Service manual

Troubleshooting
7-6 Samsung Electronics
Surround L/R output error
(Analog Audio output)
5.1-channel is
contained in playing disc?
Normal DATA 2 is
input in AIC3-7?
Check AVJ3 peripheral
soldering shot.
Output only in 2-channel
(stereo channel)
Check VIC1-164 output.
Yes Yes
No No
Analog output of
AIC3-16, 17, 18, 19
is normal?
Check VIC1-169 DVD ; 18.432MHz
Yes
No
AOP3-1, 7
output is normal?
Check AOP3 peripheral circuit.
Yes
No
Base terminal level
of AQ9, 10, 11, 12
are "L"?
Check FIC1-97 mute.
Yes
No
Center/Sub-Woofer output error
(Analog Audio output)
5.1-channel is
contained in playing disc?
Normal DATA 3 is
input in AIC4-7?
Check AVJ3 peripheral
soldering shot.
Output only in 2-channel
(stereo channel)
Check VIC1-165 output.
Yes Yes
No No
Analog output of
AIC4-16, 17, 18, 19
is normal?
Check VIC1-169 DVD ; 18.432MHz
Yes
No
AOP4-1, 7
output is normal?
Check AOP4 peripheral circuit.
Yes
No
Base terminal level of AQ13, 14, 15, 16
are "L"?
Check FIC1-95, 96 mute.
Yes
No