C to 30 C Recharge the battery pack Back to Troubleshooting Without Diagnostics Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Power Solutions Solving Minor Problems Some minor problems and possible solutions are outlined here If the problem appears related to a software application check the documentation provided with the software Solving Power Problems Also see Solving Battery and Battery Gauge Problems Solving Power Problems Problem Probable Cause Solution s Computer is not connected Insert battery or connect an to a power source external power source
58. ption APM turns off the processor between keystrokes and when the system is idle The idle function can be disabled by the user Power Management Settings You can select power conservation settings through Power Management located on the System Features menu in Computer Setup Computer Setup can be accessed by pressing FLO when the cursor blinks on the upper right corner of the display screen during system reboot These settings control the power conservation rate and the timeout values for various system components A timeout is a specified period of system or component inactivity After this period the system or component for example the hard drive is shut down to conserve power until it is accessed again There are four categories of power management settings Maximum Power Saving Maximum Performance Customized and Disabled The default setting for each feature is listed in Table 1 9 Power Management Mode Power Settings Maximum Maximum Disabled Savings Power Performance Savings Idle Mode Off On On Off Off Auto Sleep Timeout Off 5 10 5 Minutes 60 Minutes Off 15 20 30 40 60 Minutes Resume On Off On Off On Off On Off On Time Resume Time 00 00 00 00 00 00 00 00 00 00 00 00 Hard Disk Disabled 1 1 Minute 115 Minutes Disabled Timeout 2 4 5 6 8 10 15 BIOS PM on Off On Off On Off On Off On AC Defau
59. reader keyboard Interface 4 Move the Board lever Hard Drive l located Releasing and Removing the Status Panel Cover l Battery directly Charger below the Board CD Play CD Drive button on Display the status Assembly panel to the Plastic right to Subpanel release the Assembly status panel CD Drive cover Cable Speaker 5 Support Assembly the front Modem bottom Dike corners of Fan panel with Ne the thumb Assembly and f a forefinger en Rotate and nr push the Masse status panel NEE backwards off the chassis as shown below Next When replacing the status panel ensure all cables are properly replaced under the status panel and not obstructing the status panel replacement Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack 6 Disconnect the flex cable from the connector on the status panel header as shown below To replace the status panel reverse the removal procedures Back to Preparing the Computer for Disassembly Disconnecting the Flex Cable from the Connector on the Status Panel Header Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Removing Th
60. rface board 8 Grasp the hinge covers and push out to release the covers from the hinges of the display panel assembly as shown Next Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack 9 Support the back of the display assembly and remove the four screws from the display assembly as shown Next Removing Screws from the Display Assembly Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Removing the Display Assembly with Flex Cable Attached 10 Gently pull the flex cable attached to the display assembly through the slot on the plastic subpanel assembly 11 Remove the display assembly with flex cable attached as shown Back to Preparing the Computer for Disassembly Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack 4 Pull side lever to release the memory mod
61. rn the computer upside down 3 Remove the three screws from the bottom of the computer as shown Next Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Removing the Palmrest Cover with Touch Pad 4 Turn the computer over right side up pull forward on the display latches to release and open the display assembly 5 Lift up the front end of the palmrest cover with touch pad and remove it from the groove in the chassis as shown Next Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack 6 Tilt the palmrest cover with touch pad back allowing it to rest on top of the keyboard and disconnect the flex cable from the LIF connector on the palmrest cover as shown To replace the palmrest cover with touch pad reverse the removal procedure Back to Preparing the Computer for Disconnecting the Palmrest Cover with Touch Pad Disassembly CAUTION When replacing the palmrest cover with touch pad ensure that the cable is fully inserted into the LIF connector on the
62. seconds as shown below The password together with other Setup attributes will be cleared im WERT An j iit DER Clearing the Power On Password 6 Turn the computer on to verify the power on password has been cleared If it has not been cleared repeat these steps Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Power On Self Test POST Running POST To run POST complete the following steps Turn off the computer Let stand for a 10 count then turn the computer back on If POST does not detect any errors the computer will not beep This indicates successful completion of POST test POST has run successfully and boots from the hard drive or from a bootable diskette if one is installed in the diskette drive If POST detects errors the errors are indicated by screen and or audible messages Refer to Power On Self Test POST Codes for a list of POST codes and their relevant descriptions If the system is not functioning well enough to run POST or if the display is not Coed ea functioning well enough to show POST error messages refer to the Troubleshooting tables Power On Self Test Messages Probable Cause Recommended Action 102 System Board Failure DMA ti
