Compass Sensor On/Off Trouble Shooting - LG -P715 Service Manual

4.22 Compass Sensor on/off Trouble Shooting

Compass Sensor is worked as below :
Compass Sensor function On
Yes
Check Motion 12C_SDA / SCL output
Measurement
VREG_MSME_1.8V
SENSOR_I2C_SCL / SDA
COMPASS_DRDY
LGE Internal Use Only
START
Compass Sensor Function on
Change the position of the phone
The direction is correct?
No
Yes
Check COMPASS_DRDY output
Yes
Work well?
Yes
END
No
Change the motion sensor (U7002)
No
Change the motion sensor (U7002)
No
Change the Main Board
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4. TROUBLE SHOOTING
Only for training and service purposes