LG Electronics LW60, LW70 Ch1. Service information Safety information „ General safety

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Ch1. 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.Ensure you can stand safely without slipping.

2.Distribute the weight of the object equally between your feet.

3.Use a slow lifting force. Never move suddenly or twist when you attempt to lift.

4.Lift by standing or by pushing up with your leg muscles

(This action removes the strain from the muscles in your back.)

·Do not attempt to lift any object weights more then 16kg(35lb) or object that you think are too heavy for you.

·Do not perform any action that causes hazards to the customer, or that makes the equipment unsafe.

·Before you start the machine, ensure that other service representatives and the customer’s personnel are not in a hazardous position.

·Place removed covers and other parts in a safe place, away from all personnel, while you are servicing the machine.

·Keep your tool 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

8centimeters(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 hazardous to your eyes.

·After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defective.

·Reinstall all covers correctly before returning the machine to the customer.

Caution

Metal objects are good electrical conductors.

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Contents LW60/70 LG Electronics Page „ Strategy for replacing a hard-disk drive Ch1. Service informationCh1. 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 statement„ What to do first Ch1. Service information Read this firstFollowings are not covered under warranty „ Front view Ch2. LocationsCh2. Locations „ Front view „ Right view 15.4 Ch2. Locations „ Rear view 15.4„ Left view 15.4 Ch3. System information „ SpecificationSystem „ System Block Diagram GMPage53HUNTER-W Fn + Ch3. System information „ Fn key combinationsSystem 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 System Time 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 Then pull the HDD assembly out in the direction shown below Ch5. Removing and replacing a part Keyboard Ch5. Removing and replacing a part Ch5. Removing and replacing a part Bmdcmdc Modem Card 1SZZBA4019F Ch5. Removing and replacing a part Optical Disk DriveCh5. Removing and replacing a part Keyboard Deck Disconnect cable Disassemble the KBD Deck Assy Ch5. Removing and replacing a part Fan Assembly Ch5. Removing and replacing a part Wireless LAN Card Ch5. Removing and replacing a part Display Module Ch5. Removing and replacing a part 1SZZBA4097A Ch5. Removing and replacing a part Ch5. Removing and replacing a part Speaker Disconnect connector and remove Speaker Ch5. Removing and replacing a part Sub Board Ch5. Removing and replacing a part Main Board Remove Main Board 1SZZBA4080G Remove LCD Hook 1SZZBA4080F Ch5. Removing and replacing a part Remove LCD panel 1SZZBA4017A Ch5. Removing and replacing a part Remove Wlan Antenna Ch5. Removing and replacing a part Battery Pack Ch5. Removing and replacing a part Hard Disk Drive Ch5. Removing and replacing a part Ch5. Removing and replacing a part Keyboard Ch5. Removing and replacing a part Ch5. Removing and replacing a part Optical Disk Drive Ch5. Removing and replacing a part Wireless LAN Card Ch5. Removing and replacing a part Bmdcmdc Modem Card M2.0 X L3.0 Remove 7 screws FRU No Specification Qty Ch5. Removing and replacing a part Ch5. Removing and replacing a part Fan Assembly Ch5. Removing and replacing a part Display Module Ch5. Removing and replacing a part 1SZZBA4097A Ch5. Removing and replacing a part Ch5. Removing and replacing a part Speaker Disconnect connector and remove Speaker Ch5. Removing and replacing a part Sub Board Ch5. Removing and replacing a part Woofer Disconnect connector and remove Woofer Ch5. Removing and replacing a part Main Board 1SZZBZ4002B M2.5 X L6.0 Remove LCD Hook M2.0 X L3.0 1SZZBA4080G Remove LCD panel 1SZZBA4017A Ch5. Removing and replacing a part Remove Wlan Antenna Ch6. Part lists Part listsHWL18 400MHZ DDR2 Sdram with 32MX16 NMEM1 GIMMR00007A 100 101 102 103 104 105 HWL29 HWL12 HWL31 HWL11 HWL30 HWL10 HWL07 HWL27 HWL09 HWL22 HWL33 HWM20 HWM27 NRUB1 HWL32 HWM22 HWC08 HTM05 HWC07 HWM25 HWM24 HWM26 HTA04 HWM23 HWM31 HWM29 HWM30 HWM33 HWD02 HWM11HWM22 HWM06 HWM05 HWM23 HWM07 HWM04 HWC09 HTA07 HWM34 HWM08 HWM09 HWC04 NMEM1 HWC11 HWC13