Motion Sensor - LG -E510 Service Manual

3.17 Motion Sensor

According to tilt the cell phone, the screen is had rotated automatically.
U701 : KR3DH IC used I2C interface to MSM7227T
a
ADC1 - ADC Input 1
ADC - ADC Input 
ADC3 - ADC Input 3
TEMPERATURE
SELF TEST REFERENCE
LGE Internal Use Only
VREG_MOTION_2.6V
13
ADC3
12
GND2
11
MOTION_INT INT1
10
RES
9
INT2
Figure. Motion Sensor Schematic
X+
CHARGE
Y+
AMPLIFIER
Z+
MUX
Z-
Y-
X-
SENSOR
TRIMMING
CIRCUITS
Figure. Motion Sensor Block Diagram
C701
10u
1
VDD_IO
2
NC1
U701
3
NC2
4
SCL_SPC
5
GND1
A/D
CONVERTER 1
CONTROL
LOGIC
A/D
CONVERTER 
3 Level
CLOCK
FLFO
- 61 - Copyright © 011 LG Electronics. Inc. All right reserved.
3. TECHNICAL BRIEF
MOTION_I2C_SCL
MOTION_I2C_SDA
CS
SCL/SPC
1C
SDA/SDO/SDI
SPI
SDO/SA0
CONTOROL LOGIC INT 1
&
INT 
INTERRUPT GEN.
Only for training and service purposes