Toshiba 950-796 Manual De Usuario

Troubleshooting Procedures

2-6

[CONFIDENTIAL] Qosmio F60 Series Maintenance Manual (960-796)

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

8. Optical Disk Drive

17. Web camerta

2. System Board

10. LAN

18. TV tuner

3. USB FDD

11. Wireless LAN

19. HDMI

4. 2.5” HDD

12. Bluetooth

5. Keyboard

13. Sound

6. Touch pad

14. Bridge Media slot

7. Display

15. PCI ExpressCard slot

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 3.4 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 3.4
Setting of the hardware configuration in Chapter 3. Also update with the latest
EC/KBC as described in Appendix H “EC/KBC 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