Compal JHT01 - Speaker Troubleshooting

JHT01 Service Manual
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10. Speaker Troubleshooting
Figure 6-9 Speaker troubleshooting process
START
Perform audio source
test (Procedure 1)
Do all sources have
same problem?
Speakers are not
faulty. Continue
troubleshooting -
see Figure 2-1
Perform earphone test
(Procedure 2)
Do earphones function
correctly?
Perform connection
check (Procedure 3)
Perform replacement
check (Procedure 4)
Replace system board
END
No
No
Yes
Yes