8. CIRCUIT DIAGRAM
- 114 -
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Remote Power On
Battery Connector (ENZY0019401)
Change Connector For SMT
Add for Charging Trouble
SIM & MMC Connetor (ENSY0017901)
VBAT
CHARGING IC
100K
R407
R405
100K
C2
C3
C3
C5
C5
C6
C6
C7
C7
16
GND1
GND2
15
GND3
14
13
GND4
GND5
12
11
GND6
SWA
10
9
SWB
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
C1
C1
C2
S401
2K
R409
C415
100K
R413
1u
3
2
1u
C402
Q402
2SC5663
1
C411
47p
C412
27p
27p
C403
VCHG
R402
4.7K
47
R414
VIO_2V62
1
3
2
100K
R406
VIO_2V62
2SC5663
Q403
R416
100K
R410
3.3M
R415
100K
2.2u
C405
1000p
C406
3
100K
R412
CN401
D1
D2
1
2
C413
VMMC
VSIM_2V8
1u
C408
VRTC_2V0
10K
R411
DNI
C401
DNI
33K
R421
1uF
C407
3.3M
R408
100K
R404
VBUS_USB
R403
100K
R420
5.1K
15K
R419
R401
10K
C409
VBAT
2.2u
1
3
2
100K
R417
Q401
2SC5663
C404
DNI
100p
R418
1K
C410
12
2
VUSB
_CHG
4
_EN
5
3
_PPR
ISL9221
11
BAT
GND
8
IMIN
6
IUSB
7
IVDC
9
13
PGND
10
USB_BYP
VDC
1
VDC_BYP
C414
U401
CHG_PPR
1u
MMC_D(2)
SIM_CLK
SIM_RST
MMC_D(0)
MMC_D(1)
MMC_CMD
SIM_IO
BAT_ID
CHG_EOC
OVP_VUSB
OVP_VCHG
MMC_DETECT
MMC_CLK
MMC_D(3)
RPWRON_EN
END_KEY_IN
PWRON
RPWRON
END_KEY_IN
KP_IN(6)
KP_OUT(0)
END_KEY
CHG_EN
LGMC
4
5
F
8
F
9
10
11
12
A
2
1
6
3
4
5
6
1
5
6
9
10
3
A
B
6
7
E
E
G
H
C
D
B
C
D
E
F
G
H
C
D
E
F
G
H
G
H
1
2
3
4
5
7
8
9
10
7
8
9
10
11
12
1
2
11
12
2
3
4
7
8
11
12
C
D