2 Troubleshooting Procedures
2.8Speaker Troubleshooting
START
Perform audio source test
(Procedure 1)
Do all sources have |
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| No | ||||
same problem? |
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| Yes |
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Speakers are not faulty. Continue troubleshooting - see Figure
No
Perform earphone test
(Procedure 2)
Do earphones
function correctly?
Yes
Perform connection check
(Procedure 3)
Perform replacement
check
(Procedure 4)
Replace system board
END
Figure 2-7 Speaker troubleshooting process
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
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