2.1 Troubleshooting
2 Troubleshooting Procedures
TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573)
[CONFIDENTIAL]
2-1
2
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
6. Display
11. Wireless LAN
2. System Board
7. Optical Drive
12. Sound components
3. USB Floppy Disk Drive 8. Modem
13. SD card Slot
4. Hard Disk Drive
9. LAN
14. Fingerprint sensor
5.
Keyboard/Touch
pad
10.
Bluetooth
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
Summary of Contents for Satellite Pro A120
Page 10: ...x CONFIDENTIAL TECRA A8 Satellite Pro A120 Maintenance Manual 960 573 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii CONFIDENTIAL TECRA A8 Satellite Pro A120 Maintenance Manual 960 573 ...
Page 45: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 129: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 241: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
Page 337: ... CONFIDENTIAL Appendices ...
Page 338: ...Appendices App ii CONFIDENTIAL TECRA A8 Satellite Pro A120 Maintenance Manual 960 573 ...
Page 346: ...Appendices App x CONFIDENTIAL TECRA A8 Satellite Pro A120 Maintenance Manual 960 573 ...