Toshiba Satellite Pro U300 - Sound Troubleshooting; Connector Check; Procedure 1; Procedure 1 Connector Check

Troubleshooting Procedures
Satellite U300 and Satellite Pro U300 Maintenance Manual
2.14 Sound Troubleshooting
To check if the sound function is malfunctioning or not, follow the troubleshooting procedures
below as instructed.
Procedure 1: Connector Check
Procedure 2: Replacement Check
Procedure 1 Connector Check
The connection of sound system is shown in the following figure.
As the connection may be defective, disassemble the PC and check each connection.
If the problem still occurs, go to Procedure 2.
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