Samsung DVD-HR773 Training Manual page 35

Tuner Vi deo Out Abnor m al
1. Suppl i ed power f or t uner i s OK?
pi n1, 3 : 5V,
2. I 2C s i gnal pi c11, 12 of t uner i s OK?
Ther e' s no Di gi t al Audi o Out
• Check Current Digital Audio Setting is PCM.
• ChecK Digital Audio data pin29 of CN1 (JACK PCB)
AV1 ( RGB) Out put Er r or
•
#10,12,14 pin in CN2 of Jack PCB has normal level?
•
Analog signals are inputted normally IC216(pin27,28,29)
•
Power is normal at IC216(pin30, 34)
•
RGB control signal level is 2~3V at 16pin of SJACK1
(AV1JACK)?
pi n16 : 33V