Read LG 47LG50FD (CHASSIS:LB81A) Service Manual online
C
2008
- 18 -
BLOCK DIAGRAM
L
G
E
7
363C
(I
C
1
0
0
)
N
T
P
3000A
(I
C
8
02)
SP
(
R
+
/-
)
SP
(
L
+
/
)
)
-
P8
0
1
5
V
_A
N
T
_M
N
T
EEP
R
O
M
K
IA
7427
(I
C
1
01)
24C
5
1
2
(I
C
1
0
3
)
I2
C_
D_
T
U
/
I
2
C
_
A
_
T
U
KEY1
/
2
TV Tuner
B
OOS
T
E
R
SI
F
TV
_
C
V
B
S
DD
R
M
e
m
o
ry
*
2
256M
b
(
IC
200
/
2
01)
DS
U
B
_
R
/
G
/
B
P
C
_L
/
R
_I
N
COM
P
1
/
2
_
Y
/
P
b
/
P
r
COM
P
1
/
2
_
L
/
R
_
IN
D
S
U
B
_H
/
V
_S
Y
N
C
MAX
3
2
3
(I
C
6
0
1
)
D
DC/
U
A
R
T-T
x
/
R
x
PS
4
2
1
(I
C
7
0
5
)
HD
M
I_
I2C
HD
M
I
I2
C
_0
HD
M
I_
C
E
C
HD
M
I_
R
x
TM
D
S
HP
D
HP
D
HD
M
I
_
C
E
C
US
B
_
D
M
/
D
P
5V
_
H
D
M
I
TU
_
T
S_
D
A
TA
P
100
1
LE
D
_
G
/
R
&
I
R
Fl
a
s
h
Me
m
o
ry
8M
B
(
IC
1
07)
AV
_
R
O
U
T
AV
_
C
V
B
S
_
O
U
T
LC
D
P
a
n
e
l
FH
D
/
H
D
RE
S
E
T
I2
C
I/
O
E
x
p
a
n
d
e
r
(I
C
106)
I2
C_
D_
T
U
TS_Serial
Fl
a
s
h
Me
m
o
ry
8M
B
(
IC
1
05)
4
I/
O
E
x
p
a
n
d
e
r
(I
C
1
0
8
)F
R
C
O
n
ly
MS
_
L
R
C
H
/
LR
C
K
/
S
C
K
AM
P
_
R
S
T
ST
M
A
V
3
4
0
(I
C
5
00)
Y/
P
b
/
P
r
2
MC
7
4
H
C
(I
C
8
01)
Co
m
p
_
L/R
AV
_
L
O
U
T
H
D
C
P
EEP
R
O
M
(I
C
109)
YA
M
A
H
A
(I
C
8
0
3
)
SPK_
N
SPK_
P
F
H
D
: P
301
HD
: P
3
0
2
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