Download DV-310-K

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8
NO DIGITAL AUDIO ON
PLAYBACK OF COAXIAL JACK
A
Is there
waveform at pin 2 of J8001
about 0.5Vp-p?
Check connection at RCA
Yes
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
D
circuit.
No
Is there
AUDIO signal at
C8051 and C8053 ?
No
Check AT pins 116 and 118
of IC4001
E
Yes
Change IC8003.
F
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DV-310-S
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