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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.
MDC cable
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 M30-35 Maintenance Manual (960-455) 2-47