Read LG 47LW5500-CA (CHASSIS:LC12C) Service Manual online
C
- 25 -
Block diagram for W5500 M/B_Input
H
ig
h
C
ha
ss
is
B
C
M3
52
30
(IC1
01
)
H
ig
h
C
ha
ss
is
H
ig
h
C
ha
ss
is
B
C
M3
52
30
B
C
M3
52
30
(IC1
0
(IC1
0
1
1
)
)
EEPRO
M
( I
C
80
2)
EEPRO
M
( I
C
80
2)
(J
K
804
)
(J
K
801
)
DSUB
_
R/
G/
B
+
, DSUB
_
DE
T
,
RG
B
_DDC
_S
CL/
SDA
P
C
_
R/
L _
IN
AP2
19
1D
SG
(IC
55
02
)
AP2
19
1
AP2
19
1
D
D
SG
SG
(IC
(IC
55
02
55
02
)
)
R
G
B
In
PC
A
udi
o
U
S
B
(Si
de
)
(JK
55
0
1
/2
)
S
PD
IF
J
K
80
2
S
PD
IF
_O
U
T
(J
K
703
)
D0/1/2+/
-, HDM
I_HP
D_1,CK+/
-_HDM
I1
DDC_
SCL
1/S
D
A1
HD
M
I1
In
(J
K
701
)
DD
C
_SCL
2/
S
DA
2
HD
M
I2
In
(J
K
702
)
DD
C
_SCL
3/
S
DA
3
HD
M
I3
In
IC7
01
HD
M
I
SWI
TCH
SI
I9
287
B
HD
M
I_
R
X
0+
/-,
R
X1
+/
-,R
X
2+
/-,
CLK
+/
-
HD
M
I_
SCL
/S
DA
P1302
M
_
Re
m
oc
on
M
_R
em
ot
e_
R
X
/ T
X
M
_R
F
M
odul
e_
r
es
et
D
C/
DD_M
R
EM
O
TE,
3D_
G
PI
O
_0
/1
/2
,3
D_
SY
N
C
_R
F
CVB
S
G
en
de
rJ
K
110
2
Com
p
G
end
er
JK1
10
1
A
V
2_
C
B
V
S_
IN
, AV
2_
C
V
B
S
_D
ET
;
A
V
2_
L/
R
_I
N
CO
M
P1
_Y
/P
b/
Pr
, C
O
M
P1_
D
ET
SC/C
O
M
P2
_R
/L
_I
N
,
SC
_D
ET
/C
O
M
P2
_DET
R
S2
32
C
(J
K
80
5)
R
S2
32
C I
C
M
A
X3
23
2C
D
R
IC8
03
R
S2
32
C I
C
R
S2
32
C I
C
M
A
X3
23
2C
D
R
M
A
X3
23
2C
D
R
IC8
03
IC8
03
Wi
re
le
ss
(J
K
100
1)
Wi
re
le
ss_
D
ET
,Wi
re
less_
PWR
_E
N
N
EC
_
M
ic
om
UPD7
8F
05
14
IC6
02
N
EC
_
M
ic
om
N
EC
_
M
ic
om
UPD7
8F
05
14
UPD7
8F
05
14
IC6
02
IC6
02
N
EC
_T
X
D
/R
X
D
N
EC
_I
S
P_
TX/
R
X
Wi
re
le
ss
_
SCL
/S
DA
(SCL2
/S
DA2
_3
.3
V)
E
PH
Y
_R
DN
/R
DP
ET
H
ER
N
ET
(J
K
140
1)
LAN
CN
:
TD
FR-C
056
D
,T
U2
20
2
HK
:
TD
FR-C2
56
D
,T
U2
20
2
CN
:
CN
:
TD
FR
TD
FR
-
-
C
056
D
,
C
056
D
,T
U2
20
2
TU2
20
2
HK
:
HK
:
TD
FR
TD
FR
-
-
C2
56
D
,
C2
56
D
,T
U2
20
2
TU2
20
2
Tune
r
(r
efe
r
to
pa
ge
3
)
SC/R
_C
IM
P2
_Pr
,SC
/B
_C
O
M
P2_
Pb,
SC
/G
_C
O
M
P2
_Y
Com
p
JK
11
05
CVB
S
JK
110
4
A
V
1_
C
B
V
S_
IN
, AV
1_
C
V
B
S
_D
ET
,A
V
1_
L/
R
_I
N
E
PH
Y
_A
CT
IVI
TY
/
LI
N
K,
E
PH
Y
_T
DP
/T
DP
DD
C
_SCL
4/
S
DA
4
HD
M
I4
In
(J
K
704
)
HD
M
I_
A
R
C
D0/1/2+/
-, HDM
I_HP
D_2,CK+/
-_HDM
I1
D0/1/2+/
-, HDM
I_HP
D_3,CK+/
-_HDM
I1
D0/1/2+/
-, HDM
I_HP
D_4,CK+/
-_HDM
I1
B
CM
_R
X/T
X
EEPRO
M
( I
C
80
1)
EEPRO
M
( I
C
80
1)
DSUB
_
H
/V SYN
C
EEPRO
M
( I
C
60
1)
EEPRO
M
( I
C
60
1)
EE
PR
O
M
_
SCL/
S
DA
AP2
19
1D
SG
(IC
55
01
)
AP2
19
1
AP2
19
1
D
D
SG
SG
(IC
(IC
55
01
55
01
)
)
SI
D
E
_U
S
B
_D
M
/DP
SI
D
E
_U
S
B
_O
C
D1
WI
FI
_D
M
/DP
SI
D
E
_U
S
B
_O
C
D2
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