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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
VUSB_CHG_IN
CN403
4
3
2
1
ZD404
CN402
3
2
1
D1
D2
100u
C410
2.2K
R406
VA401
C401
0.1u
VUSB_CHG_IN
R400
47K
VDD_IO_1V8
VBAT
1u
C400
SC401
1
10K
R410
VDD_IO_1V8
CN405
3
2
1
ZD402
FB401
1800
10p
C411
CN401
11
10
9
5
4
3
2
1
8
7
6
ZD405
U401
C5
D2
B5
D3
D1
E1
E2
E3
E5
E4
A1
C1
B1
A4
A5
A3
A2
D5
4
D
4
C
3
C
2
C
2
B
3
B
4
B
L
C
S
A
D
S
¬
¡
T
N
I
1
D
N
G
2
D
N
G
3
D
N
G
4
D
N
G
BATT2
DN
DP
U1
U2
AUD1
AUD2
MIC
VBUS1
VBUS2
D-
D+
ID
RES
DSS
EXPDET
CAP
BATT1
C403
1u
1u
C402
0.1u
C414
10
R414
VDD_IO_1V8
C412
27p
C413
47p
VBAT
TP400
VA402
680
R415
680
R419
680
R420
D404
D402
D403
KB403
KB402
680
R418
KB401
300pF
FL401
IN
OUT
GND1
GND2
51K
R421
R422
100K
R427
0
ZD401
6.8K
R413
0.1u
C409
VBACKUP_BAT
R425
10
R426
10
R428
0
22pF
C408
56n
L402
L401
56n
C416
1u
33p
C415
VB401
2
1
U402
B2
D1
C3
A2
D3
C2
A3
D2
B3
A1
C1
B1
NIRQ
SDA
AUX
Y+
GND
X+
NRST
Y-
VDD
X-
SCL
A0
TP401
VDD_IO_1V8
0.1u
C417
ZD403
CN404
4
3
2
1
D401
R417
100K
1K
R416
USB_DP
USB_DM
PWRON
UART_TX
MUIC_ACC_ID
MUIC_ACC_ID
UART_RX
VUSB_LDO_4V9
BAT_TEMP
I2C_SDA
I2C_SDA
I2C_SCL
I2C_SCL
KEY_OUT[3]
Y-
Y-
Y+
Y+
X+
X+
KEY_IN[3]
PWR_HOLD
PWR_HOLD
KEY_OUT[2]
VIB_P
MUIC_IO_P
MUIC_IO_P
MUIC_IO_M
MUIC_IO_M
X-
X-
MUIC_INT_N
KEY_IN[1]
TOUCH_RST
TOUCH_INT
GPS_ANT2
SEND
CLR
KEYPAD INTERFACE
SHIELD CAN
MINI ABB ( MUIC + CHARGE ID)
OK
(1%)
MOTOR
4-5-1-1 Battery Connector
4-2-3-1 Micro-USB 5pin normal
m
m2
:ht
di
W
eni
L
ENZY0020701
TOUCH CONNECTOR
PWR/HOLD
POWER ON
TOUCH IC
BOM Change : ENRY0010501