Toshiba A3X Sound Troubleshooting Troubleshooting Procedures, Procedure 2 Connector Check

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		Sound board cable
	<System board>
Speaker L	CN6001	CN9500		CN9510		<sound board>
					J6310	J6070

Headphone

Ext. microphone

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 are 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