23
DV-310-S
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 J
8
001
about 0.5
V
p-p?
Check connection at RCA
Cable.
Yes
Yes
N
o
N
o
Change IC4001.
Is there
waveform at pin 93 of IC4001
about 3.3
V
p-p ?
Check Q
8
005 and
peripheral circuit.
N
O A
N
ALOG AUDIO O
N
PLAYBACK
Is there
AUDIO signal at pins 1 and 7
of IC
8
003 ?
Yes
Is there
AUDIO signal at
C
8
051 and C
8
053 ?
N
o
Check J
8
003 and peripheral
circuit.
Yes
N
o
Check AT pins 116 and 11
8
of IC4001
Change IC
8
003.
