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NO DIGITAL AUDIO ON PLAYBACK OF COAXIAL JACK
A
Is there waveform at pin 2 of J8001 about 0.5Vp-p?
Yes
Check connection at RCA Cable.
No
B
Is there Yes waveform at pin 93 of IC4001 about 3.3Vp-p ?
Check Q8005 and peripheral circuit.
No
Change IC4001.
C
NO ANALOG AUDIO ON PLAYBACK
Is there AUDIO signal at pins 1 and 7 of IC8003 ?
Yes
Check J8003 and peripheral circuit.
D
No
Is there AUDIO signal at C8051 and C8053 ?
No
Check AT pins 116 and 118 of IC4001
E
Yes
Change IC8003.
F
DV-310-S
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