63. skette speed test failed retest 600 Diskette reset controller test failed 610 xx Diskette change line test failed 697 xx Diskette type error Diskette drive speed not within 698 fee Diskette drive media ID error 1 Remove the memory module and retest 2 Install a new memory module and retest 1 Check the keyboard connection If disconnected turn off the computer and connect the keyboard 2 Replace the keyboard and retest 1 Replace media 699 xx 2 Run the Configuration and Diagnostics Utilities Serial Test Error Codes Serial port test failed 1 Check port configuration 1101 xx 2 Replace the system board and retest Hard Drive Test Error Codes 11701 xx Hard drive format test failed 1 Run the Configuration and 1702 xx lar drive read test failed Utilities and verify drive ype Hard drive write read compare 2 Verify that all secondary drives 1703 xx y y test failed have secondary drive capability 1704 xx failed 4 Replace the system board and retest 11705 xx Hard drive controller test failed 1706 xx Hard drive ready test failed 1707 xx Hard drive recalibration test failed Hard drive format bad track 1708 xx la failed Hard drive reset controller test 1709 ne 11710 xx Hard drive park head test failed 1715 xx Hard drive head select test failed Hard drive conditional format 1717 xx Hard drive ECC test failed 1719 xx Hard drive power mode
64. system board If metal end should come in contact with the keyboard damage may occur to the computer Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Removing The Keyboard rem Removing the Battery Pack Palmrest Cover with Touch Pad Heatspreader Status Panel Interface Board Hard Drive Battery Charger Board CD Drive Display Assembly Plastic Subpanel Assembly CD Drive Cable Speaker Assembly Modem Diskette Drive Fan Audio Assembly Board System Board Memory Module ove the cable Disconnecting the Flex Cable from the ZIF Connector on the System Board To remove a cable from a ZIF connector lift both corners of the ZIF Neuss connector and slide simultaneously with constant light force Then 1 Prepare the omputer for disassembly 2 Remove the palmrest cover with_ touch pad 3 Gently lift the front of the keyboard up and disconnect the flex cable from the ZIF connector on the system board Next Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications
65. tery charger board 7 Remove the screw securing the PCMCIA Shield 8 Remove two screws located at the back CD drive and remove the hard drive cable shield as shown Next Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack 9 Open the CD drive tray using a small paper clip as shown Next Opening the CD Drive Tray Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack 10 Release the lever on the CD drive tray and gently push forward from the rear of the CD drive to access the CD drive cable as shown Next Releasing the Lever Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Compaq uses two vendors for CD drives and the CD drive cables are unique for each If the replacement CD drive is the same as the original CD drive it is not necessary to replace the CD drive c
66. test failed 11736 xx Drive monitoring test failed pe ECC ErrorCorrectionCode eee p Video Test Error Codes 1501 xx Video controller test failed The following apply to error codes 502 xx Video memory test faied 501 xx through 516 xx 1503 xx Video attribute test failed 1504 xx Video character set test failed 505 xx Video 80 x 25 mode 9 x 14 character cell test failed 506 xx Video 80 x 25 mode 8 x 8 character cell test failed 507 xx Video 40 x 25 mode test failed 508 xx Video 320 x 200 mode color set 0 test failed 509 xx Video 320 x 200 mode color set 1 test failed 510 xx Video 640 x 200 mode test failed SII xx Video screen memory page test failed 2405 xx Video 80 x 25 mode 9 x 14 character cell test failed Video 80 x 25 mode 8 x 8 2406 00 ne cell test failed Video 320 x 200 mode color set 2408 xx Y test failed Video 320 x 200 mode color set 2409 xx test failed 2410 xx Video 640 x 200 mode test failed 2411 xx Video screen memory page test failed 12412 xx Video gray scale test failed pee Meee white screen test failed noise pattern test failed Pe memory test failed 2419 xx ECG VGC ROM checksum test 1 Run the Configuration and failed Diagnostics Utilities 2 Disconnect external monitor and 2421 xx ECG VGC 640 x 200 graphics tect with internal LCD display mode test failed 3 Replace the display assembly and 2422 xx ECG VGC 640 x 350 16 color _ retest set test failed 4 Replace the system b
67. the cable unshielded or defective Paper tray is empty Fill the paper tray with paper and set the printer to online Connect the printer to the network Printer prints garbled information Correct printer drivers are not Refer to the printer installed documentation to install the correct printer driver Ensure that the printer signal cable is properly connected to the computer Cable is defective Replace the printer cable and retest Back to Troubleshooting Without Diagnostics Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Touch Pad Solutions Solving Minor Problems Some minor problems and possible solutions are outlined here If the problem appears related to a software application check the documentation provided with the software Solving Touch Pad Pointing Device Problems Some common causes and solutions for Touch Pad pointing device problems are listed in the following table Solving Touch Pad Pointing Device Problems Problem Cause Solution s Touch Pad or mouse does not work Incorrect or no device driver Install the device driver is installed and add to the AUTOEXEC BAT file or CONFIG SYS file The device driver is not Install the Tou
