LE50 Service Manul
Contents
1. D 53 b aJ ayay bs AUS C lala 026 Sv Gla 6 12 6 jg USI adi 43 Cue 33 ulta G nada j yai Abad 4 jx sil Ol ye Gals gl lail ol og pee Lede Gb Mal 1 Service information 1 6 Read this first Before you go to the checkout guide be sure to read this section Important Notes Only trained personnel certified by LG should service the computer Read the entire FRU removal and replacement page before replacing any FRU Use new nylon coated screws when you replace FRUs Be extremely careful during such write operations as copying saving formatting Drives in the computer that you are servicing sequence might have been altered If you selected an incorrect drive data or programs might be overwritten Replace FRUs only for the correct mode When you replace a FRU make sure the model of the machine and the FRU part number are correct by referring to the FRU parts list A FRU should not be replaced because of a single irreproducible failure Single failures can occur for a variety of reasons that have nothing to do with a hard ware defect such as cosmic radiation electrostatic discharge or software errors Consi2. Location LG P N SPECIFICATION REMARKS DEBORAH PCABS COVER HINGE CAP 11 3550BM3204C COVER LEFT SILVER DEBORAH PCABS COVER HINGE CAP 11 3550BM3204D LEFT FOR EXPORT COVER DEBORAH PCABS COVER HINGE CAP HFM12 3550BM3205C RIGHT SILVER COVER DEBORAH PCABS COVER HINGE CAP HFM12 3550BM3205D RIGHT FOR EXPORT COVER KEYBOARD 9 3823B01061A ENGLISH HUNTER F 86KEY ASSEMBLY KEYBOARD 9 3823B01060A KOREA HUNTER F OKI 86KEY ASSEMBLY HFM02 LE50 Location LG P N SPECIFICATION REMARKS DEBORAH COVER RETAINER ASSY 150F COVER HFM02 3551B09763A FOR DOMESTIC ASSEMBLY DEBORAH COVER RETAINER ASSY 150F COVER 9010H GB FOR COMMERCIAL ASSEMBLY HER B DEBORAH COVER RETAINER ASSY 150F COVER BE FOR EXPORT SILVER ASSEMBLY LE50 Location LG P N 23 SPECIFICATION REMARKS D2 0L 3 5 SWRH4 SYDNEY SYSTEM SCREW HFM23 1SZZBA4023A SILVER S3 PJT PLATED NICKEL DRAWING iB B KBD PLATE HUNTER FULL WITH GASKET AND PLATE 9901500559 TAPE COMMERCIAL DEBORAH ASSEMBLY HFM26 LE50 Location LG P N SPECIFICATION REMARKS D4 5 L6 5MM SWRH4 M2 5 H1 0 BK HUNTER SCREW HFM26 1SZZBA4097B TIP 0 ROHS DRAWING HFM24 1 LE50 Location LG P N SPECIFICATION REMARKS D4 3 L5 0MM SWRH4 M2X5 0L BK SCREW HFM24 1SZZBZ4014C MCKINLEY
3. Power off the computer Remove the battery pack Connect the AC adapter 1 2 3 4 Check that power is supplied when you power on the computer 5 Power off the computer 6 Disconnect the AC adapter and install the charged battery pack 7 Check that the battery pack supplies power when you power on the computer If you suspect a power problem see the appropriate one of the following power supply checkouts 1 Checking the AC adapter 2 Checking the operational charging 3 Checking the battery pack 4 Checking the backup battery 24 Ch4 Symptom to part index Checking the AC adapter If the power on indicator does not turn on check the power cord of the AC adapter for correct continuity and installation If the computer does not charge during operation go to Checking operational charging To check the AC adapter do the following Unplug the AC adapter cable from the computer 2 Measure the output voltage at the plug of the AC adapter cable See the following figure 3 If the measured output voltage is incorrect remove 1 18 0 19 2 the power cord from the adapter and then re connect it in about ten seconds 4 Measure the output voltage at the plug of the AC adapter cable Voltage V dc 5 f the measured output voltage is incorrect replace the AC adapter 25 Ch4 Symptom to part index If the voltage is not correct replace the AC adapter If the v
4. mel EON 5087 2a 8011258 EIL act OCH ost ooras as ILV 9 08889 10 00 5 9711908 aN ILV fa 14 91 VOOM 5 21 5514 15 Ch3 System information B Fn key combinations The following table shows the function of each combination of Fn with a function key Function of Fn keys has nothing to do with Operating System F4 F6 Wireless Enable Disable Toggle Fn F1 User de Fn F2 User de Fn User de Force th e computer to ente toggle key Setti key Setti key Setti ng is available at OSD ng is available at 050 ng is available at 050 power saving mode ex system standby and hibernation Press the combination once to disable the touch pad and press again to enable the touch pad The touch pad initialization takes 1 2 seconds so wait for the initialization to end before using the touch pad You can switch to and from the three types of display modes LCD display only the external monitor only or both at the same time Monitor When the computer is attached to an external monitor you can change the display output location with Fn F7 Fn F7 combination Fn Delete The computer display becomes brighter h Fn Insert The computer display becomes darker Fn
5. F10 System information Audio Enabe disable Refer to Battery Mi ser Help LCD Auto Brightness control Enable Oisable Enable disable Auto Brightness control ON OFF Refer to Battery Miser Help x Darken the LCD 9 Steps Fn ScrLk NumLK Fn Delete Insert 16 Ch3 System information B Status indicators The system status indicators show the status of the computer 1 2 3 4 5 6 7 1 Caps lock Caps lock indicator lights up when the Caps lock key is pressed When this indicator lights up you can type capital letters without pressing the Shift key 2 Num lock Num lock indicator lights up when the combination of the Fn and Num lock key is pressed When this indicator lights up you can use the embedded numeric keys The Num Lock indicator is off while an external keyboard is connected if OSD keyboard setup is configured not to use embedded keypad with an external keyboard connection 3 Wireless activity indicator Wireless activity indicator indicates the following Off Wireless LAN is off Blinking 3 4 Seconds Searching for Access point for Wireless LAN Connection On Data is transferring with Wireless LAN is on 4 AC Power Power indicator lights up when the power cord is connected to the computer 5 Power Power status indicator indicates the following status of the computer On The computer is turned on Off The computer is turned off or is in hibernati
