Toshiba A1 Manual Do Utilizador

2  

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.  Touch pad 

2.  System Board   

 

  8.  Optical Drive 

3.  3.5” USB FDD  

 

  9.  Modem  

4.  2.5” HDD 

 

 

10.  LAN  

5.  Keyboard 

 

 

11.  Sound 

6.  Display  

 

 

12.  Wireless LAN  

The Test Program operations are described in Chapter 3. Detailed replacement procedures are 
given in Chapter 4. 
The following tools are necessary for implementing the Diagnostics procedures: 

1.  Diagnostics Disk (Test program for maintenance) 
2.  Phillips screwdrivers  

3.  Toshiba MS-DOS system FD 
4.  Work disk (for USB FDD testing) 
5.  Cleaning disk kit (for USB FDD head cleaning) 

6. Printer port LED 
7.  Wraparound connector for PC card 
8. Tester  
9. External CRT 
10. External USB FDD (for no internal-FDD model) 
11. External USB keyboard  
12. External USB mouse 
13. External USB test module 
14. External USB cable 
15. PS2 mouse 
16. Headphone 
17. Microphone 
18. Toshiba CD-ROM test disk (ZA1217P01/P000204190) 
19. Toshiba-EMI  DVD-ROM test disk TSD-1 

20. Music CD 

21. CD-RW media (recommended :RICOH, Mitsubishi Kagaku supporting 4x media) 

22. DVD-ROM media (normal media on the market) 

23. RJ-11 connector checker LED 

24. LAN wraparound connector 

25. Speaker with an input terminal for S/PDIF  

26. Personal computer that can communicate by wireless LAN for wireless LAN 

troubleshooting 

27. Antenna test cable