LG Electronics LS70 Ch1. Service information Read this first, „ What to do first, Important Notes

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Ch1. 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.

·Consider 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.

„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 :

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Contents LS70 LG Electronics Page „ Strategy for replacing a hard-disk drive Ch1. Service informationBefore replacing parts Ch1. Service information Safety notices Ch1. Service information Safety information „ General safety Ch1. Service information „ Electrical safety Ch1. Service information Ch1. Service information „ Safety inspection guide „ Grounding requirements Backup Standby RTC battery safety information Ch1. Service information Laser compliance statementImportant Notes Ch1. Service information Read this first„ What to do first Followings are not covered under warranty „ Front view Ch2. LocationsSecurity key hole Kensington Lock Ch2. Locations „ Rear view„ Left view „ Right viewCh3. System information „ SpecificationCh3. System information „ System Block Diagram Ch3. System information „ Fn key combinations System status indicators show the status of the computer Ch3. System information „ Status indicatorsCh3. System information „ Bios Flash Ch3. System information „ How to update flash ROM in Windows Ch3. System information Ch3. System information „ Bios Setup Ch3. System information „ Using the keys Ch3. System information „ Main menu „ Security menu Ch3. System information „ Advanced menu„ Exit menu Ch3. System information „ Boot menu„ Power system checkout Ch4. Symptom-to-part indexCh4. Symptom-to-part index Ch4. Symptom-to-part index Terminal Voltage V dc Ground Symptom / Error FRU or action, in sequence Ch4. Symptom-to-part index „ Numeric error codesDMA test failed System board 02F6 02F7 Ch4. Symptom-to-part index „ Error message Ch4. Symptom-to-part index „ LCD-related symptoms Ch4. Symptom-to-part index „ Indeterminate problems Ch5. Removing and replacing a part Removing and replacing a part FRUCh5. Removing and replacing a part Battery Pack Ch5. Removing and replacing a part Hard Disk Drive Ch5. Removing and replacing a part Wireless LAN Card 1SZZBA4097A Ch5. Removing and replacing a part KeyboardDisconnect Keyboard Connector and remove Keyboard Ch5. Removing and replacing a part Retainer Disconnect Retainer Connector and remove Retainer Ch5. Removing and replacing a part Keyboard Plate Ch5. Removing and replacing a part FAN Assembly Ch5. Removing and replacing a part Hinge Cover Ch5. Removing and replacing a part Display Module Remove Display Module Ch5. Removing and replacing a part 110 0 Key Deck 1SZZBZ4014A Ch5. Removing and replacing a part Optical Disk Drive Ch5. Removing and replacing a part Audio Board Ch5. Removing and replacing a part HDD Cover Block L Ch5. Removing and replacing a part Hinge Frame L Ch5. Removing and replacing a part Main Board Ch5. Removing and replacing a part Ch5. Removing and replacing a part Ch5. Removing and replacing a part Video Board 1SZZBA4080F Ch5. Removing and replacing a part 1SZZBZ3002W Ch5. Removing and replacing a part 1SZZBA4017A Ch6. Part lists Part lists400MHZ DDR2 Sdram with 32MX16 NMEM1 Common Bezel for Bran NB-PC HTA05 HFC07 Oversea EXPORT, Slim Type HFC11 HFD03 HFM20 HUNTER-FULL 15 Inch Cover Rear Assy Exploded ViewExploded View DAC-08B072 Delta Inverter KUBNKM095A Alps InverterDAC-08B073 Delta HUNTER-TL 15 Inch OZ1060S KUBNKM094A Alps InverterExploded View PLATE, Display Rear Hunter 150 Full ISP Style B WVAISP Style B WVA P3 Plant WVA ISP Style BCase Assy, Front Exploded View 32MX64 533MHZ DDR2 Sdram with 32MX16 HYS64T32000HDL-5-A Infineon 200P Sodimm BKDDR2 Sdram with 32MX16 64MX64 400MHZ DDR2 Sdram with 32MX16HUNTER-FULL 15 Inch Hinge Frame Assy Right RH80536GE0362M LG Intel 478P Ufcpga Tray NT CPU PENTIUM-MN HUNTER-FULL 15 Inch Bottom Case Assy 150F HUNTER-FULL 15 Inch MG Hinge ,FRAME LeftExploded View MHT2060AT PL Fujitsu 60GB Eide Inner ZEBRA/MCKINLEY/K2 HUNTER-WIDE 15.4 Inch HDD SUS 17.1W, 15FMHT2040AT PL Fujitsu 40GB Eide Inner ZEBRA/MACKINLEY/K2 HTS424040M9AT00 Hgst 40GB Eide Inner Mckinly 4200RPMHUNTER-WIDE 15.4 Inch Pcabs HDD Block FAN AssemblyExploded View POP Label LS70 PM IPS for Domestic HUNTER-FULL 15 Inch KBD Deck Total AssyHUNTER-FULL Plate KBD Assy Centrino Label NT 252352-002 IntelHUNTER-WIDE 15.4 Inch Pcabs KBD Deck BUTTON, Touchpad HUNTER-FULL 15 Inch Speaker Total AssyExploded View Russian Hunter F OKI 86KEY HUNTER-F LG-IBM OKI Korea KEYHUNTER-F LG-IBM OKI English KEY Taiwan Hunter F OKI 87KEYExploded View 4800MAH 3S-2P LGC LI-ION Cylinderical HUNTER-ALL Cell LGC SP-502B+H05VV-F+IS-034 I-SHENG SAA 1830MM 3PIN CONN. Black PF8B1CIJ10A-060 Longwell Gost 1830MM 3PIN CONN. BlackSP-022+IS-034+H05VV-F3G I-SHENG Gost 1800MM 3P CONN. Black PL8B1S3J10A-060 Longwell SAA 1830MM 3PIN Conn BlackID Label Hunter 15T China from Lgeks ID Label Hunter 15T Lgeks Made in ChinaID Label Hunter 15T China from Lgept Exploded View Screw M2.5 * L8.0 hinge