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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
0.1u
C913
C909
0.1u
30
9
R
I
N
D
FB903
U1
52
12 02
22
91
32
42
18
17
9
8
01
7
11
6
21
5
13
4
14
3
15
2
16
1
CLKIN
NC7
NC1
NC6
NC2
NC5
NC3
VDD
NC4
T
NI
IME_DA
C
N
Y
SF
L
C_
E
MI
T
U
O
G
E
R
CI
G
OL
V
0
D
A
NC8
GND
A
D
S
L
C
S
1
V
S
E
R
T
U
O
KL
C
T
U
O
P
C
2
V
S
E
R
9
C
N
80
9
C
u1.
0
C910
0.1u
ACCEL_3V3
V_LDO0_3V3
C911
33n
U900
5
4
6
3
7
2
8
1
VL
VCC
IO_VL1
IO_VCC1
IO_VL2
IO_VCC2
GND
EN
U901
KR3DH
61
7
6
5
4
8
3
9
2
10
1
11
12
13
41
51
2
D
E
V
R
E
S
E
R
D
D
V
GND3
GND2
INT1
VDD_IO
RESERVED1
NC1
INT2
NC2
S
C
SCL_SPC
GND1
O
D
S_I
D
S_
A
D
S
0
A
S_
O
D
S
4
D
N
G
VDD_1V8
U906
5
4
6
3
7
2
8
1
VL
VCC
IO_VL1
IO_VCC1
IO_VL2
IO_VCC2
GND
EN
FB920
C912
4.7u
TP906
TP908
04
9
R
K2.
2
14
9
R
K2.
2
n2.
2
70
9
C
GYRO_3V3
GYRO_3V3
40
9P
T
70
9P
T
VDD_1V8
V_TCH_3V3
63
9
R
K7.
4
K7.
4
53
9
R
GYRO_3V3
V_LDO0_3V3
FB902
C914
10p
TP900
COMPASS_3V3
COMPASS_3V3
10n
C901
470n
C900
TP901
AMI304
U903
12
11
10
9
5
4
6
3
7
2
8
1
D
D
V
D
G
E
R
V
A
D
N
G
S
D
N
G
D
D
V
A
ADDR
SCL
NC1
T
N
I
VPP
DRDY
SDA
CN900
6
5
7
4
8
3
9
2
10
1
V_TCH_POWER
V_LDO0_3V3
COMPASS_3V3
V_LDO0_3V3
ACCEL_3V3
V_TCH_3V3
GND
ACCEL_INT
COMPASS_DRDY
GEN2_I2C_SDA
GEN2_I2C_SCL
GEN1_I2C_SCL
GEN1_I2C_SDA
TOUCH_INT_N
TOUCH_RESET_N
TOUCH_I2C_SCL
TOUCH_I2C_SCL
TOUCH_I2C_SDA
TOUCH_I2C_SDA
TOUCH_ID
N_
T
NI
_
O
RY
G
L
C_
E
MI
IME_CL
IME_DA
A
D_
E
MI
L
C
S
_
C
2
I
_
R
O
S
N
E
S
SENSOR_I2C_SCL
SENSOR_I2C_SCL
A
D
S
_
C
2
I
_
R
O
S
N
E
S
SENSOR_I2C_SDA
SENSOR_I2C_SDA
Level Shifter for Sensor I2C
Gyro Sensor
Sensors
Accelerometer
Compass
Touch
8.9" Touch Screen
Level Shifter for Touch Panel I2C