Toshiba Satellite R10 Manuel D’Utilisation

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2  Troubleshooting  
2.13  Sound Troubleshooting 
Satellite R10 Maintenance Manual (960-509)  
 
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2.13  Sound Troubleshooting 
To check if the sound function is defective or malfunctioning, follow the troubleshooting 
procedures below as instructed. 
Procedure 1:  Diagnostic Test Program Execution Check 
Procedure 2:  Connector Check  
Procedure 3:  Replacement Check 
Procedure 1 
Diagnostic Test Program Execution Check 
Execute the Sound test program available as part of the maintenance test program.  See 
Chapter 3 for information on how to perform the test. 
If any error is detected by the test, go to Procedure 2 
Procedure 2 
Connector Check 
The speaker, internal microphones, external microphone and headphone are connected to the 
system board shown in the following figure. These connections may be loose or cables may 
come off. Disassemble the computer referring to the steps described in Chapter 4 and make 
sure each connection. If there is still an error, perform Procedure 3. 
 
Procedure 3 
Replacement Check 
Check 1 
If the speaker or internal microphones is not working properly, the part may be 
faulty. Replace it with a new one following the step in Chapter 4. If there is still an 
error, go to Check 2. 
Check 2 
The system board may be faulty. Replace it with a new one following the step in 
Chapter 4. If there is still an error, perform Check 3. 
Check 3 
The external speaker or headphone may be faulty. Replace it with a new one.