6. LCD screen unreadable System board Wrong color displayed Horizontal or vertical lines displayed LCD assembly on LCD Power on indicator on and a blank CD LCD assembly during POST System board 33 Ch4 Symptom to part index B indeterminate problems You are here because the diagnostic tests did not identify which adapter or device failed wrong devices are installed a short circuit is suspected or the system is inoperative Follow these procedures to isolate the failing FRU do not isolate FRUs that have no defects Verify that all attached devices are supported by the computer Verify that the power supply being used at the time of the failure is operating correctly 1 Power off the computer 2 Visually check each FRU for damage Replace any damaged FRU 3 Remove or disconnected all of the following devices a Non LG devices b Printer mouse and other external devices c Battery pack d PC cards e ODD CD ROM Combo drive or FDD drive in the Bay f Hard disk drive Note Use the other memory card because it needs when operating computer 4 Power on the computer 5 Determine whether the problem has changed 6 If the problem does not recur reconnect the removed devices one at a time until you find the failing FRU 7 f the problem remains replace the following FRUs one at a time do not replace a non defective FRU a LCD assembly Check external monitor whether the same problem re
7. Ch6 Part lists 85520 pid Ed p LE W sss NENNEN a 6 20 NENNEN Ro HFM26 D4 5 L6 5MM SWRH4 2 5 H1 0 BK HUNTER 0 ROHS IL HFM24 D4 3 L5 0MM SWRH4 2 5 0 BK MCKINLEY LYLOCK ROHS NEN 25 LEAD FAN ASSEMBLY SILVER MCKINLEY 1 10 0 WITH NSCR1 D4 5 L10 0MM SWRH4 BK BK DEBORAH FOR ENVIROMENT 2 5 NSCR7 D3 5 L3 0MM SWRH4 DUMMY COVER FIX SILVER MAGELLAN DISPLAY 7 ASSY DEBORAH LG 13 033 LONGWELL KS 1000 CONN W VELCRO TIE BLACK F 3 NSCR5 1SZZBA4080F 4 5 L4 5MM SWRH4 M2 5 1 0 SILVER HUNTER TIP 0 NSCR3 1SZZBZ3002K D4 5 L3 5MM SWRH4 BK HUNTER ROHS NSCR4 1SZZBZ3009J D3 8 L2 5MM SWRH4 H 1 0 BK MCKINLEY NYLOK ROHS 60 Ch6 Part lists HUNTER FULL 15 INCH SILICON DISPLAY FRONT UPPER CUSHION FOR HFL13 4850BM4029B COMMERCIAL a HSD150PX17 A02 HANNSTAR TFT COLOR 15 0 INCH XGA 1024X768 ISP Beto STYLE 200NITS PB FREE HFLO1 6304FLP242C LP150X08 TLA2 F TFT COLOR 15 INCHES 1024X768 170NITS ANTI GLARE KUBNKMO095A ALPS GENERAL GENERAL GENERAL HUNTER FULL 15 INCH 97088 0066 HUNTER FULL ALL HUNTER TL ALL 1017 DAC 08B073 DELTA GENERAL GENERAL GENERAL HUNTER TL 15 INCH HUNTER FULL ALL HUNTER TL ALL 0210605 HFL16 6851B34041A 15 LCD CABLE 206 196 31 WIRES DEBORAH HFL16 6851B34042A 15
8. Operating System not found Check that the operating system has no failure and is installed correctly Enter BIOS Setup Utility and see whether the hard disk drive and the diskette drive are properly identified Reset the hard disk drive Reinstall the operating system Diskette drive Hard disk drive System board Hibernation error Restore the system configuration to what it was before the computer entered hibernation mode If memory size has been changed re create the hibernation file Thermal sensing error System board 32 Ch4 Symptom to part index B LCD related symptoms Note Before removing or disassembling LCD power off the computer unplug all power cords from electrical outlets remove the battery pack also Symptom Error FRU or action in sequence LCD screen becomes dark suddenly Check out Battery Miser Nothing displayed on LCD screen Check out Battery Miser 2 Choose Never in the Turn off Monitor item on Power Options Properties Check the power save mode switch if it is pressed by something Check the System is in standby or hibernation mode LCD backlight not working Reconnect inverter to the board connector LCD too dark Replace inverter LCD brightness cannot be adjusted LCD assembly System board LCD color cannot be adjusted Reset all LCD connectors LCD screen abnormal Replace LCD cable Characters missing pixels LCD assembly
9. COLOR 15 INCHES LIQUID CRYSTAL 1024X768 170NITS ANTI GLARE DISPLAY HUNTER FULL 15 INCH SUS 7 0KGF CM HFLO7 4774BD2005A HINGE LEFT HINGE HUNTER FULL 15 INCH SUS 7 0KGF CM HFLO8 4774BD2006A HINGE RIGHT HINGE 15 LCD CABLE 206X196 31 WIRES CABLE HFL16 6851B34041A DEBORAH ASSEMBLY 15 LCD CABLE WANSHIH 196X206 31 WIRES CABLE HFL16 6851B34042A DEBORAH ASSEMBLY 19
10. D2 5XL1 0 4 Remove a Screw then remove LCD Panel FRU No Specification 1SZZBZ3002K 04 5 X L3 5 56 Ch5 Removing replacing a part 5 Remove 8 Screws 6 Remove LCD Brackets No FRU No Specification 1522 4080 D3 8 12 5 TE 57 Ch5 Removing replacing a part 58 Ch6 Part lists Chapter 6 Part lists 2005 06 15 DLEO2 UFCPGA TRAY NT CPU CELERON M 370 RHEOSSENCOTTIM LG INTEL 478P UECPGA TRAY NT CPU CELERON 360 EN RHEOSSONCOISIM LG INTEL TOP UFOPGA TRAY NT CPU CELERON 350 ER SODIMM 256 32MX64 MATOTGSSIBZS COS SAMSUNG ELECTRONICS 200P SODIMM 512MB NEN 2 lE d SODIMM BK 512MB 64MX64 EN 114703984873 CD8 SAMSUNG ELECTRONICS 200P SODIMM BK 236MB IEEE M A 200P SODIMM BK 512MB 64MX64 533MHZ DDR2 EE AD MCA 200P SODIMM BK 256MB 32MX64 533MHZ DDR2 HEN DEBORAH NT B D MODEM ASSY QCOM ROHS EN RENNES Was EN EE pH 1 3111BOTS66B DEBORAH COVER KBD DECK TOTAL ASSY FOR EXPORT 0 3551809734 HUNTER FULL 15 INCH SPEAKER ASSY FOR ENVIROMENT 5 3210BD2021A HUNTER FULL 15 INCH ZN HINGE FRAME RIGHT 3210BD3027A DEBORAH ZN HINGE FRAME LEFT HFM14 3301B00559B EBOEAH HUNTER FULL WITH GASKET AND TAPE COMMERCIAL HFM13 3550BM3202A HUNTER WIDE 15 4 INCH PCABS HDD BLOCK HFM11 3550BM3204C DEBORAH PCABS COVER HINGE CAP LEFT SILVER 59
11. FRUS one by one to see if the symptoms change Replace only the part that changed the symptoms Caution The BIOS configuration on the computer you are servicing may have been customized Running Automatic Configuration my alter the settings Note the current configuration settings then when service has been completed verify that those settings remain in effect m Strategy for replacing a hard disk drive You have to get a User s approval before formatting or replacing a hard disk drive You must let the User know that the user is responsible for the loss data Caution The drive startup sequence in the computer you are servicing may have been changed Be extremely careful during write operations such as copying saving or formatting If you select an incorrect drive data or programs can be overwritten 1 Service information 1 2 Safety notices Warning Before the computer is powered on after part FRU replacement make sure all screws springs and other small parts are in place and are not left loose inside the computer Verify this by shaking the computer and listening for rattling sounds Metallic parts or metal flakes can cause electrical shorts Warning some standby batteries contain a small amount of nickel and cadmium Do not disassemble a standby battery recharge it throw it into fire or water or short circuit it Dispose of the battery as required by local ordinances or regulations Us
