LG LG-V909DW - CHARGER, LOAD SWs

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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
VDD_5V0
V_USB
114C n074
V_USB
USB1_VBUS
104DZ
C409
0.1u
Q405
D
G
S
R419
1M
R407 DNI
Q406
D
G
S
V_TCH_POWER
VL
n074014C
D401
2
3
1
A1
C
A2
M1024R
CN401
1
2
3
4
5
G2
G1
Q404
5
32
41
VOUT
EN
GND VIN
DNGP
Q412
7
8
43 52
61
1D
4D
2D 3D
G 1S2S
5D
V_CHG_FET
V_CHG_FET
Q407
D
G
S
514C n074
V_BAT
C423
0.1u
VDD_5V0_HDMI
VL
C402 10u
304Cu01
VL
004Q
S
G
D
u1414C
V_POWERRAIL
K074
714R
V_POWERRAIL
334C u1
204R K074
V_TCH_3V3
014R
K074
K074104R
U402
4 3
5 2
6 1
S
B1
VCCGND
AB0
n074724C
VDD_3V3_ALWAYS
314C u1
C412
1u
624C u1
C429
1u
VDD_5V0
V_LDO3_3V3
Q403
D
G
S
470KR429
FB400
ZD400
V_BAT
u1604C
614R M1
V_AC
K074004R
M1514R
u7.4704C
0.1uC401
V_AC
004C u7.4
U401
9
7 4
8 1
6
5
3 2
CELL
VDD
SEO
EO
CTGSDA
GNDSCL
DNGP
V_BAT
V_BAT
150
R404
150
R405
100K
R406
C405
1u
V_LDO4_1V8
814R
K001
C428
0.1u
V_POWERRAIL
U403
4 3
5 2
6 1
S
B1
VCCGND
AB0
V_POWERRAIL
L400 1u
V_POWERRAIL
R411
10K
1u
C425
C424
10n
K074
414R
V_LDO4_1V8
304R
K074
V_USB
Q402
5
3 2
4 1
VOUT
EN
GNDVIN
DNGP
Q401
5
3 2
4 1
VOUT
EN
GNDVIN
DNGP
R408 820
R422
10K
1u
C404
Q410
7
8
43 52
61
1D
4D
2D 3D
G 1S2S
5D
R409 8.2K
R423 0
Q408
5
3 2
4 1
VOUTEN
GNDVIN
DNGP
0R421
R412
62K
U400
5
6
4
7
9
10
8
11
12
13
17
14
28
15
18
16
21
19
20
25
27
29
24
26
3
22
2
23
1
PG1
SYS1
PG2
_CHG
DC1
CS2
SYS2
BGND
LX1
CS1
BAT1
_UOK
BAT2
THM
_FLT
USUS
LX2
_CEN
USB
ISET
GND
IDC
_DOK
CT
VL
IUSB
DC2
BST
DCM
1u
C431
n074234C
Q409
5
3 2
4 1
VOUTEN
GNDVIN
DNGP
VDD_5V0_HDMI
VDD_5V0
IND
234R
334R
IND
434R 0
804C IND
034C p001
PWR_I2C_SCL
PWR_I2C_SDA
CHG_EN_N
CHG_STAT_N
CHG_FAULT_N
USB_SUSPEND
UAC_IN
USB_HOST_EN
USB_HOST_E
N
USB_HOST_EN
USB_DET_N
AC_DET
BAT_THM
BAT_THM
TOUCH_IO_EN
TOUCH_PWR_EN
AC_OK_N
AC_OK_N
AC_OK_N
THM_VTG_SEL
VDD_5V0_HDMI_EN
5V (USB HOST)
ZD400 must be placed closely to CN401
CHARGER, LOAD SW's
from 0 to 45 celsius
Charger (1.5A)
Touch Panel Main Voltage
Fuel Gauge
USB
Touch Panel IO Voltage
Battery Connector
USB Charging Current : 500mA
3.0mm
3.0mm
3.0mm
3.0mm
mm0.3
3.0mm
3.0mm
5V (HDMI, WLED)