Wi-Fi/Bluetooth Failure - Huawei U9500 Maintenance Manual

U9500 Maintenance Guide
Figure 9-50 Handling process for the speaker noise problem.

9.2.19 Wi-Fi/Bluetooth Failure

Circuit Diagram
Figure 9-51 shows Wi-Fi and Bluetooth circuits.
Issue 1.2 (2012-6-30)
Speaker noise
Check whether the speaker is
damped.
N
Check whether the speaker is
interfered by scrap iron.
N
Does the phone functions
properly after having the
speaker replaced?
N
Does the phone function
properly after having the front
cover assembly replaced?
N
Replace the back cover assembly.
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9 Troubleshooting
Y
Handle the problem
according to company
regulations.
Y
Handle the problem
according to company
regulations.
Y
End
Y
End
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