12. HFM04 3551B09740A HUNTER FULL 15 INCH COVER HDD H150F ASSEMBLY D2 0 L3 0MM SWRH4 DISPLAY SCREW HFM22 1SZZBA4017E E PIT s D4 5 L6 5MM SWRH4 M2 5 H1 0 BK HUNTER SCREW 0 5 DRAWING D4 5 18 SWRH4 LCD FIX BK MCKINLEY SCREW M2 5 TIP 0 ROHS DRAWING BRACKET HTAO1 4811B00605A HUNTER WIDE 15 4 INCH HDD SUS 17 1W 15F KSEE MEY 05 0 L3 0MM SWRH4 HDD ASSY FIX WH HUNTER SCREW WIDE 40 ROHS DRAWING 6744 00137 MHV2040AT FUJITSU 4068 EIDE INNER HUNTER HDD 2 6 6744 00138 MHV2060AT FUJITSU 60GB EIDE INNER HUNTER HDD 2 7 6744C00139A MHV2080AT FUJITSU 80GB EIDE INNER HUNTER HDD 2 8 BATTERY 4800MAH 3S 2P SIMPLO LI ION CYLINDERICAL ASSEMBLY MIAS 6911800121 HUNTER ALL LGC CELL ROHS GOODS SANG POOM BATTERY 35 2 LGC LI ION CYLINDERICAL ASSEMBLY 6911500092P HUNTER ALL LGC CELL ROHS GOODS SANG POOM BATTERY 4800 3S 2P SIMPLO LI ION CYLINDERICAL ASSEMBLY BEAR 6911B00119F HUNTER ALL SDI CELL ROHS GOODS SANG POOM LE50 4 Location LG P N SPECIFICATION REMARKS COVER NCVR1 3551B09758B DEBORAH MINI PCI E1677 ASSEMBLY HFMOS 3551B09757B DEBORAH MEMORY E1677 2 ASSEMBLY HFCO4 Sz NDS Q802MKG QCOM INTERFACE STANDARD LANCARD IEEE802 11G 54M LF LEAD FREE MINI PCI 9 HFM11 HFM12 LE50
13. LCD CABLE WANSHIH 196X206 31 WIRES DEBORAH 4 6718 000012 Q802MKG INTERFACE STANDARD 802 116 54M LF LEAD FREE HTA02 1SZZBA4011K 05 013 0 SWRH4 HDD ASSY FIX WH HUNTER WIDE 0ROHS 0 L3 0MM SWRH4 HDD ASSY FIX WH HUNTER WIDE TIP 0 ROHS eem pee eee pee m eem 61 Ch6 Part lists 4 677 7 DV 28E N88 TEAC 24X NOTE BOOK DEBORAH DVD ASSY ROHS a TS L632B TSST 8X 8X 4X 8X 6X 4X 5X 24X 10X 2X 4X 2 4X 2X 3X 24X HTA04 NOTE BOOK DEBORAH SUPERMULTI GCC 4244N HLDS 8X 24X 24X 24X 12 7 MM NOTEBOOK COMBO ASSY 4 2029 1 01 ROHS DEBORAH NSCR6 6871BJ501A1 DEBORAH LGE 8 LAYERS REV 04 DEBORAH ROHS MAIN B D ASSY PATA LGE 8 LAYERS REV 0 4 DEBORAH ROHS MAIN B D DEBORAH LGE 8 LAYERS REV 04 DEBORAH ROHS MAIN B D ASSY PATA MP PCB ASSY PCB ASSY NSCR6 6871BJ502A1 DEBORAH 8 LAYERS REV 0 4 DEBORAH 4 ROHS MAIN B D MP PCB ASSY ASSY SATA HWC12 6910BLC3201 CR2032 SONY 220MAHCOIN SONY 3V 220MA H COIN 07 6911B00121P 4800 35 2 SIMPLO LI ION CYLINDERICAL HUNTER ALL LGC CELL ROHS 7 6911 00092 4800 38 2 LGC LI ION CYLINDERICAL HUNTER ALL LGC CELL ROHS 07 6911 00119 ous 35 2 SIMPLO LI ION CYLINDERICAL HUNTER ALL SDI CELL 55 62 LE50 LE50 Location LG P N SPECIFICATION REMARKS COVER
14. LYLOCK ROHS DRAWING HFD BOTS66A DEBORAH COVER KBD DECK TOTAL ASSY 01 3111 0 566 ASSEMBLY HFD DEBORAH COVER KBD DECK TOTAL ASSY CASE n FOR EXPORT ASSEMBLY 8 lt 24 HTA04 LE50 Location LG P N SPECIFICATION REMARKS D4 3 L5 0MM SWRH4 M2X5 0L BK MCKINLEY SCREW HFM24 1SZZBZ4014C LYLOCK ROHS DRAWING DV 28E N88 TEAC 24X NOTE BOOK DEBORAH DVD ROM DRIVE E DVD ASSY ROHS ASSEMBLY TS L632B TSST 8X 8X 4X 8X 6X 4X 5X 24X 10X 4X 4 2026 2 01 5 2X 4 2 4 2X 3X 24 NOTE BOOK DEBORAH iin SUPERMULTI A GCC 4244N HLDS 8X 24X 24X 24X 12 7 COMBO SSSPBIROHIE NOTEBOOK COMBO ASSY ROHS DEBORAH ASSEMBLY HFM24 HFM06 05 LE50 Location LG P N SPECIFICATION REMARKS D2 0L 3 5 SWRH4 SYDNEY SYSTEM SILVER SCREW HFM23 1SZZBA4023A S3 PJT PLATED NICKEL DRAWING 67782 C D4 3 L5 0MM SWRH4 M2X5 0L BK MCKINLEY SCREW spia LYLOCK ROHS DRAWING 5 3210BD2021A HUNTER FULL 15 INCH ZN HINGE FRAME RIGHT FRAME 3210BD3027A DEBORAH ZN HINGE FRAME LEFT FRAME 10 LE50 23 NSCR6 HWC12 Location LG P N SPECIFICATION REMARKS CASE 1 3111BOTS65A DEBORAH COVER BOTTOM CASE ASSY ASSEMBLY HFM13 3550 3202 HUNTER WIDE 15 4 PCABS HDD BLOCK COVER 02 01 3 5 SWRH4 SYDNEY SYSTEM SILVE
15. Menu Move to another menu Space Bar Change Values Change the value of a selected item i F9 Load Default Configuration Display Setup Confirmation window Press Enter to load default configuration 4 Enter Select Sub Menu Some items have sub menus Display the sub menu for a selected item F10 Save and Exit Display Setup Confirmation window Press Enter to save and exit Ese Exit In a sub menu press Esc to move to the previous window In Main menu click Esc to move to Exit menu 20 Ch3 System information B Main menu System Time Current time Use lt Tab gt lt Shift Tab gt or Enter keys to move around these fields To change the value press lt gt or lt gt key System Date Today date Use Tab lt Shift Tab gt or Enter keys to move around these fields To change the value press lt gt or lt gt key Set any date from year 1981 to 2079 It will automatically keep track of leap years The system date can also be set from the operating system Product Name This shows the name of PC Processor Type This shows the type of CPU Processor Spd This shows the speed CPU BIOS Version This shows the Version of BIOS KBC Version This shows the Version of KBD firm ware UUID This is for display only This shows the UUID Pri Master Enter its submenu by pressing Enter In this submenu it would show the device of Primary IDE M
16. between battery terminals 1 and 2 The resistance must be 2 to 4kQ typically 3kQ 5 the resistance is not correct replace the battery pack If the resistance is correct replace the system board Note Charging will take at least 3 hours Note Battery is an expendable supplier so its capacity and used time can be reduced by using the computer 28 Ch4 Symptom to part index B Numeric error codes Symptom Error FRU or action in sequence 0200 Fixed disk failure The hard disk is not working 0210 Stuck Key error 0211 Keyboard error 0212 Keyboard Controller Failed 0220 Monitor type error Monitor type does not match the one specified in CMOS 0230 System RAM error System RAM Failed at offset 0231 Shadow RAM error Shadow RAM failed at offset 0232 Extended RAM error Extended RAM Failed at address line 0250 System battery error System battery is dead 1 Reset the hard disk drive 2 Load Setup Defaults in BIOS Setup Utility 3 Hard disk drive 4 System board 1 Check the keyboard if it is pressed 2 Replace the keyboard Run interactive tests of the keyboard and the auxiliary input device System board Load Setup Defaults in BIOS Setup Utility 1 DIMM 2 System board System board 1 DIMM 2 System board Replace the backup battery and run BIOS Setup Utility to reset the time and date 29 Ch4 Symptom to part index Symptom Error 025
17. image only 1 Update DMI information only If new DMI information is not specified the current DMI information is left unchanged 2 Update BIOS and DMI information If new DMI information is not specified the current DMI information is left unchanged 3 Update BIOS and DMI information DMI information is updated to the DMI string and options specified in the new BIOS image Note DMI is Desktop Management Interface 18 Ch3 System information B BIOS Setup BIOS Basic Input and Output System Setup saves the system configuration in CMOS RAM and check the configurations during startup Use the BIOS Setup Utility to change and save the system environment hardware configurations power saving mode etc Open the BIOS Setup Utility in the following situations 1 to change the BIOS setup 2 to replace the backup battery 3 system configuration error occurs 4 to change the boot order 5 to set change a password Press the power button When the LG logo appears on the screen press F2 and enter the BIOS Setup Utility 19 Ch3 System information B Using the keys The keys used in the BIOS Setup Utility and their functions are described at the bottom F1 Alt HJ General Help Display the descriptions of the keys used in the setup utility 41 1 Select Navigate and select items in the setup utility The selected becomes highlighted gt Select
