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LG Electronics LM50 Contents, Ch 1. Service information Ch 2. Locations Ch 3. System information

Models: LM50

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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

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LG Electronics LM50 service manual Contents, Ch 1. Service information Ch 2. Locations Ch 3. System information

Contents

Service Manual LM40/50 LG Electronics· Specification · Model configuration · System Block Diagram ContentsCh 1. Service information Ch 2. Locations Ch 3. System information · Fn key combinations · Status indicators · BIOS Flash · BIOS Setup1-1. Important service information Chapter 1. Service informationCh1. Service information „ Strategy for replacing parts FRU-Field Replaceable UnitsCh1. Service information 1-2. Safety notices Ch1. Service information 1-3. Safety information „ General safety Ch1. Service information „ Electrical safety Ch1. Service information · Do not use worn or broken tools and testersCh1. Service information „ Safety inspection guide Ch1. Service information „ Handling devices that are sensitive to electrostatic discharge„ Grounding requirements · When handling ESD-sensitive partsDanger Ch1. Service information 1-4. Laser compliance statement1-5. Backup Standby RTC battery safety information Important Notes Ch1. Service information 1-6. Read this first„ What to do first The followings are not covered under warranty Ch1. Service information„ Front view 15” Chapter 2. LocationsCh2. Locations „ Front view 14.1”„ Right view 15”/14.1” Ch2. Locations „ Rear view 15”/14.1”„ Left view 15”/14.1” Security key hole Kensington LockCh3. System information „ SpecificationChapter 3. System information Ch3. System information „ Model Configuration Ch3. System information „ System Block Diagram Ch3. System information „ Fn key combinations b. Battery Ch3. System information „ Status indicators14.1”15” a. AC Power c. PowerCh3. System information „ BIOS Flash Ch3. System information „ How to update flash ROM in Windows 9. After the restart, make sure the system BIOS is updated Ch3. System informationCh3. System information „ BIOS Setup Ch3. System information „ Default screen Main, Advanced, Security, Boot, ExitCh3. System information „ Using the keys · System Time · BIOS Version / KBC Version / UUID NumberCh3. System information „ Main Menu · System Date· TouchPad Support Ch3. System information „ Advanced Menu· Legacy USB Support · Internal Keypad· Parallel port modes · Boot-time Diagnostic Screen· Parallel Port Ch3. System informationCh3. System information „ Security Menu · Setting a password· Set Supervisor Password Power on Boot Ch3. System information· Set User Password Ch3. System informationd. If the following message appears, press Enter e. Press F10 to save the new settingsCh3. System information · Password on boot Ch3. System informationCh3. System information · Set HDD Password Ch3. System informationd. If the following message appears, press Enter e. Press F10 to save the new settingsCh3. System information · Changing or removing a password Ch3. System information· Removable Devices Ch3. System information „ Boot Menu· CD-ROM Drive · Hard Drive· Exit Saving Changes · Load Setup DefaultsCh3. System information „ Exit Menu · Exit Discarding ChangesCh3. System information · Discard Changes· Save Changes „ Power system checkout Chapter 4. Symptom-to-part indexCh4. Symptom-to-part index Ch4. Symptom-to-part index · If the voltage is not correct, replace the AC adapterCh4. Symptom-to-part index · The Characteristics of the battery pack 1. Self-discharge5+ 4 3 2 Ch4. Symptom-to-part index+0V ~ +12.6V FRU or action, in sequence Ch4. Symptom-to-part index „ Numeric error codesSymptom / Error FRU or action, in sequence Ch4. Symptom-to-part indexSymptom / Error FRU or action, in sequence Ch4. Symptom-to-part indexSymptom / Error FRU or action, in sequence Ch4. Symptom-to-part index „ Error messageSymptom / Error FRU or action, in sequence Ch4. Symptom-to-part index „ LCD-related symptomsSymptom / Error Ch4. Symptom-to-part index „ Indeterminate problems Danger Chapter 5. Removing and replacing a part FRUCh5. Removing and replacing a part Ch5. Removing and replacing a part „ 1010 Battery Pack Ch5. Removing and replacing a part „ 1020 Hard