Huawei U8860 Maintenance Manual page 79

U8860
Maintenance Manual
Issue 1.0 (2011-11-14)
The approach sensor
functions are disabled.
Is the problem solved after
the software is loaded?
N
Is the problem
solved after the approach
sensor light hole is
cleaned?
N
Is the problem
solved after the approach
sensor is replaced?
N
Is the problem solved after
the FPC is replaced?
N
Are the components on the touch
panel's power supply circuit and
control circuit damaged or short-
circuited?
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9 Principles and Troubleshooting
Y
End
Y
End
Y
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