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9.5 Vibration Failure
Reference Figure 9-3
2011-05-28
U8510-1 Maintenance Manual Basic Version V1.0
Vibration failure
Supply voltage (3V)
for Motor, and then check
whether it is vibrate?
Y
Measure whether
the D1401 is normal?
Y
Replace the U201
U201
MOTOR
Figure 9-3
Huawei confidential. No spreading without permission.
Replace the
N
Motor
Replace the
N
D1401
VIB_DRV_N
U201
Test C1402
D1401 Schottky Diode
Internal
4.2V
/
Page 38 of 61
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