Toshiba PORTEGE A200 series Maintenance Manual page 88

2.14 Sound Troubleshooting
Procedure 3 Replacement Check
Check 1 If the stereo speakers do not sound properly, the stereo speakers 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 do not sound properly, the SD board may be defective. 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 by the external microphone does not work properly, the
SD board may be defective. 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 by the internal microphone does not work properly, the
SD board may be defective. Replace the SD board 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.
PORTEGE A200 Maintenance Manual (960-499)
2 Troubleshooting Procedures
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