68. throughout this guide WARNI NG Text set off in this manner indicates that failure to follow directions in the warning could result in bodily harm or loss of life CAUTION Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of data Text set off in this manner presents clarifying information or IMPORTANT ee l specific instructions Text set off in this manner presents commentary sidelights or NOTE F i interesting points of information Technician Notes WARNING Only authorized technicians trained by Compaq should repair this equipment All troubleshooting and repair procedures are detailed to allow only subassembly module level repair Because of the complexity of the individual boards and subassemblies the user should not attempt to make repairs at the component level or to make modifications to any printed circuit board Improper repairs ican create a safety hazard Any indications of component replacement or printed circuit board modifications may void any warranty Serial Number When requesting information or ordering spare parts the computer serial number should be provided to Compaq The serial number is located on the bottom of the computer Locating Additional I nformation The following documentation is available to support this product e Compaq Presario 1624 1625 1635 1636 Series Portable Computer documentation set e
69. tion Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Memory Solutions Solving Minor Problems Some minor problems and possible solutions are outlined here If the problem appears related to a software application check the documentation provided with the software Solving Memory Problems Some common causes and solutions for memory problems are listed in the following table Solving Memory Problems Problem Probable Cause Solution s Memory count during Power Optional memory expansion Ensure that the optional On Self Test POST is card is installed incorrectly memory expansion card is incorrect is incompatible with installed correctly the computer or is defective Out of Memory message is displayed on the screen or System ran out of memory for the application documentation for memory insufficient memory requirements error occurs during operation Check the application Install additional memory Too many TSR terminate and stay resident applications are running Remove from memory any TSR applications that you do not need Back to Troubleshooting Without Diagnostics Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures
70. ules and unplug the memory modules from the system board as shown To replace the memory modules reverse the previous procedures Back to Preparing the Computer for Disassembly Removing the Memory Module from the System Board Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Rear Connectors This section identifies the I O pass through connectors on the computer Refer to Appendix A for connector pin assignments R r nnectors Models and sar conne i Keyboard P Port Serial Port Features Mouse Port 2 Parallel Printer 6 External Monitor Port Port 3 Port Replicator 7 AC Adapter Jack Replicator Power 4 Fan 4 Fan Exhaust 8 8 Security Slot 8 Security Slot Management Rear Connectors Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Port Replicator Models and This section is an overview of the Compaq Presario Series Portable Computer Port Replicator and covers the following topics Features Rear System Overview Connectors a Features Port Replicator Rear
71. und Field service kits Static awareness labels Wrist straps and footwear straps providing 1 megohm 10 resistance Material handling packages Conductive plastic bags Conductive plastic tubes Conductive tote boxes Metal tote boxes Opaque shielding bags Transparent metallized shielding bags Transparent shielding tubes Back to top Maintenance amp Service Guide Presario 1600 Series Portable Computers Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack Service Considerations Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the computer Tool and Software Requirements To service the computer you need the following Torx T 9 screwdriver 3 16 inch and 7 32 inch nut drivers for screw locks and standoffs Small standard screwdriver Small Phillips screwdriver Diagnostics software Service Kit Screws The screws used in the computer are not interchangeable If an incorrect screw is used during the reassembly process it can damage the unit Compaq strongly recommends that all screws removed during disassembly be kept with the part that was removed then returned to their proper locations IMPORTANT As each subassembly is removed from the computer place it away from the work area to prevent damage to the subasse
72. uters Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog Removal amp Replacement Procedures Specifications Connector Pin Assignments Battery Pack CD Drive Solutions Solving Minor Problems Some minor problems and possible solutions are outlined in the following tables If the problem appears related to a software application check the documentation provided with the software Solving CD Drive Problems Some common causes and solutions for CD drive problems are listed in the following table Solving CD Drive Problems Problem Probable Cause Solution s CD drive cannot read a Compact disc is upside down Open the CD loading tray lay compact disc or is improperly inserted in the compact disc in it label the CD drive side up then close the tray CD is CD Plus or Cannot read these type CDs in Pregap Track O type 24x CD drive Remove the CD No CDs work at all The Performance tab in If the driver name listed as System properties shows that causing MS DOS Compatibility one or more of the hard disks mode is MBRINT13 SYS your in your computer is using MS computer may be infected with DOS Compatibility mode a boot sector virus Please purchase a virus scanning software package consult your local software retailer for recommendations to check your system If the application you purchase successfully eliminates the virus scan check all of your diskettes

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