18. mat and the person handling the part are all at the same charge Note Use product specific ESD procedures when they exceed the requirements noted here Make sure that the ESD protective devices you use have been certified 1509000 as fully effective When handling ESD sensitive parts 1 Keep the parts in protective packages until they are inserted into the product 2 Wear a grounded wrist strap against your skin to eliminate static on your body 3 Prevent the part from touching your clothing Most clothing retains a charge even when you are wearing a wrist strap 4 Use the black side of a grounded work mat to provide a static free work surface The mat is especially useful when handling ESD sensitive devices 5 Select a grounding system such as those listed below to provide protection that meets the specific service requirement Note The use of a grounding system is desirable but not required to protect against ESD damage a Attach the ESD ground clip too any frame ground ground braid or green wire ground b Use an ESD ground or reference point when working on a double insulated or battery operated system You can use coax or connector outside shells on these systems c Use the round ground prong of the AC plug on AC operated computers B Grounding requirements Electrical grounding of the computers is required for operator safety and correct system function Proper grounding of the electrical outlet
19. 000Q DEBORAH NT B D MODEM ASSY QCOM ROHS ASSEMBLY FAN 7 59018092798 ASSY DEBORAH LG ASSEMBLY 13 LE50 NSCR7 Location LG P N SPECIFICATION REMARKS HUNTER FULL 15 INCH SPEAKER ASSY FOR COVER HFD03 3551B09734B ENVIROMENT ASSEMBLY 03 5 L3 0MM SWRH4 DUMMY COVER FIX SILVER SCREW ad MAGELLAN DISPLAY DRAWING 14 LE50 NSCR5 8 HFL14 NSCR5 LE50 Location LG P N SPECIFICATION REMARKS 04 5 L4 5MM SWRH4 2 5 H1 0 SILVER HUNTER SCREW NSCR5 1SZZBA4080F TIP 0 DRAWING DEBORAH SILICON DISPLAY FRONT LOWER NCSN1 4850BM4030B CUSHION FOR DEBORAH CUSHION HUNTER FULL 15 INCH SILICON DISPLAY FRONT NCSN1 4850BM4030A LOWER CUSHION CUSHION CASE HFLO6 3111BOTS70A DEBORAH COVER FRONT CASE ASSY ASSEMBLY CASE HFLO6 3111 0 570 DEBORAH COVER FRONT CASE ASSY FOR EXPORT ASSEMBLY HUNTER FULL 15 INCH SILICON DISPLAY FRONT HFL13 4850BM4029A UPPER CUSHION CUSHION HUNTER FULL 15 INCH SILICON DISPLAY FRONT BEES UPPER CUSHION FOR COMMERCIAL SUSHI HFL14 4826BZ4003B DISPLAY RUBBER FRONT HUNTER 14T SILVER SPACER DISPLAY RUBBER FRONT HUNTER FULL SILVER HFL14 4826BZ4003C FOR COMMERCIAL SPACER HTL25 3850BB3042A BRAND NAME LABEL HUNTER T DOMESTIC LABEL BRAND NAME LABEL HUNTER 15 FULL SMILE LG HTL25 3850BB3042B LABEL FOR COMMERCIAL 16 LE50 Location LG P N SPECIFICATION
20. 060 7 Display Module 1070 8 Key Deck 1080 9 Optical Disk Drive 1090 1 Remove 2 Right Hinge Screws 1977 02 0 X L8 5 1522874014 02 0 X L5 0 51 Ch5 Removing and replacing a part 2 Remove 2 Left Hinge Screws FRU No Specification 1572 74014 D2 0 15 0 2 Remove 4 Screws FRU No Specification 1SZZBZ4023A D2 0 X L3 5 52 Ch5 Removing replacing a part 3 Remove dummy using a type screwdriver 53 Ch5 Removing and replacing a part 1110 Speakers Remove the following parts in order before replacing this part 1 Battery Pack 1010 2 Hard Disk Drive 1020 3 Wireless LAN Card 1030 4 Keyboard 1040 5 Retainer 1050 6 Keyboard Plate 1060 7 Display Module 1070 8 Key Deck 1080 1 Remove 2 Screws then remove Speaker left and Speaker right FRU No Specification 1SZZBZ4041A D3 5 X L3 0 54 Ch5 Removing and replacing a part 1120 Display Exploded View Remove the following parts in order before replacing this part 1 Battery Pack 1010 2 Hard Disk Drive 1020 3 Wireless LAN Card 1030 4 Keyboard 1040 5 Retainer 1050 6 Keyboard Plate 1060 7 Display Module 1070 1 Remove 6 Rubber Caps then remove 6 Screws FRU No Specification 1577874080 D2 5 X L1 0 EE 2 Remove LCD Front 55 Ch5 Removing and replacing a part 3 Remove 4 Screws FRU No Specification 1SZZBZ4080F
21. 1 System CMOS checksum bad System CMOS checksum is not correct Default configuration used 0252 Password checksum bad The password is cleared 0260 System timer error 0271 Check date and time settings Date and time error 0280 Previous boot incomplete Default configuration used 0281 Memory Size found by POST differed from EISA CMOS 0200 System cache error Cache disabled RAM cache failed and BIOS disabled 02F4 EISA CMOS not writable 02F5 DMA test failed 02 6 Software NMI failed 30 FRU or action in sequence Replace the backup battery and run BIOS Setup Utility to reset the time and date Reset the password by running BIOS Setup Utility 1 Replace the backup battery and run BIOS Setup Utility to reset the time and date 2 System board Run BIOS Setup Utility to reset the time and date 1 Load Setup Default in BIOS Setup Utility 2 DIMM 3 System board Load Setup Defaults in BIOS Setup Utility Load Setup Default in BIOS Setup Utility 2 System board Load Setup Default in BIOS Setup Utility Replace the backup battery System board DIMM 2 System board DIMM 2 System board Ch4 Symptom to part index Symptom Error FRU or action in sequence 1 2 02F7 Fail Safe timer NMI failed 0611 IDE configuration changed 0612 IDE configuration error 0613 Com A configuration changed 0614 Com A configuration er
22. Boot menu Boot menu enables you to set the boot order for the CD ROM drive Removable devices Hard drive and Network boot as shown below CD ROM Drive Removable Devices Hard Drive 82 00 Yukon B Exit menu Exit Saving Changes Select Exit Saving Changes to save new setup information in CMOS RAM CMOS RAM stores the information using the backup battery therefore the information will not be lost when the computer is turned off Exit Discarding Changes Select Exit Discarding Changes to discard new setup information If you made changes to items other than date time and passwords the Setup Warning asks you to save the new configurations Select Yes and press Enter to save the new configuration Load Setup Defaults Select Load Setup Defaults to change the setup information to the factory default settings If you select Load Setup Defaults or press F9 Setup Confirmation asks you to confirm your selection Press Yes to load setup defaults Discard Changes Discard change value Save Changes Save change value 23 Ch4 Symptom to part index Chapter 4 Symptom to part index The symptom to part index in this section lists symptoms and errors and their possible causes The most likely cause is listed first Note If replacing a part FRU does not solve the problem put the original part back in the computer Do not replace a non defective FRU Power system checkout To verify a symptom do the following
