Manuals / LG Electronics / Computer Equipment / Laptop

LG Electronics LM50 MKL27 MKL29 MKL22 MKL23 MKL31 MKL15 MKL28 Case LCD, Location, Lg P/N, Remarks

Models: LM50

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Case : LCD 14.1"

Case : LCD 14.1"

MKL27

MKL29

MKL22

MKL23

MKL31

MKL15 MKL28

Case : LCD 14.1"

Location	LG P/N	SPECIFICATION	REMARKS
MKL15	3858BZ3019A	INSULATOR, INVERTER 14.1"/15.0"

MKL22	3680BM3036A	LENS, WIRELESS REAR 14.1"

MKL23	3550BM1149B	DECORATION COVER, 14.1" FOR EXPORT

MKL27	3858BZ3020A	INSULATOR, LED 14.1"

MKL28	3110BD0008B	REAR CASE, 14.1" FOR EXPORT

MKL28	3110BD0008D	MCKINLEY MG DISPLAY REAR 14.1" FOR MC REFRESH	For refresh model

MKL29	6871BZT16ZA	CABLE FPC, WIRELESS INDICATOR 14.1"

MKL31	3858BZ4450B	MCKINLEY N N N MCKINLEY BADGE FOR EXPORT LG	For refresh model

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LG Electronics LM50 MKL27 MKL29 MKL22 MKL23 MKL31 MKL15 MKL28 Case LCD, Location, Lg P/N, Specification, Remarks

