LG LG-P970 - Proximity Sensor

3. TECHNICAL BRIEF
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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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3.20 Proximity Sensor
When the call is connected and the object close to the proximity sensor,
LCD backlight and Touch screen are disable operation automatically.
U102(VT_CAM FPCB) : GP2AP002S00F IC used I2C interface to OMAP3630
Figure. Proximity Sensor Schematic
Figure. Proximity Sensor Block Diagram
G
C107
0.1u
C105
1u
4.7u
C106
U102
54
63
72
81
LEDA SCL
LEDC SDA
VCC VIO
VOUT
GND
1.8V_VIO
I2C3_SDA
I2C3_SCL
PROX_OUT
PROXI_VCC PROXI_LEDA