4. TROUBLE SHOOTING
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4.16 Compass Sensor on/off trouble
Compass Sensor is worked as below :
Compass Sensor function On
Measurement
VREG_MOTION_3.0V(TP1)
COMPASS_DRDY(TP2)
PROX_COMPASS_I2C_SCL(TP3)
PROX_COMPASS_I2C_SDA(TP4)
Change the position of the phone
The direction is correct?
No
TP1 check
No
Yes
TP3, TP4 check
START
END
Change the PMIC
No
Yes
Compass Sensor function On
Change the Motion senser U604
Yes
TP check
No
Change the Main Board
Yes
Work well?
No
Change the Main Board
Yes