VSX-LX50
32
1
2
3
4
1
2
3
4
C
D
F
A
B
E
N
o
Replace
I
C904.
The
output
and
G
ND
may
be
short-
circuited.
Check
the
path
bet
w
een
them.
Y
es
I
s
I
C904
abnormally
hot?
B
Y
es
Check
the
parts
and
patterns
in
the
path.
I
C551
(
Pin
8
)
OSC
I
nverter
I
s
the
voltage
3.3
V
?
N
o
Check
the
parts
and
patterns
in
the
path.
I
C481
(
Pin
7
)
A
/D
Converter
I
s
the
voltage
3.3
V
?
N
o
Y
es
Check
the
parts
and
patterns
in
the
path.
I
C651
(
Pin
16
)
Logic
I
C
I
s
the
voltage
3.3
V
?
N
o
Y
es
Check
the
parts
and
patterns
in
the
path.
I
C601
(
Pin
16
)
Logic
I
C
I
s
the
voltage
3.3
V
?
N
o
Y
es
Check
the
parts
and
patterns
in
the
path.
I
C501
(
Pin
4,
etc.
)
XM
/D
T
I
C
I
s
the
voltage
3.3
V
?
N
o
Y
es
Check
the
parts
and
patterns
in
the
path.
I
C291
(
Pin
14
)
Audio
MCK
Bu
ff
er
I
s
the
voltage
3.3
V
?
N
o
Y
es
Check
the
parts
and
patterns
in
the
path.
I
C301
(
Pins
21,38
)
DI
R
I
s
the
voltage
3.3
V
?
N
o
Y
es
Check
the
parts
and
patterns
in
the
path.
I
C904
(
Pins
3,4
)
Regulator
1.25
V
I
s
the
voltage
3.3
V
?
N
o
Y
es
Check
the
parts
and
patterns
in
the
path.
I
C201
(
Pin
8,
etc.
)
2nd
D
SP
1.25
V
I
s
the
voltage
1.25
V
?
N
o
I
C904
(
Pin
5
)
I
s
the
voltage
1.25
V
?
N
o
Y
es
• :
KUXJ
and
KUXJ
/
CA
types
only
A
/D
Converter
Check
the
parts
and
patterns
in
the
path.
I
C481
(
Pin
6
)
I
s
the
voltage
5
V
?
N
o
Y
es
Y
es
Check
the
parts
and
patterns
in
the
path.
I
C401
(
Pins
14,28
)
D/
A
Converter
I
s
the
voltage
5
V
?
N
o
C
N
901
(
Pin
10
)
I
s
the
voltage
o
f
analog
po
w
er
5
V
?
N
o
Analog
5
V
input
N
o
Replace
C
N
901.
Check
the
po
w
er
output
o
f
the
main
unit.
Y
es
Y
es
I
s
there
any
loose
connection
at
pin
10
o
f
C
N
901?
To
Step
3
Содержание VSX-LX50
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