Toshiba TECRA A8 series Maintenance Manual page 109
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Also See for TECRA A8 series:
- Maintenance manual (428 pages) ,
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2.10 Modem Troubleshooting
Procedure 2
The Modem is installed as a MDC (Modem Daughter Card). 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
Check 2
Check 3
Check 4
TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573)
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Connector Check and Replacement Check
Make sure the MDC is firmly connected to CN3010 on the system board, MDC
cable to Modem jack via the connector CN3011 on the system board from MDC
and Modem cable to the Modem jack.
If connections are disconnected, connect them firmly and repeat Procedure 1. If
the modem is still not functioning properly, perform 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.
The MDC cable 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 4.
The system board may be defective or damaged. Replace it with a new one
following the steps in Chapter 4, Replacement Procedures.
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2 Troubleshooting Procedures
[CONFIDENTIAL]
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Troubleshooting
