2.12 Sound Troubleshooting

2 Troubleshooting Procedures

Procedure 2 Connector Check

The sound function-wiring diagram is shown below:

Any of the connections may be disconnected. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures and perform the following checks:

1.If the stereo speaker or internal microphone does not work correctly, perform Check 1.

2.If the external microphone or headphone does not work correctly, perform Check 2.

Check 1 If the stereo speaker or internal microphone does not work properly, the speaker cable or internal microphone cable may be disconnected. Make sure the speaker cable is firmly connected to CN6170 on the system board and the internal microphone is firmly connected to CN6050 on the system board. If the stereo speaker or internal microphone is still not functioning properly, go to procedure 3.

Check 2 If the external microphone or headphone does not work properly, the external microphone cable or headphone jack may be disconnected. Make sure the external microphone cable is firmly connected to J6051 on the system board and the headphone jack is firmly connected to J6310 on the system board. If the external microphone or headphone is still not functioning properly, go to procedure 3.

TECRA S3 Maintenance Manual (960-532)

[CONFIDENTIAL]

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Toshiba S4 manual Sound Troubleshooting Troubleshooting Procedures, Procedure 2 Connector Check