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LG Electronics LM50 service manual LM40/50 LG Electronics

Models: LM50

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Specs Before replacing parts Password · Load Setup Defaults Ch4. Symptom-to-part index · Boot-time Diagnostic Screen Power on Boot

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Service Manual

(LM40/50)

LG Electronics

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LG Electronics LM50 service manual LM40/50 LG Electronics

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Contents

LM40/50 LG Electronics Page Before replacing parts Ch1. Service information„ Strategy for replacing a hard-disk drive 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 statement „ What to do first Ch1. Service information Read this firstImportant Notes Followings are not covered under warranty „ Front view Ch2. Locations „ Left view 15/14.1 Ch2. Locations „ Rear view 15/14.1„ Right view 15/14.1 Security key hole Kensington Lock Ch3. System information „ Specification Ch3. System information „ Model Configuration Ch3. System information „ System Block Diagram Ch3. System information „ Fn key combinations Ch3. System information „ Status indicators Ch3. System information „ Bios Flash Ch3. System information „ How to update flash ROM in Windows Ch3. System information Ch3. System information „ Bios Setup Main, Advanced, Security, Boot, Exit Ch3. System information „ Default screen Ch3. System information „ Using the keys Ch3. System information „ Main Menu · Legacy USB Support Ch3. System information „ Advanced Menu· TouchPad Support · Internal Keypad · Parallel Port · Boot-time Diagnostic Screen· Parallel port modes · Set Supervisor Password · Setting a passwordCh3. System information „ Security Menu Power on Boot · Set User Password Ch3. System information · Password on boot Ch3. System information · Set HDD Password Ch3. System information · Changing or removing a password · CD-ROM Drive Ch3. System information „ Boot Menu· Removable Devices · Hard Drive Ch3. System information „ Exit Menu · Load Setup Defaults· Exit Saving Changes · Exit Discarding Changes · Save Changes · Discard Changes „ Power system checkout Ch4. Symptom-to-part index Ch4. 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 codes DMA 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 FRU Ch5. Removing and replacing a part „ 1010 Battery Pack Ch5. Removing and replacing a part „ 1020 Hard Disk Drive Ch5. Removing and replacing a part „ 1030 Retainer Ch5. Removing and replacing a part Disconnect the keyboard connector Ch5. Removing and replacing a part „ 1040 Retainer Ch5. Removing and replacing a part „ 1050 Fan Assembly Ch5. Removing and replacing a part 1SZZBZ4014A 1SZZBZ4014A Ch5. Removing and replacing a part „ 1070 Wireless LAN Card Ch5. Removing and replacing a part „ 1080 MDC Modem Card Ch5. Removing and replacing a part „ 1090 Display Module Remove two hinge cover screws FRU No Specification Qty Ch5. Removing and replacing a part Ch5. Removing and replacing a part Ch5. Removing and replacing a part Ch5. Removing and replacing a part „ 1100 Keyboard Deck Ch5. Removing and replacing a part 14.1 Ch5. Removing and replacing a part 1SZZBZ4018B Ch5. Removing and replacing a part Ch5. Removing and replacing a part Ch5. Removing and replacing a part „ 1110 Main Board Ch5. Removing and replacing a part Remove the S-Video connector Remove the LAN S/B connector 1SZZBA4014A Hold M/B with your both hand and pull it up to remove 1SZZBA4017B Ch5. Removing and replacing a part Ch5. Removing and replacing a part „ 1130 S-Video Sub-Board Ch5. Removing and replacing a part „ 1140 Display Module Ch5. Removing and replacing a part Ch5. Removing and replacing a part 1SZZBA4041A Ch5. Removing and replacing a part Remove LCD from the LCD rear panel Ch6. Part lists MKB21 Part lists Ch6. Part lists LG P/N Specification Remarks MKC08 Mckinley N Sunrex Czech LM Refresh Mckinley N OKI Thailand LM Refresh LG P/N Specification Remarks MKC13 LG P/N Specification Remarks MKS01 LG P/N Specification Remarks MKM08 Case LCD Case LCD MKM22 MKL16 MKL06 MKL05 MKL04 TFT LCD, LG Philips LP150E06-A2 15.0 Inch SXGA+ 100 101 Type Intel 4 Layers 1-14 Network Connection 102 103 104 Thermal PAD 11X11 MM on Northbridge 105 106 107 108 109 Mckinley N OKI Hungary LM Refresh 110 111 MEMORY, Hynix HYMD232M646C6-J Sodimm 256MB DDR 333MHZ 112 113 LG P/N Specification

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