Toshiba L600D 用户手册

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Chapter 2 Troubleshooting Procedures  
 
2.22 Modem Troubleshooting 
To check if modem is malfunctioning or not, follow the troubleshooting procedures below as 
instructed. 
Procedure 1:   Diagnostic Test Program Execution Check 
Procedure 2:   Connector Check and Replacement Check 
Procedure 1 
Diagnostic Test Program Execution Check 
Execute Modem test in the LAN/Modem/Bluetooth/IEEE1394 test program. Refer to Chapter 
3, Tests and Diagnostics for more information on how to perform the test program. 
If any error is detected, perform Procedure 2.  
Procedure 2 
Connector Check and Replacement Check 
MDC (Modem Daughter Card) is used as the modem for this computer. MDC is connected to 
system board by connector CN10/CN27. If modem malfunctions, the connection of cable, 
board and module may be defective. Otherwise, they may be faulty. 
 
Disassemble the computer following the steps described in Chapter 4 and perform the 
following checks: 
Check 1 
Make sure the following connections are firmly connected. 
If any connector is disconnected, connect it firmly and return to Procedure 1. If the 
problem still occurs, perform Check 2. 
Satellite L600D/L640D/L645D, Satellite Pro L600D/Pro L640D/Pro L645D Maintenance Manual (960-Q08)