Disk Drive Remove the following parts in order before replacing this partCh5. Removing and replacing a part „ 1030 Retainer Remove the following parts in order before replacing this partCh5. Removing and replacing a part 3. Disconnect the keyboard connector Ch5. Removing and replacing a partRemove the following parts in order before replacing this part Ch5. Removing and replacing a part „ 1040 Retainera. Battery Pack1010 b. Keyboard1030 Ch5. Removing and replacing a part „ 1050 Fan Assembly Remove the following parts in order before replacing this partCh5. Removing and replacing a part Remove the following parts in order before replacing this part „ 1060-1 Optical Disk Drive 15” ModelCh5. Removing and replacing a part Remove the following parts in order before replacing this part „ 1060-2 Optical Disk Drive 14.1” ModelCh5. Removing and replacing a part Ch5. Removing and replacing a part „ 1070 Wireless LAN Card Remove the following parts in order before replacing this partCh5. Removing and replacing a part „ 1080 MDC Modem Card Remove the following parts in order before replacing this partCh5. Removing and replacing a part „ 1090 Display Module Remove the following parts in order before replacing this part2. Remove two hinge cover screws SpecificationCh5. Removing and replacing a part FRU No4. Remove two hinge screws SpecificationCh5. Removing and replacing a part FRU NoCh5. Removing and replacing a part 4. Remove the LCD cable7. Hold the LCD with your both hands, and pull it up to remove Display Module disassembly in detailCh5. Removing and replacing a part Remove the following parts in order before replacing this part Ch5. Removing and replacing a part „ 1100 Keyboard DeckScrew Type Screw Type Ch5. Removing and replacing a part 14.1”Screw Type 2. Open the I/O port cover and remove two screws SpecificationCh5. Removing and replacing a part FRU No3. Remove 3 screws SpecificationCh5. Removing and replacing a part FRU NoCh5. Removing and replacing a part Ch5. Removing and replacing a part Ch5. Removing and replacing a part „ 1110 Main Board Remove the following parts in order before replacing this part2. Remove the PCMCIA board 3. Remove the RTC battery connector from Main BoardCh5. Removing and replacing a part 4. Remove the S-Video connector 5. Remove the LAN S/B connector Ch5. Removing and replacing a partCh5. Removing and replacing a part 6. Remove the power cable 7. Remove 4M/B screwsSpecification FRU NoCh5. Removing and replacing a part 8. Hold M/B with your both hand and pull it up to removeCh5. Removing and replacing a part „ 1120 Battery Frame Assembly Remove the following parts in order before replacing this partCh5. Removing and replacing a part Ch5. Removing and replacing a part „ 1130 S-Video Sub-Board Remove the following parts in order before replacing this partCh5. Removing and replacing a part „ 1140 Display Module Remove the following parts in order before replacing this partCh5. Removing and replacing a part Ch5. Removing and replacing a part Ch5. Removing and replacing a part Ch5. Removing and replacing a part Ch5. Removing and replacing a part 6. Remove LCD from the LCD rear panelChapter 6. Part lists Ch6. Part lists 2004. 4. 28. MKB21Ch6. Part lists TaiwanCh6. Part lists Ch6. Part lists Germany,Iran Ch6. Part listsPortugal,Spain Ch6. Part lists Ch6. Part lists Ch6. Part lists 3301BZ9092ACase LCD MKL27 MKL29 MKL22 MKL23 MKL31 MKL15 MKL28 Case LCDSPECIFICATION LocationCase LCD MKL12 MKM23 MKL17 MKL31 MKL15 MKL14SPECIFICATION Case LCDMKL2014.1 MKM22 MKM22 MKL16 MKL06 MKL05 MKL04 MKM23 MKL18 MKM23 MKL13 MKM23MKL2414.1 MKL0215.0LG P/N SPECIFICATIONLocation REMARKSMKL07 MKL07 MKL07MKM22 MKL08MKM19 MKM32 MKM38MKB01 MKC05 MKC04 MKC04LG P/N SPECIFICATIONLocation REMARKSMKM38 MKM2314 MKM3215 MKM12 MKM29 MKC07 MKC10 MKS05 MKM19 MKM17 MKM18 MKH04MKH02 MKM27 MKM27 MKH03 MKC02 15 ODD I/F MKM16LG P/N SPECIFICATIONLocation REMARKSLocation SPECIFICATIONGASKET ON MINI-PCI ANTENNA CONNECTOR LG P/NMKM31 MKM32 MKM33 ODD MKD01 MKM39 MKD03 MKD04 LG P/N SPECIFICATIONLocation REMARKSMKC08 MKM32 MKM08 MKM30 MKM0615.0 MKM0714.1 MKM32 MKM09 MKM30 MKM10 MKM11LG P/N SPECIFICATIONLocation REMARKSLG P/N SPECIFICATIONLocation REMARKSMKM33 MKM30 MKM28 MKM33 MKC01 MKM33 MKM34 MKM19 MKM30 MKM33MKM05 MKC06 MKC11 MKC13LG P/N SPECIFICATIONLocation REMARKSLG P/N SPECIFICATIONLocation COVER, ASSY DDR MEMORY