2 Troubleshooting

2.12 Sound

2.12 Sound

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 2 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 speakers are connected to the System board shown in the following figure.

 

 

 

 

System board

 

 

 

 

 

 

Speaker

 

 

 

PJ6002 PJ9

 

 

 

 

 

 

 

 

FL board

PJ500 PJ501

 

 

 

 

 

PJ997

 

 

 

 

 

 

 

 

 

 

 

Headphone

 

 

 

 

 

SC board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PJ999

 

 

 

 

 

 

 

 

 

 

PJ998

 

 

 

External Microphone

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

These connecters may have come off. Disassemble the computer and check the connector connections.

Execute Chapter 1 if the speaker is not working properly.

Go to Check 2 if the external Microphone terminal and the Headphone are not working properly.

Check 1 If the speaker is not working properly, the speaker cable may come off. Make sure the speaker cables are connected to the System board PJ10 firmly. If there is still an error, perform Check 3

Check 2 If external Microphone terminal and the Headphone are not working properly, the cable between the System board and SC board, or the System board and FL board may come off. Or the cable between the SC board and the Microphone terminal or the SC board and the Headphone may come off. Make sure those cables are connected firmly. If there is still an error, perform Check 3.

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PORTEGE R100 Maintenance Manual (960-440)

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Toshiba R100 manual Sound, Procedure 2 Connector Check