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2.12 Sound 2 Troubleshooting
Procedure 3 Replacement Check
Check 1 If the speaker is not working properly, the speaker may be faulty. Replace it with a
new one following the steps in Chapter 4. If the speaker is still not working
properly, go to Check 2.
Check 2 The System board may be faulty. Replace it with a new one following the
instructions in Chapter 4.
Check 3 The external Microphone terminal and the Headphone are not working properly,
the System board, the FL board or the SC board may be faulty. Replace those
boards with new ones following the steps in Chapter 4.
PORTEGE R100 Maintenance Manual (960-440) 2-45