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8. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
L
K
J
I
H
G
F
E
D
C
B
A
L
K
J
I
H
G
F
E
D
C
B
A
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
SW100
SW101
KB4
SW102
KB10
5
0
0
1
_
R
E
T
SI
R
A
V
_I
N
D
5
0
1
A
V
SW103
KB8
KB1
SW104
KB13
SW105
KB7
KB2
SW106
KB3
KB11
SW107
SW108
KB6
KB5
SW109
KB9
KB12
TP_RX
TP_TX
TP_RPWON
GB042-30S-H10-E3000
CN101
16
15
17
14
18
13
19
12
20
11
21
10
22
9
23
8
24
7
25
6
26
5
27
4
28
3
29
2
30
1
VBAT
TP_GND
TP_VBAT
2V62_VIO
VBAT
R100
47ohms
47ohms
R101
R
F
0
5
1
X
5
0
5
0
N
V
CI
0
0
1
A
V
LEWWS44-E
LD101
1
2
4
0
1
A
V
R
F
0
5
1
X
5
0
5
0
N
V
CI
LEWWS44-E
LD100
1
2
CN102
UFL-R-SMT10
G1
ANT
G2
ON-END
VBAT
5
0
0
1
_
R
E
T
SI
R
A
V
_I
N
D
1
0
1
A
V
C100
0.1uF
C103
0.5p
ANT100
R113
0
C102
0.1uF
GND101
2V62_VIO
U100
BU52031NVX
5
3
2
4
1
OUT
VDD
GND
NC
D
N
G
P
MIC100
SUMY0010610
SPM0410LR5H-QB
6
5
4
3
2
1
OUT
G1
G2
G3
PWR
G4
R
F
0
5
1
V
1
0
1
5
0
5
0
L
V
CI
2
0
1
A
V
R
F
0
5
1
V
1
0
1
5
0
5
0
L
V
CI
3
0
1
A
V
CN100
4
3
2
1
DNI
C101
0
R111
5
0
0
1
_
R
E
T
SI
R
A
V
_I
N
D
6
0
1
A
V
5
0
0
1
_
R
E
T
SI
R
A
V
_I
N
D
7
0
1
A
V
0
R112
R102
DNI
KEY_ROW5
KEY_ROW5
KEY_ROW0
KEY_ROW0
KEY_COL3
KEY_COL3
KEY_COL2
KEY_COL2
KEY_COL1
KEY_COL1
KEY_COL1
KEY_COL0
KEY_COL0
KEY_COL0
KEY_ROW4
KEY_ROW4
KEY_ROW3
KEY_ROW3
KEY_ROW2
KEY_ROW2
KEY_ROW1
KEY_ROW1
VMIC_N
VMIC_N
UART_RX
UART_TX
RPWRON
VMIC_P
VMIC_P
MAIN_MIC_P
MAIN_MIC_P
FLIP
FLIP
KEY_BACKLIGHT
KEY_BACKLIGHT
END_KEY
END_KEY
KEY_COL4
KEY_COL4
MAIN_MIC_N
GND|MAIN_MIC_N
MAIN_MIC_N
VOL_DOWN
8
SIDE KEY_VOL
*
DOWN
5
CLR
9
CAMERA
2
#
MENU
RIGHT
KEYPAD
1
VOL_UP
UP
7
SEND
SEL
FAV
4
LEFT
3
0
CONF
6
KEY TO MAIN CONNECTOR
KEY BACKLIGHT
END
ANTENNA CONTACT
FLIP SWITCH
END KEY
MIC