Toshiba PRO L645 Manual Do Utilizador

Página de 281
Chapter 2 Troubleshooting Procedures  
 
Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08)               
2  
2.1  Troubleshooting 
Chapter 2 describes how to determine which Field Replaceable Unit (FRU) in the computer 
is causing the computer to malfunction.  
The FRUs covered are: 
1.  Power supply 
  7.  LAN 
13.  3G 
2.  System Board 
  8.  Wireless LAN 
14.  Camera 
3.  SATA HDD/SSD 
  9.  Sound 
15.  Microphone 
4.  Keyboard 
10.  Bluetooth 
16.  Ext CRT 
5.  Touch pad 
11.  HDMI 
17.  USB Board 
6.  Display 
12.  Memory 
18   LED 
19. Optical Disk Drive 
20.  Modem 
21. 3 in 1 Card Reader 
 
The Test Program operations are described in Chapter 3. Detailed replacement procedures are 
described in Chapter 4. 
NOTE: After replacing the system board or CPU, it is necessary to execute the subtest 01 
initial configuration of the 3.3 setting of the hardware configuration in Chapter 
3.  
 
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 Free-DOS system FD