- 131 -
8. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
2
A
1
1
D
E
0
0
F
0
L
F
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7
9
8
A
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A
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:
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B
5
5
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0
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1
8
8
B
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:
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B
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A
B
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2
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7
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2
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3
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4
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4
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C
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2
0
1
2
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1
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u
1
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0
H
n
7
4
0
9
0
1
L
RFGNDH1
RFGNDH2
5
8
1
M
D
N
G
F
R
2
M
D
N
G
F
R
9
H
N
I
F
R
7
10
RFINL
6
M
N
I
F
R
5
1
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T
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O
F
R
4
1
L
T
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F
R
M
T
U
O
F
R
6
1
RREF
13
VCC
3
12
VEN1
VEN2
11
VGS
2
5
3
7
A
G
B
6
0
6
U
1
NC
7
1
D
N
G
P
4
F
R
V
_
5
8
V
2
H2
VDDTXFE2V8
K5
VDDTXPLL1V5
G2
J2
VDDTXVCO2V8
B6
VDDVCO2V8
H
n
8
.
1
1
0
0
1
C
VDDDIGANA1V5
B8
VDDFSYS2V8
VDDLDO1V85
G3
VDDLNA1V5
D3
K8
VDDMIX2V8
VDDRX1V5
B4
C4
VDDRX2V8
A3
VDDRXBB1V5
B11
VDDRXCP2V8
F9
VDDRXFE2V8
VDDRXIO2V8
A7
B7
VDDRXPLL1V5
VDDRXVCO2V8
A10
VDDTX1V5
J5
VDDTX2V8
K6
VDDTXBB2V8
K11
VDDTXCP2V8
I
X
T
9
J
X
I
X
T
5
L
H
T
U
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X
T
X
H
T
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T
6
L
3
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L
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X
L
T
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T
4
L
9
L
M
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T
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T
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T
0
1
L
2
L
Q
X
T
1
K
X
Q
X
T
S
A
I
B
V
4
J
5
C
C
R
_
O
C
V
VDD1V5
F2
VDDBIAS2V8
J3
VDDBUS1V85
F3
J10
VDDDIG2V8
E9
1
1
F
L
N
I
X
R
1
1
C
X
L
N
I
X
R
1
1
D
1
1
G
M
N
I
X
R
1
1
H
X
M
N
I
X
R
X
I
X
R
6
C
4
A
Q
X
R
X
Q
X
R
5
A
1
X
T
7
L
8
L
2
X
T
1
D
N
A
B
X
T
0
1
H
0
1
G
2
D
N
A
B
X
T
3
D
N
A
B
X
T
0
1
F
N
E
X
T
3
K
5
H
C
G
X
T
E
D
O
M
S
H
X
T
4
K
0
1
K
L11
7
H
Q
8
H
X
Q
1
X
R
1
H
1
J
X
1
X
R
2
X
R
1
F
1
G
X
2
X
R
3
X
R
1
D
1
E
X
3
X
R
4
X
R
1
B
1
C
X
4
X
R
8
F
1
D
N
A
B
X
R
2
D
N
A
B
X
R
0
1
E
0
1
D
3
D
N
A
B
X
R
6
A
I
X
R
1
1
E
H
N
I
X
R
X
H
N
I
X
R
J7
GND29
K7
GND3
C8 C10
GND4
GND5
D4 D5
GND6 GND7
D6
D7
GND8
GND9
D8
I
9
K
8
J
X
I
1
1
J
D
L
N
O
R
E
T
S
A
M
3
C
A1
NC1
NC2
A11
L1
NC3
NC4
GND13
E7
GND14
E8
GND15
GND16
F4
F5
GND17
GND18
F6
GND19
F7
B9
GND2
G4
GND20
GND21
G5
GND22
G6
G7
GND23
GND24
G8
H4
GND25
GND26
H6
J6
GND27
GND28
C
G
P
A
D
9
H
M
P
_
A
D
3
E
N
E
C
G
P
N
E
2
D
7
C
M
P
_
N
E
1
E
F
2
K
3
H
2
E
F
G
3
_
N
I
S
Y
S
F
8
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M
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0
1
B
9
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1
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2
T
U
O
S
Y
S
F
9
C
9
D
3
T
U
O
S
Y
S
F
GND1
B5
E2
GND10
E4
GND11 GND12
E5
E6
4
4
0
0
1
U
2
5
9
6
B
M
P
3
B
K
L
C
C
G
P
K
L
C
2
C
9
G
M
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L
C
A
D
2
A
2
B
2
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4
1
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7
1
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N
2
3
D
N
G
C
C
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5
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6
2
1
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1
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6
2
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1
2
3
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S
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2
D
N
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T
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3
1
T
N
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C
V
D
D
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4
2
0
0
1
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3
2
4
D
N
G
5
D
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4
2
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T
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M
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E
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0
5
8
M
S
G
1
1
2
1
1
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R
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0
5
8
M
S
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3
1
2
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R
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5
8
M
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9
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T
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C
P
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C
P
1
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C
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6
1
2
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C
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7
1
1
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R
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C
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8
1
9
1
2
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R
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VDD
7
2
2
0
0
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1
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A
M
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C
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0
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1
2
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A
M
D
C
W
0
2
0
5
8
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A
M
D
C
W
1
2
2
T
N
A
CTRL1
3
CTRL2
4
5
CTRL3
6
CTRL4
1
X
R
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M
S
G
E
4
1
5
1
2
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R
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M
S
G
E
1
1
D
N
G
8
2
D
N
G
0
1
3
D
N
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5
1
1
1
C
1
0
0
1
L
F
7
1
0
5
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3
D
N
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N
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0
0
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5
8
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7
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3
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3
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3
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5
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6
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Содержание GM310
Страница 1: ...Service Manual Model GM310 Internal Use Only Service Manual GM310 Date April 2009 Issue 1 0 ...
Страница 141: ... 142 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 159: ... 160 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...