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2 Troubleshooting Procedures 2.10 Modem Troubleshooting
2-46 Satellite Pro M10 Series Maintenance Manual (960-431)
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, the 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 is firmly connected to system board PJ2017 and PJ2018, and the
RJ-45/RJ-11 Jack is firmly connected to system board PJ124.
System board
PJ2017
MDC
RJ-45/
RJ-11
Jacks
JP3
JP124
PJ2018
JP1
Modem cable
If any connectors are disconnected, connect them firmly and repeat Procedure 1. If
the Modem is still not functioning properly, perform Check 2.
Check 2 The RJ-45/RJ-11 jacks 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 MDC or the modem cable may be defective or damaged. Replace them with new
ones following the steps in Chapter 4, Replacement Procedures. If the modem is still
not functioning properly, perform Check 4.
Check 4 The system board may be defective or damaged. Replace the System Board with a
new one following the steps in Chapter 4, Replacement Procedures.