2.15 Sound Troubleshooting 2 Troubleshooting Procedures
2.15 Sound Troubleshooting To check if the sound function is malfunctioning or not, 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 Sound Test program disk. 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.
Headphone Speaker (L)
J6001
CN6000 CN4622
Internal
microphone
<SJ board>
DS6000
External
microphone
<SD board>
CN9520
CN6002
CN9510
<System board>
CN9500
Speaker (R)
CN6003
SJ board harness SD board harness
As the connection may be defective, disassemble the PC and check each connection.
If the problem still occurs, go to Procedure 3.
2-64 QOSMIO G20 Maintenance Manual (960-511)