2.13 Sound Troubleshooting 2 Troubleshooting Procedures
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 in the Diagnostic Program. Refer to Chapter 3, Tests and
Diagnostics for more information on how to perform the test program.
If any error is detected by the test, go to Procedure 2
Procedure 2 Connector Check
The connection of sound system is shown in the following figure.
Speaker R CN6002
<System board>
CN6001 CN9500
Headphone Ext. microphone
Speaker L <sound board>CN9510
J6310 J6070
Sound board cable
As the connection may be bad, disassemble the PC and check each connection.
If the speakers do not work properly, go to Check 1.
If the headphone or external microphone does not work properly, go to Check 2.
Check 1 Make sure the speaker cables ar e firmly connected to CN6001 and CN6002 on
the system board. If the sound function does not still work properly, perform
Procedure 3.
Check 2 Make sure the sound board is firmly connected to the system board via sound
board cable. If each function does not still work properly, perform Check 2 of
Procedure 3.
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 2-45