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7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3
G
A
B
2
1
0
2
4
e
r
a
c
t
’
n
o
D
=
X
e
h
t
s
t
r
o
p
p
u
s
h
c
a
e
d
n
a
s
t
r
o
p
e
v
i
e
c
e
r
d
n
a
b
d
a
o
r
b
e
r
a
4
X
R
d
n
a
,
3
X
R
,
2
X
R
,
1
X
R
C
0
1
X
)
5
6
0
_
O
I
P
G
(
)
6
6
0
_
O
I
P
G
(
1
F
F
.
s
d
n
a
b
0
0
9
1
S
C
P
,
0
0
8
1
S
C
D
,
0
0
9
M
S
G
,
0
5
8
M
S
G
0
E
A
H
D
N
A
B
A
P
1
2
1
1
1
5
5
E
F
E
9
H
)
3
7
0
_
O
I
P
G
(
H
0
0
1
9
1
0
1
D
7
2
1
1
H
0
2
5
1
e
d
o
M
4
3
0
A
0
3
X
R
1
1
1
2
X
X
T
_
B
H
0
9
8
1
1
S
B
A
1
1
X
T
_
B
L
2
S
B
D
1
6
G
0
1
)
0
7
0
_
O
I
P
G
(
2
1
1
1
1
0
1
1
1
0
1
0
)
0
6
0
_
O
I
P
G
(
C
D
6
G
8
4
E
2
X
R
F
G
X
4
B
8
6
)
4
7
0
_
O
I
P
G
(
3
2
3
4
X
R
)
2
7
0
_
O
I
P
G
(
8
1
6
5
1
7
X
7
1
D
N
E
_
X
T
7
9
X
1
X
R
y
b
d
n
a
t
S
1
C530
3
0
5
T
N
A
34
35
PGND5
PGND6
36
11
RX1
RX2
12
13
RX3
RX4
14
N
E
_
X
T
4
30
VBATT
C
I
G
O
L
V
2
3
P
M
A
R
V
5.6p
4
1
D
N
G
GND15
25
26
GND16
28
GND17
2
D
N
G
7
8
3
D
N
G
4
D
N
G
9
10
GND5
GND6
15
16
GND7
8
D
N
G
8
1
9
1
9
D
N
G
27
GSM_IN
31
PGND1
PGND2
32
33
PGND3
PGND4
2
0
5
U
1
3
5
7
7
Y
K
S
1
0
2
5
0
0
0
H
R
M
S
T
N
A
7
1
1
S
B
5
2
S
B
6
DCS_PCS_IN
29
1
GND1
0
2
0
1
D
N
G
1
1
D
N
G
1
2
2
2
2
1
D
N
G
3
1
D
N
G
3
2
4
2
L505
5.6nH
10p
C528
p
9
3
1
1
5
C
6
5
2
0
5
T
N
A
u
1
.
0
5
0
5
R
5
0
5
C
C524
H
n
3
.
3
1
1
5
L
27p
u
1
.
0
3
0
5
C
m
h
o
0
0
1
9
0
5
R
m
h
o
0
0
1
8
0
5
R
H
n
7
.
2
8
0
5
L
3
1
5
C
p
7
4
p
0
0
0
1
1
0
5
C
p
2
2
1
2
5
C
10p
C
533
C534
10p
u
1
.
0
1
0
5
T
N
A
8
0
5
C
1
0
5
W
S
0
0
0
3
E
-
2
2
H
-
S
2
-
2
0
3
S
R
G
1
0
3
6
0
0
0
Y
W
N
E
ANT
G1
G2
RF
9
1
5
C
p
0
0
1
1
O
D
L
V
5
1
5
C
0
2
5
C
p
2
2
p
0
0
1
1
O
D
L
V
22p
C531
DNI
R512
100p
C522
I
N
D
1
0
5
R
p
7
4
1
1
5
R
0
0
F
0
N
C
M
1
8
8
N
E
W
A
S
1
D
N
G
2
3
2
D
N
G
5
3
D
N
G
4
D
N
G
0
1
5
_
1
8
8
_
N
I
4
5
_
2
4
9
_
N
I
1
1
_
5
_
1
8
8
_
T
U
O
7
6
2
_
5
_
1
8
8
_
T
U
O
1
_
5
_
2
4
9
_
T
U
O
9
8
2
_
5
_
2
4
9
_
T
U
O
2
0
8
1
0
0
0
B
S
F
S
2
0
5
L
F
K
1
7
0
5
R
u
1
0
.
0
0
1
5
C
u
1
.
0
4
0
5
C
n
0
2
2
9
0
5
C
C529
Q
B
B
_
C
C
V
4
2
E
F
_
C
C
V
1
7
1
F
E
R
_
C
C
V
12
VCC_TXVCO
13
VDD
15
VLDO1
16
VLDO2
VLDO3
9
5.6p
RX1800
28
27
RX1800B
RX1900
26
RX1900B
25
RX850
32
31
RX850B
RX900
30
29
RX900B
K
L
C
S
6
5
A
T
A
D
S
N
E
S
7
11
TXOP_HI
TXOP_LO
10
C
N
_
C
F
A
V
8
1
14
VBAT
4
I
B
B
_
C
C
V
33
GND
2
I
B
I
3
8
C
N
3
2
Q
B
Q
2
2
0
2
N
I
F
E
R
B
N
I
F
E
R
9
1
P
O
_
F
E
R
1
2
T
X
E
V
_
3
9
V
2
1
0
5
U
8
4
5
6
D
A
1
0
1
0
8
2
0
Y
S
U
E
7
1
5
C
p
9
3
m
h
o
0
0
1
0
1
5
R
4
1
5
C
L504
O
X
C
V
_
5
7
V
2
u
1
6.8nH
u
1
.
0
7
0
5
C
H
n
8
1
3
0
5
L
H
n
2
.
1
9
0
5
L
H
n
8
1
2
0
5
L
8
1
5
C
1
5
4
0
5
R
2
0
5
C
p
0
0
1
u
1
.
0
1
O
D
L
V
H
n
5
.
1
0
1
5
L
m
h
o
0
0
1
6
0
5
R
p
9
3
6
1
5
C
10
R503
6
0
5
C
3.9nH
p
7
2
4
3
T
A
B
V
L501
1
0
2
5
2
0
0
Y
X
X
E
M
6
2
-
G
1
2
3
X
S
D
1
0
5
X
z
H
M
6
2
1
2
C523
3
9p
u
7
4
2
1
5
C
2
0
9
1
0
0
0
B
S
F
S
0
0
F
0
N
C
4
8
G
1
N
E
W
A
S
1
0
5
L
F
1
D
N
G
2
3
2
D
N
G
5
3
D
N
G
4
D
N
G
0
1
5
_
2
4
8
1
_
N
I
4
0
6
9
1
_
N
I
1
1
_
5
_
2
4
8
1
_
T
U
O
7
6
2
_
5
_
2
4
8
1
_
T
U
O
1
_
0
6
9
1
_
T
U
O
9
8
2
_
0
6
9
1
_
T
U
O
18nH
L507
T
A
B
V
K
0
1
2
0
5
R
L506
18nH
100p
C526
C525
C527
10p
100p
1
W
S
_
T
N
A
D
N
A
B
_
A
P
N
E
_
A
P
2
W
S
_
T
N
A
22p
C532
M
6
2
P
M
A
R
_
X
T
T
B
_
M
6
2
N
E
_
S
K
L
C
_
S
A
T
A
D
_
S
N
I
N
Q
C
F
A
P
Q
P
I