Samsung DVD-N501 Service Manual page 24

Chassis : milleno
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CD/VCD/DVD L/R output error
(Mixed Audio output)
No
Normal DATA 0 is
input in AIC1-3?
Yes
Analog output of
No
AIC1-9, 10, 11, 12 is
normal?
Yes
No
AOP1-1, 7 output
is normal?
Yes
Base terminal level
No
of AQ1, AQ3
are "L"?
Yes
Check AVJ2 peripheral
soldering shot.
Check NIC1-56 output.
Check NIC1-111
(CD/VCD ; 16.9344MHz,
DVD ; 18.432MHz)
Check AOP1 peripheral circuit.
Check FIC1-47 mute.
Digital output error
No
Output in NIC1-46 is normal?
Yes
Output in
No
AIC3-6, 8, 10 is
normal?
Yes
Check AVJ4, ACJ5 peripheral
soldering shot.
Check NIC1 peripheral circuit.
Check AIC3.

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