Compal JHL90 - 10. Speaker Troubleshooting

JHL90 Service Manual
6-23
10. Speaker Troubleshooting
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
Figure 6-9 Speaker troubleshooting process