Samsung DVD-VR320/XEF Manual page 59

No digital audio out
Check the digital audio
5V vcc of DOIC2-2Pin (jack PCB)
Proper signal input on pin1
Proper signal output on
Check optical and coaxial output terminal
and passive components aroud them
Samsung Electronics
Checking
setting
Skip setting check (hardware problem)
No
Yes
No
of DOIC2
Yes
Yes
DOL2
No
Refer to user manual
Check DOL3 or Vcc Line
Proper signal on pin 10 of CN1
of main PCB
Yes
Check the signal on pin 10 of
CN4 of jack PCB
Replace JACK1
Troubleshooting
No
Replace main PCB
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