Manuals / LG Electronics / Computer Equipment / Laptop

LG Electronics LS70 service manual „ System Block Diagram, Ch3. System information

Models: LS70

1 94

Download 94 pages 13.87 Kb

Page 16

System Block Diagram

Ch3. System information

System Block Diagram

15

Image 16

LG Electronics LS70 service manual „ System Block Diagram, Ch3. System information

Contents

Service Manual LS70 LG ElectronicsContents 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 SetupChapter 1. Service information Ch1. 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 Ch1. Service information · Do not use worn or broken tools and testersCh1. Service information „ Safety inspection guide „ Handling devices that are sensitive to electrostatic discharge „ Grounding requirementsCh1. 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 Ch2. Locations „ Rear view „ Left view„ Right view Security key hole Kensington LockChapter 3. System information „ SpecificationCh3. System information „ System Block Diagram Ch3. System informationCh3. System information „ Fn key combinations Ch3. System information „ Status indicators 3. Wireless activity indicator4. AC Power 5. 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 „ Using the keys Ch3. System information „ Main menu Ch3. System information „ Advanced menu „ Security menuCh3. System information „ Boot menu „ Exit menuLoad Setup Defaults CD-ROM Drive Removable Devices Hard Drive B2 D0 Yukon PXECh4. Symptom-to-part index Chapter 4. Symptom-to-part index„ Power system checkout 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-dischargeCh4. Symptom-to-part index · To check the battery pack, do the followingSymptom / 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 Chapter 5. Removing and replacing a part FRU Ch5. Removing and replacing a partCh5. 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 Wireless LAN Card Remove the following parts in order before replacing this partCh5. Removing and replacing a part 1040 Keyboard Remove the following parts in order before replacing this part3. Disconnect Keyboard Connector and remove Keyboard Ch5. Removing and replacing a partCh5. Removing and replacing a part 1050 Retainer Remove the following parts in order before replacing this part3. Disconnect Retainer Connector and remove Retainer Ch5. Removing and replacing a partCh5. Removing and replacing a part 1060 Keyboard Plate Remove the following parts in order before replacing this partCh5. Removing and replacing a part 1070 FAN Assembly Remove the following parts in order before replacing this partCh5. Removing and replacing a part 1080 Hinge Cover 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 partCh5. Removing and replacing a part 3. Remove Display ModuleCh5. Removing and replacing a part 110 0 Key Deck Remove the following parts in order before replacing this partSpecification Ch5. Removing and replacing a partFRU No 1SZZBZ4014ACh5. Removing and replacing a part 1110 Optical Disk Drive Remove the following parts in order before replacing this partCh5. Removing and replacing a part 1120 Audio Board Remove the following parts in order before replacing this partCh5. Removing and replacing a part 1130 HDD Cover Block L Remove the following parts in order before replacing this partCh5. Removing and replacing a part 1140 Hinge Frame L Remove the following parts in order before replacing this partCh5. Removing and replacing a part 1150 Main Board 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 1150 S-Video Board Remove the following parts in order before replacing this partCh5. Removing and replacing a part 1100 Display Module Remove the following parts in order before replacing this partCh5. Removing and replacing a part Specification Ch5. Removing and replacing a part3. Remove 5 screws and disconnect Inverter Cable FRU NoCh5. Removing and replacing a part Specification Ch5. Removing and replacing a part5. Remove 6 screws. Remove LCD from the LCD rear panel FRU NoChapter 6. Part lists Ch6. Part listsCh6. Part lists Ch6. Part lists Ch6. Part lists Ch6. Part lists 3111B0TS19ACh6. Part lists 3111B0TS18ACh6. Part lists 3850BZ9A87B15.0 EXPLODED VIEW SPECIFICATIONLocation LG P/N15.0 EXPLODED VIEW SPECIFICATION 15.0 EXPLODED VIEWLocation LG P/N15.0 EXPLODED VIEW SPECIFICATION 15.0 EXPLODED VIEWLocation LG P/NSPECIFICATION 15.0 EXPLODED VIEWLocation LG P/N15.0 EXPLODED VIEW SPECIFICATION 15.0 EXPLODED VIEWLocation LG P/NSPECIFICATION 15.0 EXPLODED VIEWLocation LG P/N15.0 EXPLODED VIEW SPECIFICATION 15.0 EXPLODED VIEWLocation LG P/NSPECIFICATION 15.0 EXPLODED VIEWLocation LG P/N15.0 EXPLODED VIEW SPECIFICATION 15.0 EXPLODED VIEWLocation LG P/NSPECIFICATION 15.0 EXPLODED VIEWLocation LG P/N15.0 EXPLODED VIEW SPECIFICATION 15.0 EXPLODED VIEWLocation LG P/N15.0 EXPLODED VIEW SPECIFICATION 15.0 EXPLODED VIEWLocation LG P/NSPECIFICATION 15.0 EXPLODED VIEWLocation LG P/NSPECIFICATION 15.0 EXPLODED VIEWLocation LG P/N15.0 EXPLODED VIEW SPECIFICATION 15.0 EXPLODED VIEWLocation LG P/N