Speaker Troubleshooting - Toshiba Satellite Maintenance Manual

2 Troubleshooting Procedures
2.8

Speaker Troubleshooting

Perform audio source test
Do all sources have
Perform earphone test
function correctly?
Perform connection check
No
Perform replacement
Replace system board
To determine if the computer's built-in speakers are functioning properly, perform the
following procedures. Figure 2-7 outlines the process. First adjust the speaker volume to an
appropriate level. Start with Procedure 1 and continue as instructed.
Satellite L450D/455D, Satellite pro L450D Series Maintenance Manual
START
(Procedure 1)
same problem?
(Procedure 2)
Do earphones
Yes
(Procedure 3)
check
(Procedure 4)
END
Figure 2-7 Speaker troubleshooting process
Speakers are not
faulty. Continue
troubleshooting -
see Figure 2-1
23