VSX-LX50
44
1
2
3
4
1
2
3
4
C
D
F
A
B
E
M
I
C201
(
Pin
5
)
N
o
N
o
C
D
TO
Y
es
F
ailure
in
2nd
D
SP
block,
Go
to
Step
9.
F
ailure
in
2nd
D
SP
block,
Go
to
Step
9.
F
ailure
in
2nd
D
SP
block,
Go
to
Step
9.
F
LO,
F
RO
N
o
Replace
I
C701.
Replace
I
C401.
Replace
C
N
401.
Y
es
N
o
I
s
there
a
analog
audio
output?
Y
es
N
o
I
s
not
there
poor
contact
in
C
N
401-pins
7
and
5?
N
o
I
C401
(
Pins
25,24
)
I
s
there
abnormality
at
the
parts
and
patterns
in
the
path?
Check
the
f
ollo
w
ing
points
w
hen
the
source
is
Multi
ch.
I
s
there
a
audio
data
(w
ith
Cch
source
)
?
I
C201
(
Pin
6
)
N
o
S
D
TO
Y
es
I
s
there
abnormality
at
the
parts
and
patterns
in
the
path?
I
s
there
a
audio
data
(w
ith
SLch
source
)
?
N
o
I
C701
(
Pin
8
)
N
o
Y
es
I
s
there
abnormality
at
the
parts
and
patterns
in
the
path?
I
s
there
a
audio
data
(w
ith
SLch
source
)
?
Replace
I
C701.
I
C701
(
Pin
12
)
N
o
N
o
Y
es
I
s
there
abnormality
at
the
parts
and
patterns
in
the
path?
I
s
there
a
audio
data
(w
ith
Cch
source
)
?
I
C201
(
Pin
4
)
N
o
N
o
B
D
TO
(
S
D
T
)
Y
es
I
s
there
abnormality
at
the
parts
and
patterns
in
the
path?
I
s
there
a
audio
data
(w
ith
SBch
source
)
?
Replace
I
C701.
I
C701
(
Pin
15
)
N
o
N
o
Y
es
I
s
there
abnormality
at
the
parts
and
patterns
in
the
path?
I
s
there
a
audio
data
(w
ith
SBch
source
)
?
I
C701
(
Pin
28
)
N
o
N
o
Y
es
I
s
there
abnormality
at
the
parts
and
patterns
in
the
path?
I
s
there
a
audio
data
(w
ith
Sch
source
)
?
Check
the
parts
and
patterns
(
short-circuit
)
in
the
path
including
the
D
SP
Assy
and
others.
Y
es
N
o
Check
the
parts
and
patterns
in
the
path
on
the
D
SP
Assy.
I
s
there
a
analog
signal
output
at
C
N
401-pins
7
and
5?
Replace
I
C701
or
I
C751.
(FD
T
)
LS
FD
Replace
I
C701.
N
o
Y
es
N
o
I
s
there
a
audio
data
input?
I
s
there
abnormality
at
the
parts
and
patterns
in
the
input
path?
I
C701
(
Pin
5
)
N
o
Y
es
N
o
I
s
there
a
audio
data
output?
I
s
there
abnormality
at
the
parts
and
patterns
in
the
output
path?
I
C701
(
Pin
29
)
Replace
I
C701
or
I
C751.
N
o
Y
es
N
o
I
s
there
a
audio
data
input?
I
s
there
abnormality
at
the
parts
and
patterns
in
the
input
path?
I
C751
(
Pin
5
)
Replace
I
C751
or
I
C401.
N
o
Y
es
N
o
I
s
there
a
audio
data
output?
I
s
there
abnormality
at
the
parts
and
patterns
in
the
output
path?
I
C751
(
Pin
29
)
LS
FD
Replace
I
C751
or
I
C401.
N
o
Y
es
N
o
I
s
there
a
audio
data
input?
I
s
there
abnormality
at
the
parts
and
patterns
in
the
input
path?
I
C401
(
Pin
3
)
Replace
I
C701
or
I
C751.
N