2.10 Modem Troubleshooting 2 Troubleshooting Procedures
PORTEGE A600 Maintenance Manual (960-710) [CONFIDENTIAL] 2-51
Check 2 Modem cable or MDC cable may be faulty. Replace it with a new one. If the
problem still occurs, perform Check 3.
Check 3 MDC may be faulty. Replace it with a new one following the steps in Chapter 4,
Replacement Procedure. If the problem still occurs, perform Check 4.
Check 4 MDC FPC may be faulty. Replace it with a new one following the instructions in
Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 5.
Check 5 System board may be faulty. Replace it with a new one following the instructions
in Chapter 4, Replacement Procedures.
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