VSX-1017AV-K
33
5
6
7
8
5
6
7
8
C
D
F
A
B
E
Step
6:
DIR
I
C95
2
(Pin
1
4
)
Do
convert
3
V
into
5
V
for
pin
6
input
?
A
B
T
o
Step
5
Replace
I
C95
2
.
Check
the
parts
and
patterns
in
the
path.
Check
the
parts
and
patterns
in
the
path.
Replace
I
C601.
Replace
I
C601.
N
o
Yes
I
C95
2
(Pin
1
3
)
Do
convert
3
V
into
5
V
for
pin
7
input
?
Replace
I
C95
2
.
N
o
Yes
Check
the
D
I
G
IT
AL
IN
PU
T
Assy,
and
parts
and
patterns
in
the
path.
Check
the
path
to
pin
4
5
of
I
C801.
Replace
I
C80
2
.
I
C601
(Pin
1)
IN
1
(
O
P
T
:
T
V/SA
T
)
Check
that
the
SPD
I
F
signal
is
output.
Check
that
changes
by
pulling
out
and
inserting
the
digital
input
lines.
Can
observe
the
digital
signal
?
N
o
(0
V
⇔
4
V)
Yes
Check
the
D
I
G
IT
AL
IN
PU
T
Assy,
and
parts
and
patterns
in
the
path.
I
C601
(Pin
5)
IN2
(
O
P
T
:
CD
-
R/
T
APE/MD)
Can
observe
the
digital
signal
?
N
o
(0
V
⇔
4
V)
Yes
I
C601
(Pin
44
)
IN3
(C
O
AX:
DVD/LD)
Can
observe
the
digital
signal
?
N
o
Yes
Yes
Check
the
FR
ONT IN
Assy,
and
parts
and
patterns
in
the
path.
I
C601
(Pin
7)
Front
IN
(
O
P
T
:
V
I
DE
O2
)
Check
that
the
data
and
clock
signals
are
output.
Can
observe
the
digital
signal
?
N
o
(0
V
⇔
4
V)
(0
V
⇔
3
.
3
V)
(0
V
⇔
3
.
3
V)
Yes
Yes
I
C601
(Pin
42
)
IN4
(C
O
AX:
CD)
Can
observe
the
digital
signal
?
N
o
(1.65
V
center,
amplitude
more
than
0.
2
Vp
-
p)
(1.65
V
center,
amplitude
more
than
0.
2
Vp
-
p)
Check
the
other
assy.
(surrounding
of
the
microcomputer)
I
C601
(Pin
2
7)
MCK
O2
(Master
clock)
N
o
N
o
Yes
I
s
there
a
master
clock
output
?
I
C601
(Pin
24
)
LRCK
(LR
clock)
N
o
I
s
there
a
LR
clock
output
?
I
s
the
voltage
of
PD
N
I
C601
-
pin
3
1
5
V
?
N
o
Step
5:
X
'
tal
T
o
Step
6
Replace
I
C80
2
or
X801.
Yes
I
C80
2
(Pin
2
)
N
o
I
s
there
a
24
.576
MHz
output
?
Check
the
path
to
pin
3
0
of
I
C601.
Replace
I
C80
2
.
Yes
I
C80
2
(Pin
7)
N
o
I
s
there
a
24
.576
MHz
output
?
Yes
I
C80
2
(Pin
5)
N
o
I
s
there
a
24
.576
MHz
output
?
