LG 37LB1D-UB, Service Manual

Page: 48 / 81

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C
h
eck M
S
P4450
K
(I
C
202
) i
n
p
u
ts
#56
(A
V_L
),
#57
(A
V_R
)
1 2 3
C
h
eck C
X
A
2069
(
IC101
) in
/o
u
tpu
ts
#2
(V
_L
),
#4
(V_
R)
, #23
(F
V_L
),
#25
(F
V_
R
),
#52
(A
V_L_O
UT
),
#54
(A
V_R_O
UT
)
Ch
eck
Vi
de
o/
F
ro
n
t Vi
de
o
A
udi
o I
n
p
u
t Cable
Ch
eck
Com
pon
ent
1,2 / RG
B
A
udio
Input Cable
C
h
eck M
S
P4450
K
(I
C
202
) i
n
p
u
ts
#53
(C
O
M
P1_
L
), #54
(C
O
M
P1_
R
), #50
(C
O
M
P2_L
),
#51
(C
O
M
P2_
R
), #47
(R
G
B
_
L
),
#48
(R
G
B
_
R
)
C
h
eck M
S
P4450
K
(I
C
202
) o
u
tp
u
ts
#36
(S
C1_
R
), #37
(S
C1_
L
)
4 5
C
h
eck C
S
5331
(I
C
1000
)
in
/o
u
tp
u
ts
& P
o
w
e
r
#7
(5
V),
#5,8(
L
/R
i
n
p
u
t)
, #1
(L
R
C
H
),
#2
(S
C
K
),
#
3
(LRCK), #
4
(MCLK)
C
h
eck LG
D
T
1102
F
(I
C
402
) i
n
p
u
ts
R413(L
RCH), R414(L
RCK)
, R415(SCK)
Fol
lo
w
the pr
o
c
ed
ur
e of
“
COM
MON S
O
UND OUT
”
6 7
C
h
eck M
C
33078(
IC
1001
)
in
/o
u
tpu
ts
&
Po
w
e
r
#8
(9
V),
#2,
6
(in
pu
t)
, #1
, 7
(o
u
tp
u
t)
8
C
h
eck C
o
n
n
ec
to
r
P103
(#16,#18
)
9
•
A
V/Component/RGB NO Sound