VSX-1017AV-K
57
5
6
7
8
5
6
7
8
C
D
F
A
B
E
Step 4: Audio Out check
I
s there
a SPD
I
F
signal
?
O
peration of
I
C701 is
O
K.
T
o S
T
EP
4
Check the output from
I
C701 (pin 105).
Yes
N
o
Yes
D+ and D
-
should have
waveform during normal
condition.
Check the pattern in the path.
Check the M
OT
HER Assy.
Are
there the waveforms
like figure
?
Yes
N
o
I
C701 (pin 105)
SPD
I
F
C
N
701 (pins
2
,
3
)
D+/D
-
Fig. D+
X: 1
μ
sec/div, Y:
2
V/div
X: 1
μ
sec/div, Y:
2
V/div
Fig. D
-
I
s there
a SPD
I
F
signal
?
Check the output from
I
C701 (pin 105).
Yes
N
o
I
C7
4
1 (pin
2
)
SPD
I
F
Check the parts and
pattern between
I
C701
and C
N
70
2
.
Are there
audio signal
?
Replace
I
C7
4
1.
Yes
N
o
I
C7
4
1 (pin
4
)
SPD
I
F
B