Toshiba A20-S259 Maintenance Manual - Page 107
Procedure 3, Replacement Check, If the external microphone or the headphone does not work correctly
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2.12 Sound Troubleshooting 2 Troubleshooting Procedures Procedure 3 Replacement Check Check 1 If the speakers don't sound properly, the left or right speaker may be defective or damaged. Replace it with a new one. If the stereo speakers still do not work properly, go to Check 3. Check 2 If the external microphone or the headphone does not work correctly, the cable or the sound board may be defective or damaged. Replace it with a new one. If the external microphone or the headphone still does not work correctly, go to Check 3. Check 3 The system board may be defective or damaged. Replace it with a new one. Satellite A20 Maintenance Manual (960-444) 2-57
2.12
Sound Troubleshooting
2
Troubleshooting Procedures
Satellite A20 Maintenance Manual (960-444)
2-57
Procedure 3
Replacement Check
Check 1
If the speakers don't sound properly, the left or right speaker may be defective or
damaged. Replace it with a new one. If the stereo speakers still do not work properly,
go to Check 3.
Check 2
If the external microphone or the headphone does not work correctly, the cable or the
sound board may be defective or damaged. Replace it with a new one. If the external
microphone or the headphone still does not work correctly, go to Check 3.
Check 3
The system board may be defective or damaged. Replace it with a new one.