23. R SCREW EE 1 4023 S3 PJT PLATED NICKEL DRAWING BATTERY HWC12 6910BLC3201 CR2032 SONY 3V 220MA H COIN LITHIUM PWB PCB BETTBUBO A DEBORAH LGE 8 LAYERS REV 0 4 DEBORAH ROHS fate MAIN B D ASSY PATA MAIN PWB PCB M DEBORAH LGE 8 LAYERS REV 0 4 DEBORAH RO ASSEMBLY 4 ROHS MAIN B D ASSY SATA Mo 11 LE50 HFM25 HTCO5 12 LE50 Location LG P N SPECIFICATION REMARKS HYS64T32000HDL 3 7 A INFINEON 200P SODIMM NMEM1 00007 256 32 64 533MHZ DDR2 SDRAM IC MEMORIES WITH 32MX16 M470T6554BZ3 CD5 SAMSUNG ELECTRONICS 200P NMEM1 0IMMR00006C SODIMM BK 512MB 64MX64 533MHZ DDR2 SDRAM IC MEMORIES WITH 32MX16 HYS64T64020HDL 3 7 A INFINEON 200P SODIMM NMEM1 0IMMR00008A BK 512MB 64MX64 533MHZ DDR2 SDRAM IC MEMORIES WITH 32MX16 M470T3354BZ3 CD5 SAMSUNG ELECTRONICS 200P NMEM1 0IMMR00005C SODIMM BK 256MB 32MX64 533MHZ DDR2 SDRAM IC MEMORIES WITH 32MX16 564564 6 4 HYNIX 200 SODIMM 512MB IPNI 64 64 533MHZ DDR2 SDRAM WITH 32 16 iS MEMORIES HYMP532S64P6 C4 HYNIX 200P SODIMM BK 256MB Eee 32MX64 533MHZ DDR2 SDRAM WITH 32 16 MEMORIES 9 3550BM3171B ME 14 PCABS DUMMY CARDBUS COVER D2 0 L 3 5 SWRH4 SYDNEY SYSTEM SILVER SCREW Me S3 PJT PLATED NICKEL DRAWING 04 0 L8 8MM SWRH4 FAN ASSEMBLY SILVER SCREW RHMES MCKINLEY L 10 0 WITH HEAD LENGTH DRAWING BASE HTCO5 3041B0A
24. REMARKS amas D4 5 L4 5MM SWRH4 M2 5 H1 0 SILVER HUNTER SCREW TIP 0 DRAWING CASE HFL02 3111BOTS68A DEBORAH COVER REAR CASE TOTAL ASSY movi DEBORAH COVER REAR CASE TOTAL ASSY CASE HFLO2 3111BOTS68B EXPORT 17 HFL10 NSCRS3 NSCR4 LE50 ile 8 HFLO2 See Location LG P N SPECIFICATION REMARKS CASE HFLO2 3111 0 568 DEBORAH COVER REAR CASE TOTAL 55 ASSEMBLY DEBORAH COVER REAR CASE TOTAL ASSY CASE HFLO2 3111BOTS68B EXPORT AGSEMBLS INVERTER PLATE HUNTER 14T FOR INVERTER HFLO9 3300BP4455A PLATE PLATE PLATE HFL10 3301B00540A ANTENNA PLATE HUNTER 14T WIRELESS LEFT esa NSCR3 1SZZBZ3002K D4 5 L3 5MM SWRH4 HUNTER ROHS DRAWING D3 8 L2 5MM SWRH4 1 0 BK MCKINLEY NYLOK SCREW NSCR4 1SZZBZ3009J GAIN KUBNKMO095A ALPS GENERAL GENERAL GENERAL HFL12 6708BI0088B HUNTER FULL 15 INCH HUNTER FULL ALL POWER SUFREN HUNTER TL ALL MP1017 INVERTER DAC 08B073 DELTA GENERAL GENERAL GENERAL HFL12 67088100898 HUNTER TL 15 INCH HUNTER FULL ALL POWER SS I HUNTER TL ALL 0210608 INVERTER 18 NSCR4 LE50 Location LG P N SPECIFICATION REMARKS 03 8 L2 5MM SWRH4 1 0 BK MCKINLEY SCREW NSCR4 1SZZBZ3009J NYLOK ROHS DRAWING LCD HFLO1 6304FHS011A HSD150PX17 A02 HANNSTAR TFT COLOR 15 0 INCH LIQUID CRYSTAL XGA 1024X768 ISP STYLE B 200NITS PB FREE DISPLAY LCD HFLO1 6304FLP242C LP150X08 TLA2 F TFT
25. Service Manual LE50 LG Electronics Contents Ch 1 Service information Ch 2 Locations Ch 3 System information Specification Model configuration System Block Diagram Fn key combinations Status indicators BIOS Flash BIOS Setup Ch 4 Symptom to part index Power system checkout Numeric error codes Error messages LCD related symptoms Indeterminate problems Ch 5 Removing and replacing a part FRU Ch 6 Part list Part list Exploded view 1 Service information Chapter 1 Service information 1 1 Important service information Strategy for replacing parts FRU Field Replaceable Units Before replacing parts Make sure that latest BIOS and drivers are installed before replacing any parts FRUS listed in this Use the following strategy to prevent unnecessary expense for replacing and servicing parts 1 If you are instructed to replacing a part but the replacement does not correct the problem reinstall the original part before you continue 2 Some computers have both a processor board and system board If you are instructed to replace either the processor board or the system board and replacing one of them does not correct the problem reinstall that board and then replace the other one 3 If an adapter or device consists of more than one part any of the parts FRUs may be the cause of the error Before replacing the adapter or device remove the parts
26. aster is HDD and its parameters Sec Slave Enter its submenu by pressing Enter In this submenu it would show the device of Secondary IDE Slave is optical drive and its parameters Total Memory This is for display only This shows size of system memory 21 Ch3 System information B Advanced menu Legacy USB Support There are two options to this field Enabled and Disabled This field allows you to enable or disable the legacy USB support Boot time Diagnostic Screen Enables the Boot time Diagnostic Screen SATA Controller Mode Set SATA Serial ATA Controller Mode AHCI Configuration Enables the AHCI Advanced Host Controller Interface Battery Charge Stop Percentage Set Battery Charge Stop Percentage Fan Mode Control Set Fan Mode Control Fn Key Setup Set Sticky fn key function Wake On Lan Enables Wake On Lan PXE Remote Boot Enables PXE Remote Boot Execute Disable Bit Capability Enables Execute Disable Bit Capability Security menu Supervisor Password Is This shows the system s supervisor password has been set or not Set Supervisor Password Set Supervisor Password User Password 15 This shows the system s User Password has been set or not Set User Password Set User Password Password on boot Enables Password on boot HDD Password Is This shows the system s HDD Password has been set or not Set HDD Password Set HDD Password 22 Ch3 System information B
27. can be verified by a certified electrician 1 Service information 1 4 Laser compliance statement When a CD ROM drive DVD drive or the other laser product is installed note the following Caution N Use of controls or adjustments or performance of procedures other than those specified here in might result in hazardous radiation exposure Opening the CD ROM drive DVD ROM drive or the other optical storage device could result in exposure to hazardous laser radiation There are no serviceable parts inside those drives Do not open Danger N Emits visible and invisible laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to the bean 1 5 Backup Standby RTC battery safety information When replacing or disposing of the backup standby RTC battery note the following Caution There is the risk of explosion if the backup standby RTC battery is replaced by an incorrect type Dispose of used backup standby RTC battery according to your local ordinances or regulation
28. curs or not b Keyboard c Keydeck TouchPad and Scroll Button assembly d System board 34 Ch5 Removing and replacing part Chapter 5 Removing and replacing a part FRU Danger Before removing any FRU power off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any interconnecting cables Caution Before the computer is powered on after FRU replacement make sure that all screws springs and other small parts are in place and are not loose inside the computer Verify metal flakes can cause electrical short circuits Note As for the screw every Torque 3 0 2 0 196 35 Ch5 Removing and replacing a part 1010 Battery Pack 1 Push the battery latch in the direction shown below then slide the battery pack out of the slot 36 Ch5 Removing and replacing a part 1020 Hard Disk Drive Remove the following parts in order before replacing this part 1 Battery Pack 1010 1 Remove 2 HDD Cover Screws then remove HDD cover 2 Remove HDD 37 Ch5 Removing and replacing a part 1030 Wireless LAN Card Remove the following parts in order before replacing this part 1 Battery Pack 1010 2 Hard Disk Drive 1020 1 Remove a Mini PCI Cover Screw 2 Remove Mini PCI Cover 38 Ch5 Removing replacing a part 3 Disconnect Antenna Connector then remove Wireless LAN Ca
