2. Scan product on Phoenix (CTRL+R)
3. Choose Testing
→
Display test.
4. Open the Lights tab, and check the Ambient light sensor check box. Click the Read button in order to get
the reference ambient light value. Cover the sensor and click Read again. When covered, the luminance
reading should be less than after clicking Read without covering the sensor.
5. If the component does not give any reading or the reading does not change when sensor is/is not covered,
replace the part.
Note:
The ALS calibration procedure requires a reference phone with a calibrated ALS.
RM-424; RM-564
BB Troubleshooting and Manual Tuning Guide
Issue 1
COMPANY CONFIDENTIAL
Page 3 –33
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