Digital Ambient Light Sensor (Als) - Nokia RM-506 Service Manual

RM-505; RM-506
System Module and User Interface

Digital Ambient Light Sensor (ALS)

The Digital Ambient Light Sensor (N503 on Tilt FPC) approximates ambient light. Ambient light level together
with CABC and user settings adjust the display and keyboard illumination brightness. The Ambient Light
Sensor is located on the upper flex.
Figure 79 Digital Ambient Light Sensor location
It is connected to the I2C bus, and powered by the VOUT (2.5V) voltage.
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