Toshiba PRO L600 Manual Do Utilizador

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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 
 te
gram. Refer to Chapter 
ment Check 
MDC (Modem Daughter Card) is used as the modem for this computer. MDC is connected to 
tion of cable, board and 
Execute Modem
st in the LAN/Modem/Bluetooth/IEEE1394 test pro
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 Replace
system board by connector CN10. If modem malfunctions, the connec
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. 
f the 
If any connector is disconnected, connect it firmly and return to Procedure 1. I
problem still occurs, perform Check 2. 
Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08)