LG -V909DW Service Manual page 115

SENSOR_I2C_SDA
LGE Internal Use Only
AMBIENT_3V3
U1600
BH1721FVC
1
VCC
2
GND
3
SDA
C1602
1u
U1600 BH1721FVC
Ambient Light Sensor
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4. TROUBLE SHOOTING
AMBIENT_3V3
5
SCL
TP2 (I2C Clock
4
DVI
Copyright © 2011 LG Electronics. Inc. All right reserved.
TP1 (AMB_3.3V)
SENSOR_I2C_SCL
AMBIENT_RST
Only for training and service purposes