Vibration Failure - Huawei U9200 Maintenance Manual

9.5 Vibration Failure

Figure 9-9 Vibration failure troubleshooting process
(2012-06-13)
U9200 Maintenance Manual
Vibration failure
Does the vibration
absolutely fail?
Y
Does the motor vibrate
normally after a USB
charger is connected to
the phone?
Y
Are the motor channel
and PCB cabling in
good condition?
Y
Resolder or replace
the U901.
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Check if the
connection between
the motor board and
N
the main FPC is in
good condition.
N
Replace the
motor.
N
Resolder or
replace the
component.
INTERNAL
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