Toshiba satellite p200 p205 Manuales De Servicio

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2 Troubleshooting Procedures 
Satellite P200 / P205 /Satellite Pro P200 Series Maintenance Manual    
         
[CONFIDENTIAL]  
  
31
 
This section describes how to determine if the computer's modem is functioning properly. 
Figure 2-12 outlines the process. Perform the steps below starting with Procedure 1 and 
continuing with the other procedures as required. 
 
Procedure 1:  Telephone line connection check 
Procedure 2:  Modem card connection check 
Procedure 3:  Modem card replacement check 
Procedure 1 
Telephone line connection check 
The telephone cable may be damaged or the connections may be loose. Attempt to connect 
the computer to a network through using the modem. If the modem does not function at all, 
go to Procedure 3. If the attempt fails because the computer detects no telephone signal, the 
fault may be in the telephone cable, the wall socket or the modem port. Perform Check 1: 
 
Check 1 
Make sure telephone cable is firmly plugged into both the telephone wall socket 
and the modem port of the computer. If the cable is connected correctly, go to 
Check 2. 
Check 2 
Make sure the modem port is firmly secured to the system board of the computer. 
If the malfunction remains, go to Check 3. 
Check 3 
The telephone cable may be damaged. Replace with a good cable. If the 
malfunction remains, go to Procedure 2. 
Procedure 2 
Modem card connection check 
Disassemble the computer following the steps described in Chapter 4, Replacement 
Procedures
 and ensure that the modem card is well connected to the system board. If the 
problem persists, perform Procedure 3. 
Procedure 3 
Modem replacement check 
The modem card or RJ-11 jack may be faulty. Try replacing them. If the problem persists, the 
system board may be defective or damaged.  Replace the System Board with a new one 
following the steps in Chapter 4, Replacement Procedures