LG GD310 Service Manual page 120

8. CIRCUIT DIAGRAM
16 15
L
KEYPAD
K
KEY_ROW0
KEY_ROW1
J
KEY_ROW2
KEY_ROW3
I
KEY_ROW4
KEY_COL0
KEY_COL1
KEY_COL2
H
KEY_COL3
KEY_COL4
G
SIDE KEY_VOL
CN100
4
F
3
2
1
E
D
RPWRON
UART_TX
UART_RX
FLIP
KEY_BACKLIGHT
C
KEY_COL0
KEY_COL1
KEY_COL2
KEY_COL3
KEY_COL4
B
A
16 15
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
14 13 12 11 10
CLR FAV
CAMERA
KB12 KB6 KB1
1 2 3
LEFT
MENU
SW103 SW106 SW107 KB7 KB4
4 5 6
SW101 SW109 SW108 KB9 UP KB2 SEL
7 8 9 KB13 RIGHT KB3
SW104 SW102 SW100 SEND
* 0 # DOWN
KB5 SW105 KB10 KB11 KB8 CONF
VOL_UP
KEY_COL0
VOL_DOWN
KEY_COL1
KEY_ROW5
KEY TO MAIN CONNECTOR
2V62_VIO VBAT
CN101
TP_VBAT
1 30
TP_RPWON 2 29
MAIN_MIC_P
TP_TX 3 28
MAIN_MIC_N
TP_RX 4 27
5 26
VMIC_N
6 25
VMIC_P
7 24
END_KEY
8 23
KEY_ROW0
9 22
KEY_ROW1
10 21
KEY_ROW2
11 20
KEY_ROW3
12 19
KEY_ROW4
13 18
KEY_ROW5
14 17
15 16
TP_GND
GB042-30S-H10-E3000
14 13 12 11 10
9 8 7 6
KEY BACKLIGHT
VBAT
LD100 LEWWS44-E
R101
KEY_BACKLIGHT
2 1 47ohms
LD101 R100
2 1 47ohms
LEWWS44-E
9 8 7 6
- 121 -
5 4 3 2 1
END KEY
END VBAT
ON-END
END_KEY
MIC
MIC100
G4
6
VMIC_P PWR
5
VMIC_N G3
4
G2
3
MAIN_MIC_N G1
2
MAIN_MIC_P
OUT
1
SUMY0010610
SPM0410LR5H-QB
R102
DNI
GND|MAIN_MIC_N
FLIP SWITCH
2V62_VIO
U100 BU52031NVX
4 1
VDD OUT FLIP
3 2
NC GND
C102
C100
0.1uF 5
0.1uF
ANTENNA CONTACT
GND101 ANT100
R111 R112
0 0
CN102
R113
G1
ANT G2
0
UFL-R-SMT10
C101 C103
DNI 0.5p
5 4 3 2 1
L
K
J
I
H
G
F
E
D
C
B
A
LGE Internal Use Only