- 186 -
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
FB701
75
Q700
C
B
E
GND
IN
OUT
3
2
7
R
I
N
D
+VPWR
9
1
7
R
K
7.
4
U704
5
3
2
4
1
VOUT
VDD
GND
CE
D
N
G
P
KEY_TOUCH_2.8V
C716
2.2u
R722
DNI
C717
2.2u
U703
2
1
4
3
2
1
1
1
6
8
7
9
10
5
1
T
NI
CSB
GND
VDD
GNDIO
2
T
NI
S
P
SDO
SDX
VDDIO
NC
X
C
S
0
0
7
C
n
0
1
I
N
D
4
2
7
R
K
7.
4
8
1
7
R
VREG_SENSOR_IO_1.8V
VREG_SENSOR_2.6V
R703
100K
+VPWR
75
FB700
R700
100K
1u
C707
5
0
7
R
K
7
4
0
2
7
R
K
7.
4
K
7.
4
1
2
7
R
R717
100K
1u
C713
100n
C715
1u
C709
C710
2.2u
U701
5
3
2
4
1
VOUT
VIN
GND
STBY
D
N
G
P
VBAT
VREG_MOTOR_3.3V
U700
C3
C2
C1
B3
B2
B1
A3
A2
A1
SHDN
+IN
OUT-
GND1
GND2
VDD
BYP
-IN
OUT+
1
0
7
R
K
1
VREG_MOTOR_3.3V
U702
10
9
5
4
6
3
7
2
8
1
D
D
V
A
Y
D
R
D
D
N
G
L
C
S
G
E
R
V
P
P
V
INT
SDA
ADDR
DVDD
C711
1u
C712
10n
VREG_SENSOR_IO_1.8V
VREG_SENSOR_2.6V
C714
100n
MOTOR_N
MOTOR_P
MOTOR_EN
COMPASS_DRDY
MOTION_I2C_SCL
MOTION_I2C_SDA
COMPASS_I2C_SCL
COMPASS_I2C_SDA
VIB_PWM
KEY_TOUCH_LDO_EN
MOTION_INT1
MOTION_INT2
VIB_N
1%
MOTOR_3.3V_LDO
Q-coin MOTOR
Acceleration Sensor
Digital Compass
Changed at REVC
1%
KEY TOUCH_2.8V_LDO
Add key touch LDO
Changed at REVC