dynabook PORTEGE X30W-J, Maintenance Manual

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2 Troubleshooting Procedures
PORTÉGÉ X30W-J, dynabook V*/VZ*/VC* Series Maintenance Manual (960-941) [CONFIDENTIAL]
2-37
2.15 Sound Troubleshooting
To check if the sound function is malfunctioning or not, follow the troubleshooting procedures
below as instructed.
Procedure 1: Check on Windows
Procedure 2: Connector Check
Procedure 3: Replacement Check
2.15.1 Procedure 1 Check on Windows
To check if the sound function is working properly, play a music file on Windows and check
functions related to sound.
If any error is found, go to Procedure 2.
2.15.2 Procedure 2 Connector Check
The connection of sound system is shown in the following figure.
As the connection may be defective, check each connection first.
 If headphone, microphone or headset does not work properly, reconnect it surely. If there
is still problem, perform Check 1 of Procedure 3.
 If speaker (right or left) does not work properly, reconnect it surely following the steps in
Chapter 4,
Replacement Procedures . If there is still problem, perform Check 2 of
Procedure 3.
 If built-in microphone does not work properly, reconnect it surely following the steps in
Chapter 4,
Replacement Procedures . If there is still problem, perform Check 3 of
Procedure 3.
Headphone,
Microphone, Headset
Speaker
(right, left)
System board
J6320
CN6290 CN9540
Camera module
(Built-in microphone)
CAMERA HARNESS