29. d information about the battery double click the Power Meter icon Note If the battery pack becomes hot it may not be able to charge Remove it from the computer and Leave it at room temperature for a while After it cools down reinstall and recharge it 26 Ch4 Symptom to part index The Characteristics of the battery pack 1 Self discharge The battery gradually loses its power over time without ever being used 2 Periodic full discharge charge Frequent recharge of the battery pack can reduce the capacity of the battery pack When this happens you can perform the full discharge charge to improve the capacity You should perform periodic full discharge charge once every 30 60 days You should always use the battery until its power is low then fully charge the battery 3 Trickle charge If the temperature of the battery pack drops below 10 C the trickle charging begins The trickle charging may take 32 hours for the battery pack to be fully charged 27 Ch4 Symptom to part index check the battery pack do the following 1 Power off the computer 2 Remove the battery pack and measure the voltage between battery terminals 1 and 5 See the following figure 5 1 5 2 7 0 12 6 6 59222427372 1C 3 If the voltage is still less than 11 1 V DC after recharging replace the battery 4 If the voltage is more than 11 1 V DC measure the resistance
30. der replacing a FRU only when a problem recurs If you suspect that a FRU is defective clear the error log and run the test again If the error does not recur do not replace the FRU Be careful not to replace a non defective FRU B What to do first You must fill out the record form first During the warranty period the customer may be responsible for repair costs if the computer damage was caused by misuse accident modification unsuitable physical or operating environment or improper maintenance by the customer The following list provides some common items that are not covered under warranty and some symptoms that might indicate that the system was subjected to stress beyond normal use Before checking problems with computer determine whether the damage is covered under the warranty by referring to the following 10 1 Service information The followings are not covered under warranty CD panel cracked from the application of excessive force or from being dropped Scratched cosmetic parts Distortion deformation or discoloration of the cosmetic parts Cracked or broken plastic parts broken latches broken pins or broken connectors caused by excessive force Damage caused by liquid spilled into system Damage caused by improper insertion of a PC Card or the installation of an incompatible card Damage caused foreign material in the diskette drive Diskette drive damage caused by pressure on the d
31. e only the battery in the appropriate parts listing Use of an incorrect battery can result in ignition or explosion of the battery Warning The battery pack contains small amounts of nickel Do not disassemble it throw it into fire or water or short circuit it Dispose of the battery pack as required by local ordinances or regulations Use only the battery in the appropriate parts listing when replacing the battery pack Use of an incorrect battery can result in ignition or explosion of the battery Warning If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands immediately was the affected areas with water for at least 15 minutes Seek medical care if any symptoms from the fluid are present after washing Warning To avoid shock do not remove the plastic cover that protects the lower part of the inverter card Warning Though the main batteries have low voltage a shorted or grounded battery can produce enough current to burn personnel or combustible materials Warning Before removing any part FRU turn off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any interconnecting cables 1 Service information 1 3 Safety information General safety Follow these rules to ensure general safety Observe good housekeeping in the area of the machines during and after maintenance When lifting any heavy object 1 Ens
32. e replacing this part 1 Battery Pack 1010 2 Hard Disk Drive 1020 3 Wireless LAN Card 1030 4 Keyboard 1040 5 Retainer 1050 6 Keyboard Plate 1060 1 Remove Hinge Cap using a type screwdriver or tool 46 Ch5 Removing and replacing a part 2 Remove 2 Screws 1SZZBA4097A D2 5 X L1 0 3 Remove Display Module 47 Ch5 Removing and replacing a part 4 Remove 4 Screws FRU No Specification 1SZZBA4014C D4 3 X L5 0 48 Ch5 Removing and replacing a part 1080 Key Deck Remove the following parts in order before replacing this part 1 Battery Pack 1010 2 Hard Disk Drive 1020 3 Wireless LAN Card 1030 4 Keyboard 1040 5 Retainer 1050 6 Keyboard Plate 1060 7 Display Module 1070 1 Disconnect Speaker Connector then remove Key Deck 49 Ch5 Removing and replacing a part 1090 Optical Disk Drive Remove the following parts in order before replacing this part 1 Battery Pack 1010 2 Hard Disk Drive 1020 3 Wireless LAN Card 1030 4 Keyboard 1040 5 Retainer 1050 6 Keyboard Plate 1060 7 Display Module 1070 8 Key Deck 1080 1 Remove a Screw 2 Remove ODD 50 Ch5 Removing replacing a part 1100 Main Board Remove the following parts in order before replacing this part 1 Battery Pack 1010 2 Hard Disk Drive 1020 3 Wireless LAN Card 1030 4 Keyboard 1040 5 Retainer 1050 6 Keyboard Plate 1
33. f position If you need to work on a machine that has exposed electrical circuits observe the following precautions Ensure that another person familiar with the power off controls is near you Caution Another person must be there to switch off the power if necessary Use only one hand when working with powered on electrical equipment Keep the other hand in your pocket or behind your back Caution N An electrical shock can occur only when there is a complete circuit By observing the above rule you may prevent a current from through your When using testers set the controls correctly and use the approved probe leads and accessories for that tester 1 Service information Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and machine frames Observe the special safety precautions when you work with very high voltages These instructions are the safety sections of maintenance information Use extreme care when measuring high voltages Regularly inspect and maintain your electrical hand tools for safe operational condition Do not use worn or broken tools and testers Never assume that power has been disconnected from a circuit First check that it has been powered off Always look carefully for possible hazards in your work area Examples of these hazards are moist floors non grounded power extension cables p
