25
DV-410V-K
5
6
7
8
5
6
7
8
A
B
C
D
E
F
N
O DIGITAL AUDIO O
N
PLAYBACK OF COAXIAL JACK
Is there
waveform at pin 7 of J7301
about 0.5
V
p-p?
Check connection at RCA
Cable.
Yes
Yes
N
o
N
o
Change IC4002.
Is there
waveform at pin 215 of IC4002
about 3.3
V
p-p ?
Check Q
8
025 and
peripheral circuit.
N
O A
N
ALOG AUDIO O
N
PLAYBACK
Is there
AUDIO signal at pins 1 and 7
of IC
8
00
8
?
Yes
8
012 ?
N
o
Check J
8
001 and peripheral
circuit.
Yes
N
o
Check AT pins 223 and 225
of IC4002
Change IC
8
00
8
.
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9
2
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4
2
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8
TEL 13942296513
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9
2
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4
2
9
8
0
5
1
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1
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299