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2.13 Sound Troubleshooting 2 Troubleshooting Procedures
Procedure 3 Replacement Check
Check 1 If the stereo speakers do not sound properly, they may be defective or damaged.
Replace them with new ones. If the stereo speakers still do not work properly, go
to Check 5.
Check 2 If headphones does sound properly, the headphone jack may be defective or
damaged. Replace the SD board with a new one. If the headphone still does not
work properly, go to Check 5.
Check 3 If the recording function does not work properly by the external microphone, the
external microphone jack may be defective or damaged. Replace the SD board
with a new one. If the recording function still does not work properly, go to Check
5.
Check 4 If the recording function does not work properly by the internal microphone, the
internal microphone may be defective or damaged. Replace it with a new one. If
the recording function still does not work properly, go to Check 5.
Check 5 The system board may be defective or damaged. Replace the system board with a
new one following the instructions in Chapter 4, Replacement Procedures.
Satellite M30-35 Maintenance Manual (960-455) 2-55