4. TROUBLE SHOOTING
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Only for training and service purposes
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4.21 Motion Sensor on/o Trouble Shooting
Motion Sensor is worked as below :
Accelerometer Sensor function On -> Tilt the phone (90˚) -> The screen is had rotated automatic
Measurement
VREG_MSME_1.8V
MOTION_INT
SENSOR_I2C_SDA / SCL
Accelerometer Sensor function on
Change the motion sensor U7002
Change the motion sensor U7002
Change the Main Board
Tilt the phone
Check Motion 12C_SDA / SCL output
Check Motion_INT output
Work well?
The Screen is rotated?
No
No
No
No
Yes
Yes
Yes
Yes
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