vi
[CONFIDENTIAL]
QOSMIO G50 Maintenance Manual (960-683)
Table of Contents
Chapter 1
Hardware Overview
1.1 Features ...................................................................................................................... 1-1
1.2
System Block Diagram .............................................................................................. 1-7
1.3
2.5-inch Hard Disk Drive......................................................................................... 1-11
1.4 Optical
Drive............................................................................................................ 1-13
1.5 Keyboard.................................................................................................................. 1-17
1.6
TFT Color Display ................................................................................................... 1-18
1.7 Power
Supply ........................................................................................................... 1-20
1.8 Batteries ................................................................................................................... 1-22
1.9 AC
Adapter .............................................................................................................. 1-25
Chapter 2
Troubleshooting Procedures
2.1
Troubleshooting ......................................................................................................... 2-1
2.2
Troubleshooting Flowchart ........................................................................................ 2-3
2.3
Power Supply Troubleshooting.................................................................................. 2-8
2.4
System Board Troubleshooting................................................................................ 2-18
2.5
USB FDD Troubleshooting ..................................................................................... 2-39
2.6
2.5” HDD Troubleshooting...................................................................................... 2-43
2.7
Keyboard Troubleshooting ...................................................................................... 2-48
2.8
Touch pad Troubleshooting ..................................................................................... 2-50
2.9
Display Troubleshooting.......................................................................................... 2-52
2.10 Optical Disk Drive Troubleshooting........................................................................ 2-55
2.11 Modem Troubleshooting.......................................................................................... 2-56
2.12 LAN Troubleshooting .............................................................................................. 2-58
2.13
Wireless LAN Troubleshooting ............................................................................... 2-59
2.14 Bluetooth
Troubleshooting ...................................................................................... 2-62
2.15 Sound
Troubleshooting............................................................................................ 2-65
Содержание Qosmio G50 Series
Страница 10: ...x CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 1 Hardware Overview ...
Страница 44: ...1 Hardware Overview 1 9 AC Adapter 1 30 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 45: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Страница 46: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 2 ...
Страница 50: ...2 Troubleshooting Procedures 2 vi CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 121: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Страница 122: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 3 ...
Страница 126: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 208: ...3 Tests and Diagnostics 3 31 SETUP 3 82 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 222: ...3 Tests and Diagnostics 3 31 SETUP 3 96 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 223: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Страница 224: ...4 Replacement Procedures 4 ii CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 4 ...
Страница 230: ...4 Replacement Procedures 4 viii CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 350: ...4 Replacement Procedures 4 38 Fluorescent lamp 4 120 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 351: ... CONFIDENTIAL Appendices ...
Страница 352: ...Appendices App ii CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 366: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 438: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 440: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 442: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 444: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 446: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...