Huawei Ascend - Receiver

Y210 Mobile Phone
Maintenance Manual
9 Principles and Failure Analysis
Issue 1.0 (2012-11-28)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
53
Troubleshooting Vibration Failure
Figure 9-30 Vibration failure
Vibration failure
Is the voltage on
VIB_DRV_N equal to
the battery voltage?
Replace D902
Replace the motor. Is the
problem solved?
Return the phone
to the factory
End
Y
N
Y
Re-install the phone's
firmware. Is the
problem solved?
End
Y
N
N
9.4.12 Receiver
The receiver receives differential earphone output from the MSM chip.