2 Troubleshooting Procedures
dynabook PORTEGE A30-E/TECRA A30-G,-J/dynabook S Series Maintenance Manual(960-931) [CONFIDENTIAL] 2-39
2.15.3 Procedure 3 Replacement Check
Check 1 Headphone, microphone or headset may be faulty. Replace it with a new one. If the
problem still occurs, perform Check 4.
Check 2 Speaker (Right, Left) may be faulty. Replace it with a new one following the steps
in Chapter 4, Replacement Procedures. If the problem still occurs, perform Check
4.
Check 3 The built-in microphone (on MIC board) or LCD HARNESS may be faulty.
Replace them with new ones in order following the steps in Chapter 4,
Replacement Procedures. If the problem still occurs, perform Check 4.
Check 4 System board may be faulty. Replace it with a new one following the instructions
in Chapter 4, Replacement Procedures.
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