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5-3 No Sound
No Sound, but Picture is
in normal operation
Check the CN602
Connection and Signal
er
Abnormal
Normal
Check
IC602 #7
(If the pin is in low state,
Sound is mute)
Normal
Check
IC601 #24, #25
Normal
Check
IC601 Input
Voltages (5V,8V)
Normal
Check
IC601 Input Signal
Normal
Replace
IC601
Abnormal
Check
14V Line
Abnormal
Check
D816, Q906
Abnormal
Replace
IC602
Abnormal
Check
the coils around IC601
Abnormal
Check
the Tuner
Troubleshooting
Check
FA803S
5-3
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