Toshiba satellite a20 series Benutzerhandbuch

2  

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.  System Board 

5.  Display 

 9.  Wireless LAN 

 

2.  Floppy Disk Drive 

6.  CD/DVD/Multi Drive  10.  Sound components 

 

3.  Hard Disk Drive 

7.  Modem 

  11.  SD card 

 

4. Keyboard 

8. LAN 

  

The Diagnostics Disk operations are described in Chapter 3.  Detailed replacement procedures 
are given in Chapter 4. 

The following tools are necessary for implementing the troubleshooting procedures: 

1. Diagnostics Disk 
2.  Phillips screwdriver (2 mm) 
3.  Toshiba MS-DOS system disk(s) 

(You must install the following onto the disk: SYS.COM, FORMAT.COM, FDISK.COM 
and FDISK.EXE) 

4.  2DD or 2HD formatted work disk for floppy disk drive testing 
5.  Cleaning kit for floppy disk drive troubleshooting 
6.  Cleaning kit for CD-RW/DVD, DVD-ROM, DVD-R/-RW and DVD Multi Drive 

troubleshooting 

7. Printer port LED 
8.  Printer port wrap around connector 
9.  PC Card wrap around card 
10. Multimeter 
11. External monitor 
12. PS/2 or compatible keyboard 
13. PS/2 or compatible mouse 
14. Multimedia sound system with line-in and line-out ports 
15. Headphone 
16. Microphone 
17. USB test module and USB cable 
18. TOSHIBA CD-ROM TEST DISK (ZA1217P01/P000204190) 
19. DVD-ROM TSD-1 (TOSHIBA EMI DVD Test Media)