Samsung DVD-N501, Service Manual

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Troubleshooting
Samsung Electronics
3-5
CD/VCD/DVD L/R output error
(Mixed Audio output)
Normal DATA 0 is
input in AIC1-3?
Analog output of
AIC1-9, 10, 11, 12 is
normal?
Check AVJ2 peripheral
soldering shot.
Check NIC1-56 output.
Check NIC1-111
(CD/VCD ; 16.9344MHz,
DVD ; 18.432MHz)
Yes
Yes
No
No
AOP1-1, 7 output
is normal?
Check AOP1 peripheral circuit.
Yes
No
Base terminal level
of AQ1, AQ3
are "L"?
Check FIC1-47 mute.
Yes
No
Digital output error
Output in NIC1-46 is normal?
Output in
AIC3-6, 8, 10 is
normal?
Check AVJ4, ACJ5 peripheral
soldering shot.
Check NIC1 peripheral circuit.
Check AIC3.
Yes
No
No
Yes