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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. Technical Brief
When call connected, the object is moved nearer to the proximity sensor.
LCD backlight and Touch screen is disable operation automatically.
U1 : GP2AP002S00F is Optical proximity sensor. [LCD_FPCB]
3.16. Proximity Sensor
PMIC(U33)
VREG_PROX
_2.8V
MSM7200A(U302)
GPIO88 : PROX_OUT
GPIO89 : PROX_I2C_SDA
GPIO90 : PROX_I2C_SCL
Figure. Proximity Sensor Schematic
Figure. Proximity Sensor Block Diagram
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