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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
U401
EAN62339701
LP8727-B
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
C401
1u
TP401
TP416
TP415
33p
C417
C406
33u
40
4
A
V
C416
0.1u
C418
DNI
10
4
L
n6
5
56n
L402
R408
4.7
CN402
3
2
1
D1
D2
TP414
TP413
TP412
TP411
TP410
TP409
TP408
TP407
TP406
TP405
TP404
TP403
TP402
TP417
TP420
TP419
TP418
I
N
D
50
4
A
V
60
4
A
V
I
N
D
ZD401
C407
33p
04-5161-005-101-868+
EAG63149901
CN401
11
10
9
5
4
3
2
1
8
7
6
GB042-10S-H10-E3000
CN403
6
5
7
4
8
3
9
2
10
1
R410
2.2K
ZD402
10K
R402
41
4
C
u1
C410
22pF
VB401
2
1
1u
C412
CN404
3
2
1
FB401
1800
2.2u
C409
VA403
C402
22pF
ZD404
VTOUCH_3V0
K7.
4
21
4
R
R407
10
VDD_IO_1V8
VA401
ZD403
VBAT
VUSB_CHG_IN
R405
10
680
R421
CN405
4
3
2
1
R403
51K
R409
100K
VA407
R419
680
VDD_IO_1V8
VA409
VA408
6.8K
R413
C415
0.1u
VA402
VBACKUP_BAT
680
R420
FL401
IN
OUT
GND1
GND2
C408
10n
R401
47K
R406
10
u1
31
4
C
VDD_IO_1V8
VBAT
VDD_IO_1V8
VUSB_CHG_IN
C411
1u
1u
C405
33p
C404
R418
100K
1K
R417
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_IN[3]
KEY_OUT[2]
VIB_P
MUIC_IO_P
MUIC_IO_P
MUIC_IO_M
MUIC_IO_M
MUIC_INT_N
TOUCH_ID
KEY_IN[1]
TOUCH_INT
ESD GND
SIDE KEY INTERFACE
SEND
Line Width: 2mm
X
MINI ABB ( MUIC + CHARGE ID)
(1%)
MOTOR
KEY_OUT2
KEY_OUT3
CLR
4-5-1-1 Battery Connector
4-2-3-1 Micro-USB 5pin normal
END
Vol_UP
Vol_down
KEY_IN3
KEY_IN1
No7=NC(VDDIO)
KEY_IN0
C-Touch Connector
DNI
DNI
No9=NC(reset)
POWER ON