VSX-LX50
57
5
6
7
8
5
6
7
8
C
D
F
A
B
E
E
Yes
Yes
SD2(DATA)
IC201
(Pin
7)
L-3
No
Is
there
a
data?
Check
the
parts
and
patterns
in
the
path
(IC101
to
IC201,
IC301).
If
IC101
is
failure,
replace
IC101.
(a)
Yes
SD3(DATA)
IC201
(Pin
8)
L-4
No
Is
there
a
data?
Check
the
parts
and
patterns
in
the
path
(IC101
to
IC201,
IC301).
If
IC101
is
failure,
replace
IC101.
(a)
Yes
DA
_
OFF
IC201
(Pin
19)
M-1
No
Is
there
voltage
"L"(AMP
MODE)
or
"H"(THROUGH
MODE)?
(a)
Yes
MCLK
CN1001
(Pin
10)
O
No
Is
there
a
clock?
Check
the
parts
and
patterns
in
the
path
(IC202
and
IC203
to
CN1001).
If
IC202
or
IC203
is
failure,
replace
IC202
or
IC203.
(a)
Yes
SPDIF
CN1001
(Pin
22)
O
No
Is
there
a
SPDIF?
Check
the
parts
and
patterns
in
the
path
(IC202
to
CN1001).
If
IC202
is
failure,
replace
IC202.
(a)
Yes
SCK(BCK)
CN1001
(Pin
12)
O
No
Is
there
a
clock?
Check
the
parts
and
patterns
in
the
path
(IC202
to
CN1001).
If
IC202
is
failure,
replace
IC202.
(a)
WS(LRCK)
CN1001
(Pin
13)
O
No
Is
there
a
clock?
Check
the
parts
and
patterns
in
the
path
(IC202
to
CN1001).
If
IC202
is
failure,
replace
IC202.
(a)
Yes
SD0-3(DATA)
CN1001
(Pin
14
to
17)
O
No
Is
there
a
data?
Check
the
parts
and
patterns
in
the
path
(IC202
to
CN1001).
If
IC202
is
failure,
replace
IC202.
(a)
MUTEOUT
CN1001
(Pin
8)
O
No
Is
the
voltage
"L"
(0
V)?
Check
the
parts
and
patterns
in
the
path
(IC501
to
CN1001).
If
IC501
is
failure,
replace
IC501.
Diagnose
the
DSP
Assy.
(a)
Check
the
parts
and
patterns
in
the
path
(IC501
to
IC202).
If
IC501
is
failure,
replace
IC501.