Toshiba QOSMIO G10 Maintenance Manual page 114

2 Troubleshooting Procedures
Procedure 3 Replacement Check
If external microphone does not work properly, perform check 1.
If headphone does not work properly, perform check 2.
If internal microphone does not work properly, perform check 3.
If speaker does not work properly, perform check 4.
Check 1 External microphone may be faulty. Replace it with a new one following the steps
in Chapter 4. If the problem still occurs, perform Check 5.
Check 2 Headphone may be faulty. Replace it with a new one following the steps in
Chapter 4. If the problem still occurs, perform Check 5.
Check 3 Internal microphone may be faulty. Replace it with a new one following the steps
in Chapter 4. If the problem still occurs, perform Check 5.
Check 4 Speaker may be faulty. Replace it with a new one following the steps in Chapter 4.
If the problem still occurs, perform Check 7.
Check 5 SD board may be faulty. Replace it with a new one following the instructions in
Chapter 4. If the problem still occurs, perform Check 6.
Check 6 Flat cable between SD board and system board may be faulty. Replace it with a
new one following the instructions in Chapter 4. If the problem still occurs,
perform Check 7.
Check 7 System board may be faulty. Replace it with a new one following the instructions
in Chapter 4.
QOSMIO G10 Maintenance Manual (960-497)
2.14 Sound Troubleshooting
2-61