Contents

LM40/50 LG Electronics Service ManualCh 1. Service information Ch 2. Locations Ch 3. System information Contents· Specification · Model configuration · System Block Diagram · Fn key combinations · Status indicators · BIOS Flash · BIOS SetupCh1. Service information Chapter 1. Service information1-1. Important 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 · Do not use worn or broken tools and testers Ch1. Service informationCh1. Service information „ Safety inspection guide „ Grounding requirements „ Handling devices that are sensitive to electrostatic dischargeCh1. Service information · When handling ESD-sensitive parts1-5. Backup Standby RTC battery safety information Ch1. Service information 1-4. Laser compliance statementDanger „ What to do first Ch1. Service information 1-6. Read this firstImportant Notes Ch1. Service information The followings are not covered under warrantyCh2. Locations Chapter 2. Locations„ Front view 15” „ Front view 14.1”„ Left view 15”/14.1” Ch2. Locations „ Rear view 15”/14.1”„ Right view 15”/14.1” Security key hole Kensington LockChapter 3. System information „ SpecificationCh3. System information Ch3. System information „ Model Configuration Ch3. System information „ System Block Diagram Ch3. System information „ Fn key combinations 14.1”15” a. AC Power Ch3. System information „ Status indicatorsb. Battery c. PowerCh3. System information „ BIOS Flash Ch3. System information „ How to update flash ROM in Windows Ch3. System information 9. After the restart, make sure the system BIOS is updatedCh3. System information „ BIOS Setup Main, Advanced, Security, Boot, Exit Ch3. System information „ Default screenCh3. System information „ Using the keys Ch3. System information „ Main Menu · BIOS Version / KBC Version / UUID Number· System Time · System Date· Legacy USB Support Ch3. System information „ Advanced Menu· TouchPad Support · Internal Keypad· Parallel Port · Boot-time Diagnostic Screen· Parallel port modes Ch3. System information· Set Supervisor Password · Setting a passwordCh3. System information „ Security Menu Ch3. System information Power on BootCh3. System information · Set User PasswordCh3. System information e. Press F10 to save the new settingsd. If the following message appears, press Enter Ch3. System information · Password on bootCh3. System information Ch3. System information · Set HDD PasswordCh3. System information e. Press F10 to save the new settingsd. If the following message appears, press Enter Ch3. System information · Changing or removing a password· CD-ROM Drive Ch3. System information „ Boot Menu· Removable Devices · Hard DriveCh3. System information „ Exit Menu · Load Setup Defaults· Exit Saving Changes · Exit Discarding Changes· Save Changes · Discard ChangesCh3. System information Ch4. Symptom-to-part index Chapter 4. Symptom-to-part index„ Power system checkout · If the voltage is not correct, replace the AC adapter Ch4. Symptom-to-part index· The Characteristics of the battery pack 1. Self-discharge Ch4. Symptom-to-part index+0V ~ +12.6V Ch4. Symptom-to-part index5+ 4 3 2 Symptom / Error Ch4. Symptom-to-part index „ Numeric error codesFRU or action, in sequence Symptom / Error Ch4. Symptom-to-part indexFRU or action, in sequence Symptom / Error Ch4. Symptom-to-part indexFRU or action, in sequence Symptom / Error Ch4. Symptom-to-part index „ Error messageFRU or action, in sequence Symptom / Error Ch4. Symptom-to-part index „ LCD-related symptomsFRU or action, in sequence Ch4. Symptom-to-part index „ Indeterminate problems Ch5. Removing and replacing a part Chapter 5. Removing and replacing a part FRUDanger Ch5. Removing and replacing a part „ 1010 Battery Pack Remove the following parts in order before replacing this part Ch5. Removing and replacing a part „ 1020 Hard Disk DriveRemove the following parts in order before replacing this part Ch5. Removing and replacing a part „ 1030 RetainerCh5. Removing and replacing a part Ch5. Removing and replacing a part 3. Disconnect the keyboard connectora. Battery Pack1010 b. Keyboard1030 Ch5. Removing and replacing a part „ 1040 RetainerRemove the following parts in order before replacing this part Remove the following parts in order before replacing this part Ch5. Removing and replacing a part „ 1050 Fan AssemblyCh5. Removing and replacing a part Ch5. Removing and replacing a part „ 1060-1 Optical Disk Drive 15” ModelRemove the following parts in order before replacing this part Ch5. Removing and replacing a part „ 1060-2 Optical Disk Drive 14.1” ModelRemove the following parts in order before replacing this part Remove the following parts in order before replacing this part Ch5. Removing and replacing a part „ 1070 Wireless LAN CardRemove the following parts in order before replacing this part Ch5. Removing and replacing a part „ 1080 MDC Modem CardRemove the following parts in order before replacing this part Ch5. Removing and replacing a part „ 1090 Display ModuleCh5. Removing and replacing a part Specification2. Remove two hinge cover screws FRU NoCh5. Removing and replacing a part Specification4. Remove two hinge screws FRU No4. Remove the LCD cable Ch5. Removing and replacing a partCh5. Removing and replacing a part Display Module disassembly in detail7. Hold the LCD with your both hands, and pull it up to remove Screw Type Ch5. Removing and replacing a part „ 1100 Keyboard DeckRemove the following parts in order before replacing this part Screw Type Ch5. Removing and replacing a part 14.1”Screw Type Ch5. Removing and replacing a part Specification2. Open the I/O port cover and remove two screws FRU NoCh5. Removing and replacing a part Specification3. Remove 3 screws FRU NoCh5. Removing and replacing a part Ch5. Removing and replacing a part Remove the following parts in order before replacing this part Ch5. Removing and replacing a part „ 1110 Main BoardCh5. Removing and replacing a part 3. Remove the RTC battery connector from Main Board2. Remove the PCMCIA board Ch5. Removing and replacing a part 4. Remove the S-Video connector 5. Remove the LAN S/B connectorSpecification 6. Remove the power cable 7. Remove 4M/B screwsCh5. Removing and replacing a part FRU No8. Hold M/B with your both hand and pull it up to remove Ch5. Removing and replacing a partRemove the following parts in order before replacing this part Ch5. Removing and replacing a part „ 1120 Battery Frame AssemblyCh5. Removing and replacing a part Remove the following parts in order before replacing this part Ch5. Removing and replacing a part „ 1130 S-Video Sub-BoardRemove the following parts in order before replacing this part Ch5. Removing and replacing a part „ 1140 Display ModuleCh5. 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 panel Ch5. Removing and replacing a partCh6. Part lists 2004. 4. 28. MKB21 Chapter 6. Part listsTaiwan Ch6. Part listsCh6. Part lists Ch6. Part lists Portugal,Spain Ch6. Part listsGermany,Iran Ch6. Part lists Ch6. Part lists 3301BZ9092A Ch6. Part listsSPECIFICATION MKL27 MKL29 MKL22 MKL23 MKL31 MKL15 MKL28 Case LCDCase LCD LocationSPECIFICATION MKL12 MKM23 MKL17 MKL31 MKL15 MKL14Case LCD Case LCDMKL2414.1 MKM22 MKM22 MKL16 MKL06 MKL05 MKL04 MKM23 MKL18 MKM23 MKL13 MKM23MKL2014.1 MKL0215.0Location SPECIFICATIONLG P/N REMARKSMKM22 MKL07 MKL07MKL07 MKL08MKB01 MKC05 MKC04 MKM32 MKM38MKM19 MKC04Location SPECIFICATIONLG P/N REMARKSMKH02 MKM27 MKM27 MKH03 MKM2314 MKM3215 MKM12 MKM29 MKC07 MKC10 MKS05 MKM19 MKM17 MKM18 MKH04MKM38 MKC02 15 ODD I/F MKM16Location SPECIFICATIONLG P/N REMARKSGASKET ON MINI-PCI ANTENNA CONNECTOR SPECIFICATIONLocation LG P/NMKM31 MKM32 MKM33 ODD MKD01 MKM39 MKD03 MKD04 Location SPECIFICATIONLG P/N REMARKSMKM0615.0 MKM0714.1 MKM32 MKM09 MKM30 MKM10 MKM11 MKC08 MKM32 MKM08 MKM30Location SPECIFICATIONLG P/N REMARKSLocation SPECIFICATIONLG P/N REMARKSMKM05 MKC06 MKM30 MKM33MKM33 MKM30 MKM28 MKM33 MKC01 MKM33 MKM34 MKM19 MKC11 MKC13Location SPECIFICATIONLG P/N REMARKSLocation SPECIFICATIONLG P/N COVER, ASSY DDR MEMORY