DV-400V-S
25
5
7
8
5
6
7
8
C
D
F
A
B
E
NO DIGITAL AUDIO ON
PLAYBACK OF COAXIAL JACK
Is there
waveform at pin 2 of J8001
about 0.3Vp-p?
Check connection at RCA
Cable.
Yes
Yes
No
No
Change IC4002.
Is there
waveform at pin 215 of IC4002
about 0.3Vp-p ?
Check Q8025 and
peripheral circuit.
NO ANALOG AUDIO ON
PLAYBACK
Is there
AUDIO signal at pins 1 and 7
of IC8008 ?
Yes
No
Check J80013 and peripheral
circuit.
Check at pins 223 and
225 of IC4002.
Change IC8008.
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9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299