LG KM710 Service Manual page 116

7. CIRCUIT DIAGRAM
1 2
A
BATTERY TERMINAL
VBAT
VBATS
R701 20K 3
BATT_INSERT
2 4
1
C702 C700
CN700
10u
27p
B
VRSIM
J700 HSSC-8P-18
5
GND1
R711 1K
6
SIM_PWRCTRL VPP
7
SIM_IO IO
8
RSV2
9
C704 GND2
10
120p GND3 GND4
C
LCD CHARGE PUMP
VBAT
D
C708
1u
LCD_BL_ENM
LCD_BL_ENS
VA708 VA709
EVLC5S02100 EVLC5S02100
E
1 2
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3 4 5
KEYPAD BACKLIGHT
BACKUP BATTERY
VBACKUP
C701 R703
BAT700
0.1uF
10
LD700 C
SSC-SWTS1007
SIM CARD
VRSIM
1
VCC
2
RST SIM_RST
3
CLK SIM_CLK
4
RSV1
11
GND5 C705 C703 C706
12
0.1u 150p 150p
1u C707
3 7
IN OUT LED_OUT
1 14
GND LED1 LED_CA1
13
LED2 LED_CA2
U700
12
LED3 LED_CA3
MAX8630XETD20+T
11
LED4 SLED_CA1
9 10
ENM LED5 SLED_CA2
8 15
ENS P_GND
C710
2.2u
1u C709
3 4 5
6 7
R700 150
VBAT
KBR(0)
R702 150
R704 KBR(1)
10
LD701
R705 150
KBR(2)
SSC-SWTS1007
LED_MAINKEY
R706 150
KBC(0)
R707 150
KBC(1)
R708 150
KBC(2)
R709 150
KBC(3)
R710 150
KBC(4)
INSTPAR
SIDE_KEY_VOL
CN701
1
2
3
4
CN702
1
2
3
4
5
- 117 -
8 9 10
KEYPAD
AST SEND
1 4 7
KB700 KB701 KB702 KB703 KB704
CLR
2 5 8 0
KB705 KB706 KB707 KB708 KB709
3 6 9 SHP
KB710 KB711 KB712 KB713
INSTPAR
END
INSTPAR
KB714
INSTPAR
INSTPAR
INSTPAR
R712 150
PWON
R713 150
KBC(1)
R714 150
SIDE_KEY_UP/DOWN
KBC(0)
R715 150
KBR(3)
R716 150
KBC(3)
R717 150
KBC(4)
R718 150 SIDE_KEY_MUSIC_CAM
KBC(2)
R719 150
KBC(5)
R720 150
KBR(3)
LGE Internal Use Only
A
B
C
D