34. ical shock 2 Mechanical hazards such as loose or missing hardware Refer to the following checklist and begin the checks with the power off and the power cord disconnected Checklist 1 Check exterior covers for damage loose broken or sharp edges 2 Power off the computer Disconnect the power cord 3 Check the power cord for a A third wire ground connector in good condition Use a meter to measure third wire ground continuity for 0 1 amp or less between the external ground pin and frame ground b The power cord should be the type specified in the parts list c Insulation must not be frayed or worn 4 Remove the cover 5 Check for any obvious non LG alterations Use good judgment as to the safety of any non LG alterations 6 Check inside the unit for any obvious unsafe conditions such as metal filings contamination water or other liquids or signs of fire or smoke damage 7 Check for worn frayed or pinched cables 8 Check that the power supply cover fasteners screw or rivets have not been removed or tampered with 1 Service information B Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits ICs should be considered sensitive to electrostatic discharge ESD ESD damage can occur when there is a difference in charge between objects Protect against ESD damage by equalizing the charge so that the machine the part the work
35. iskette drive cover or by the insertion of a diskette with multiple labels Damaged or bent diskette eject button Fusses blown by attachment of a non supported device Forgotten computer password making the computer unusable Sticky keys caused by spilling a liquid onto the keyboard The following symptoms might indicate damage caused by non warranted activities Missing parts might be a symptom of unauthorized service or modification If the spindle of a hard disk drive becomes noisy it may have been subjected to excessive force or dropped 11 Ch2 Locations Chapter 2 Locations m LCD Latch LCD Latch B Front view Mute Button Volume Up Volume Down Power Button Headphone Connector MIC Connector Internal Speaker B Rear view AC Connector USB Connector LAN Connector 12 Ch2 Locations B Left view PC Card Eject Button S Video Connector PC Card Slot Fan Louver Connector IEEE 1394 Connector USB Connector 4 in 1 Card Slot SD MMC MS MS Pro B Right view Security key hole Emergency eject hole Optical Disk Drive ODD Open Button Emergency eject hole Insert a thin and hard pin into this hole and you can open the disc tray manually Security key hole Kensington Lock User can attach a separately purchased chain lock into the security keyhole and connect it to a fixed object to prevent a notebook theft 13 Ch3 Syste
36. m information Chapter 3 System information Specification CPU Dothan 1 6 2 0 GHz Celeron 1 3 1 6 GHz UFCBGA Main Chipset amp Graphic Radeon Xpress 200M Memory 2SODIMM Up to 2GB DDR2 2 32005 42005 Capable 400 533MHz HDD 2 5 9 5mm 40 60 80 GB SATA Type 2 5 9 5mm 40 60 80 100 GB Communication Marvell Yukon 88 8036 PCI E 10 100 Ethernet Controller Wireless LAN Solution 802 11bg Mini PCI Type Hexa band Antenna Card Slot 4 in Card Slot Memory Stick Memory Stick Pro Multi Media Card SD ODD Removable Optical Storage DVD DVD COMBO DVD Super Multi Port VGA 4X USB 2 0 RJ45 Headphone SPDIF IEEE1394 S Video Input Devices Keyboard 86Key Keyboard Touchpad Buttons Power Volume Down Volume Up Mute ndicator LED Power On Charge HOD Caps Lock Num Lock Wireless Power 65 Watt 18 5V 3 5A Adapter Audio Sigmatel High Definition Audio Codec STAC9200 Stereo speakers Battery 6 Cell 4 8AHr CYLINDRICAL Li lon 9 Cell 7 2AHr CYLINDRICAL Li lon 14 Ch3 System information iagram System Block D ans 5 ag sowzzwqut A s a SW OWN as queo T NI T sopu asn TITLIOd Acc NNOO 104 m AE RIOD ONOQIA 5 NNOO 142 queog dns om
37. oltage is acceptable do the following 1 Replace the system board 2 If the problem persists check the AC adapter whether it is correct product or not Note Noise from the AC adapter does not always indicate a defect Checking operational charging 1 To check whether the battery charges properly during operation use a discharged battery pack or a battery pack that has less than 50 of the total power remaining when installed in the computer Perform operational charging If the battery status indicator or icon does not turn on remove the battery does not turn on replace the battery pack 2 If the charge indicator still does not turn on replace the system board Then reinstall the battery pack Note Do not charge battery pack when its temperature is below 0 or above 75 C Checking the battery pack 1 Open the Power Meter window by clicking Start Control Panel Power Options and then check the total power remains Battery charging does not start until the power Meter shows that less than 95 of the total power remains under this condition the battery pack can charge to 100 of its capacity This protects the battery pack from being overcharged or from having a shortened life 2 To check the status of your batter move your cursor to the Power Meter icon in the icon tray of the Windows taskbar and wait for a moment but do not click and the percentage of battery power remaining is displayed To get detaile
38. on mode Blinking The computer is in standby mode 6 Battery Battery status indicator indicates the following status of the battery Power status indicator indicates the following status of the computer On Battery is being charged Off Battery is being discharged or fully charged Blinking Battery is remaining less than 10 or being discharged or A battery error occurs The Battery indicator blinks as you have set the alarm action from the Battery miser 2005 7 Drive in use Drive in use indicator lights up when data is being written to or read from the hard disk or optical disk drive 17 Ch3 System information B BIOS Flash You can update BIOS using a floppy disk drive Because this system is not equipped with any floppy disk drive you have to use an external USB drive for a BIOS update In order to boot up with an USB drive please set Removable Device as the first boot up drive in the boot menu of BIOS setup How to update flash ROM in DOS 1 Create boot up flash update diskette 2 Copy ROM image file wph into the root of the flash update diskette 3 Copy phlash16 exe to the flash update diskette 4 Insert the diskette into the FDD of your computer 5 Boot your computer with the diskette and type phlash16 wph mode n 6 Cold boot and follow the instruction displayed on the screen Flash options mode n 0 Default mode Keep the current DMI information and update BIOS
