Samsung DVD-P191 Service Manual page 34

Trouble Shooting
4-16
Audio LR output error
(Mix Audio output)
Is AIC1 pin 1, 7
output normal
Yes
Base terminal level
of AQ33 are "L"?
Yes
Check Jack RCA peripheral
soldering shot
No
Check AIC1 peripheral circuit
Refer to a pattern
image of Table 4-9
No
Check DIC1-43 mute.
Refer to a pattern
image of Table 4-9
Samsung Electronics