21
DV-220V-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 2 of J8001
about 0.5
V
p-p?
Check connection at RCA
Cable.
Yes
Yes
N
o
N
o
Change IC4001.
Is there
waveform at pin 80 of IC4001
about 3.3
V
p-p ?
Check Q8005 and
peripheral circuit.
N
O A
N
ALOG AUDIO O
N
PLAYBACK
Is there
Yes
N
o
Check J8003 and peripheral
circuit.
Yes
N
o
Check at pins 111 and 113
of IC4001
Change IC8003.
www. xiaoyu163. com
QQ 376315150
9
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
