Troubleshooting Procedures
Procedure 2
Replacement Check
If External microphone/Headphone does not work properly, perform check 1.
If Internal microphone /Speaker does not work properly, perform check 2.
If HP out does not work properly, perform check 3.
If Volume control does not work properly, perform check 4.
Check 1
External microphone/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 2
Internal microphone /Speaker 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
HP out 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
Volume control may be faulty. Replace it with a new one following the steps in
Chapter 4. If the problem still occurs, perform Check 6.
Check 5
Flat cable between AD board/Speaker and system board may be faulty. Replace it
with new cable following the instructions in Chapter 4. If the problem still occurs,
perform Check 6.
Check 6
Audio board/System board may be faulty. Replace it with a new one following the
instructions in Chapter 4.
50 Satellite U300 and Satellite Pro U300 Maintenance Manual
Содержание Satellite U300
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Страница 236: ...App ii Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Страница 246: ...Handling the LCD Module A 6 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Страница 248: ...Board Layout Figure B 2 System board layout Back B 2 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Страница 261: ...Board Layout Figure B 2 System board layout Back B 2 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
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Страница 357: ...Wiring Diagrams F 2 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
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