39. ower surges and missing safety grounds Do not touch live electrical circuits with the reflective surface of a plastic dental mirror The surface is conductive such touching can cause personal injury and machine damage Do not service the following parts with the power on when they are removed from their normal operating places in a machine 1 Power supply units 2 Pumps 3 Blowers and fans 4 Motorgenerators and similar units This practice ensure correct grounding of the units If an electrical accident occurs 1 Use caution do not become a victim of yourself 2 Switch off power 3 Send another person to get medical aid 1 Service information B Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions As each machine was designed and built required safety items were installed to protect users and service personnel from injury This guide addresses only those items You should use good judgment to identify potential safety hazards due to attachment of non LG features or options not covered by this inspection guide If any unsafe conditions are present you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem Consider these conditions and the safety hazards they present 1 Electrical hazards especially primary power primary voltage on the frame can cause serious or fatal electr
40. rd 39 Ch5 Removing and replacing a part 1040 Keyboard Remove the following parts in order before replacing this part 1 Battery Pack 1010 2 Hard Disk Drive 1020 3 Wireless LAN Card 1030 1 Remove 20 Screws 40 Ch5 Removing and replacing a part 2 To remove 6 hooks insert a type screwdriver into a hook located at the lower end of keyboard and pull it 3 Disconnect Keyboard Connector 41 Ch5 Removing and replacing a part 4 Remove Keyboard 42 Ch5 Removing and replacing a part 1050 Retainer Remove the following parts in order before replacing this part 1 Battery Pack 1010 2 Hard Disk Drive 1020 3 Wireless LAN Card 1030 4 Keyboard 1040 1 Remove 2 Screws FRU No Specification 1SZZBA4097A D2 5 X L1 0 2 Pull up the Retainer Hook using a type screwdriver 43 Ch5 Removing and replacing a part 3 Disconnect Retainer Connector 4 Remove Retainer 44 Ch5 Removing and replacing a part 1060 Keyboard Plate Remove the following parts in order before replacing this part 1 Battery Pack 1010 2 Hard Disk Drive 1020 3 Wireless LAN Card 1030 4 Keyboard 1040 5 Retainer 1050 1 Remove 5 Screws FRU No Specification 1SZZBA4023A D2 0 X L3 5 2 Remove Keyboard Plate Ch5 Removing and replacing a part 1070 Display Module Remove the following parts in order befor
41. ror 0615 Com B configuration changed 0616 Com B configuration error 0617 Floppy configuration changed 0618 Floppy configuration error 0619 Parallel port configuration changed 061A Parallel port configuration error 31 DIMM System board Load Setup Defaults in BIOS Setup Utility 2 System board Load Setup Defaults in BIOS Setup Utility 2 System board Load Setup Defaults in BIOS Setup Utility 2 System board Load Setup Defaults in BIOS Setup Utility 2 System board Load Setup Defaults in BIOS Setup Utility 2 System board Load Setup Defaults in BIOS Setup Utility 2 System board Load Setup Defaults in BIOS Setup Utility 2 System board Load Setup Defaults in BIOS Setup Utility 2 System board Load Setup Defaults in BIOS Setup Utility 2 System board Load Setup Defaults in BIOS Setup Utility 2 System board Ch4 Symptom to part index B Error message Symptom Error FRU or action in sequence Device address conflict 1 Load Setup Defaults in BIOS Setup Utility 2 Backup battery 3 System board Allocation error for device Load Setup Defaults in BIOS Setup Utility Backup battery System board Failing bits nnnn DIMM 2 System board Invalid System Configuration Data DIMM 2 System board Device IRQ Conflict Load Setup Defaults in BIOS Setup Utility Backup battery System board
42. ure you can stand safely without slipping 2 Distribute the weight of the object equally between your feet 3 Use a slow lifting force Never move suddenly or twist when you attempt to lift 4 Lift by standing or by pushing up with your leg muscles This action removes the strain from the muscles in your back Do not attempt to lift any object weights more then 16kg 35lb or object that you think too heavy for you Do not perform any action that causes hazards to the customer or that makes the equipment unsafe Before you start the machine ensure that other service representatives and the customer s personnel are not in a hazardous position Place removed covers and other parts in a safe place away from all personnel while you are servicing the machine Keep your tool box away from walk areas so that other people will not trip over it Do not wear loose clothing that can be trapped in the moving parts of a machine Make sure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip approximately 8 centimeters 3 inches from the end Do not wear jewelry chains metal frame eyeglasses or metal fasteners for you clothing Wear safety glasses when you are hammering drilling soldering cutting wire attaching springs using solvents or working in any other conditions that might be ha
43. zardous to your eyes After service reinstall all safety shields guards labels and ground wires Replace any safety device that is worn or defective Reinstall all covers correctly before returning the machine to the customer N Caution Metal objects are good electrical conductors 1 Service information Electrical safety Observe the following rules when working on electrical equipment Important Use only approved tools and test equipment Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents Many customers have near their equipment rubber floor mats that contain small conductive fibers to decrease electrostatic discharges Do not use this type of mat to protect yourself from electrical shock Find the room emergency power off switch disconnecting switch or electrical outlet If an electrical outlet If an electrical accident occurs you can then operate the switch or unplug the power cord quickly Do not work alone under hazardous conditions or near equipment that has hazardous voltages Disconnect all power before 1 Performing a mechanical inspection 2 Working near power supplies 3 Removing or installing main units Before you start to work on the machine unplug the power cord If you cannot unplug it ask the customer to power off the wall box that supplies power to the machine and to lock the wall box in the of
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