2 Troubleshooting Procedures
PORTEGE R400 Maintenance Manual (960-623) [CONFIDENTIAL]
2-1
2.1 Troubleshooting
Chapter 2 describes how to determine if a Field Replaceable Unit (FRU) in the computer is
causing the computer to malfunction. The FRUs covered are:
1. Power Supply
8. Bluetooth
2. System Board
9. Wireless LAN
3. USB Floppy Disk Drive
10. 3G
4. 1.8-inch Hard Disk Drive
11. Tablet pen
5. Keyboard/Touch pad
12. Sound components
6. Display
13. Fingerprint sensor
7. LAN
The Test Program operations are described in Chapter 3. Detailed replacement procedures
are described in Chapter 4.
NOTE:
Before replacing the system board, it is necessary to execute the subtest 03 DMI
Information save of the 3.3 Setting of the hardware configuration in Chapter 3.
After replacing the system board, it is necessary to execute the subtest 04 DMI
Information recovery and subtest 08 System configuration display of the 3.3
Setting of the hardware configuration in Chapter 3.
Also update with the latest EC/KBC as described in Appendix H “EC/KBC
Rewrite Procedures”.
The implement for the Diagnostics procedures is referred to Chapter 3. Also, following
implements are necessary:
1.
Phillips screwdrivers (For replacement procedures, Refer to Chapter 4)
2.
Implements for debugging port check
•
•
•
•
Toshiba DOS system FD
RS-232C cross cable
Test board with debug port test cable
PC for displaying debug port test result
Содержание Portege R400 Series
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Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
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Страница 35: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
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Страница 107: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
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Страница 214: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
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Страница 294: ... CONFIDENTIAL Appendices ...
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Страница 309: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 321: ...Appendices Appendix B Board Layout B 12 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 359: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 363: ...Appendices Appendix F Wiring diagrams F 4 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 365: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 367: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 369: ...Appendices Appendix I Reliability 2 CONFIDENTIAL PORTEGE R4000 Maintenance Manual 960 623 ...