Toshiba A40 manual Modem Troubleshooting Troubleshooting Procedures

2.10 Modem Troubleshooting 2 Troubleshooting Procedures

Procedure 2 Connector Check and Replacement Check

The Modem is installed as a modem daughter card (MDC). If the modem malfunctions, there may be a bad connection between the MDC and the System Board. Or the MDC, System Board or their connectors might be damaged.

Disassemble the computer following the steps described in Chapter 4, Replacement Procedures and perform the following checks:

Check 1 Make sure the MDC cable is firmly connected to the MDC and make sure the MDC is firmly connected to PJ3000 on the System Board.

If a connector is disconnected, connect it firmly and repeat Procedure 1. If the Modem is still not functioning properly, perform Check 2.

Check 2 The MDC may be defective or damaged. Replace it with a new one following the steps in Chapter 4, Replacement Procedures. If the Modem is still not functioning properly, perform Check 3.

Check 3 The system board may be defective or damaged. Replace the System Board with a new one following the steps in Chapter 4, Replacement Procedures.

Satellite A40 Maintenance Manual (960-458) 2-51