2 Troubleshooting Procedures 2.11 Modem Troubleshooting
2-52 [CONFIDENTIAL] TECRA M10 Maintenance Manual (960-685)
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 USB/MDC board or the cable 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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