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LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
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ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ͑
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3.15 Proximity Sensor
When call connected, the object is moved nearer to the proximity sensor.
LCD backlight and Touch screen is disable operation automatically.
U700 : GP2AP002S00F IC used I2C interface to MSM7227
Figure. Proximity Sensor Schematic
Figure. Proximity Sensor Block Diagram
VREG_MSMP_2.6V
U700
5
4
6
3
7
2
8
1
LEDA
SCL
LEDC
SDA
VCC
VIO
VOUT
GND
C707
1u
R700
10
C708
0.1u
R703
10
VREG_PROX_2.8V
R702
4.7Kohms
R701
4.7Kohms
C709
4.7u
10u
C705
PROX_OUT
PROX_COMPASS_I2C_SCL
PROX_COMPASS_I2C_SDA