2 Troubleshooting Procedures
2.1 Troubleshooting
2
2.1 Troubleshooting
Chapter 2 describes how to determine which Field Replaceable Unit (FRU) in the computer is
causing the computer to malfunction. (The “FRU” means the replaceable unit in the field.)
The FRUs covered are:
1. Power supply
7. Display
13. Sound
2. System Board
8. Optical Disk Drive
14. TV Tuner
3. USB FDD
9. Modem
15. Bridge Media slot
4. 2.5” HDD
10. LAN
16. PCI ExpressCard slot
5. Keyboard
11. Wireless LAN
6. Touch pad
12. Bluetooth
The Test Program operations are described in Chapter 3. Detailed replacement procedures are
described in Chapter 4.
NOTE:
After replacing the system board or CPU, it is necessary to execute the subtest 01
initial configuration of the 3.3 Setting of the hardware configuration in Chapter 3.
Also update with the latest BIOS as described in Appendix G “BIOS Rewrite
Procedures”
After replacing the LCD, update with the latest EC/KBC as described in Appendix
H “EC/KBC Rewrite Procedures” to set the SVP parameter.
The implement for the Diagnostics procedures is referred to Chapter 3. Also, following
implements are necessary:
1.
Phillips screwdrivers (For replacement procedures)
2.
Implements for debugging port check
Toshiba MS-DOS system FD
•
•
•
•
RS-232C cross cable
Test board with debug port test cable
PC for displaying debug port test result
QOSMIO G20 Maintenance Manual (960-511) [CONFIDENTIAL]
2-1
Содержание QOSMIO G20 Series
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Страница 11: ...Chapter 1 Hardware Overview CONFIDENTIAL ...
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Страница 38: ...1 9 AC Adapter 1 Hardware Overview 1 24 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 39: ...Chapter 2 Troubleshooting Procedures CONFIDENTIAL ...
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Страница 113: ...Chapter 3 Tests and Diagnostics CONFIDENTIAL ...
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Страница 237: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
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Страница 331: ...Appendices CONFIDENTIAL ...
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Страница 347: ...Appendix A Handling the LCD Module A 6 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 354: ...Appendix B Board Layout B 4 SD board QOSMIO G20 Maintenance Manual 960 511 CONFIDENTIAL B 7 ...
Страница 360: ...Appendix B Board Layout B 9 TV antenna board QOSMIO G20 Maintenance Manual 960 511 CONFIDENTIAL B 13 ...
Страница 408: ...E 2 United Kingdom UK Keyboard Appendix E Key Layout E 2 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 410: ...F 2 LAN loopback Connector Appendix F Wiring Diagrams F 2 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 412: ...Appendix G BIOS Rewrite Procedures G 2 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 416: ...Appendix I Reliability I 2 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...