G-Sensor - Huawei YU220 Service Manual

YU220 service manualV1.0
Firstly exchange a new motor to make sure it is not noumenon problem,
and then judge capacitance C1014 whether over to ground short circuit,
lastly judge U501 is chip problem, change new one that can solve problem.；

G-SENSOR

1.19.2
G-SENSOR circuit：
Firstly judge voltage 1.8Vwhether normal, if it is abnormal, check it whether
short circuit, it can judge order chip or PMIC problem if it is short circuit.
If the voltage is normal, you need to determine whether
the normal I2C signal output, and whether there ENIT, the final
judgment this bad chip
If it still have problem then can make sure U301 bad, change new one can
solve problem.
Huawei secrets, no dispersion without permission
2013-10-18