4. TROUBLE SHOOTING
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4.16 Compass Sensor on/off Trouble Shooting
Compass Sensor is worked as below : Compass Sensor function On
Measurement
VREG_COMPASS_.6V
COMPASS_IC_SCL / SDA
COMPASS_DRDY
Chang the position of thr phone
The direction is correct?
No
Check the
COMPASS_DRDY (TP1) &
COMPASS_IC_SDA(TP) /
SCL (TP3)
No
Yes
Work well?
START
END
Change the Compass Sensor U700
No
Yes
Compass Sensor function On
Chang the main board
Yes