Fm Failure - Huawei U9500 Maintenance Manual

U9500 Maintenance Guide
Figure 9-54 Handling process for the Wi-Fi/Bluetooth failure

9.2.20 FM Failure

Cause
Figure 9-55 and Figure 9-56 show the components, damage on which can cause the FM
failure.
Issue 1.2 (2012-6-30)
Wi-Fi/Bluetooth failure
Check whether the software
functions properly.
Y
Check whether the antenna spring
(J3503) is in good contact with the
antenna.
Y
Check whether Z3599 functions
properly.
Y
Does the phone functions properly
after having U3501 replaced?
Y
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9 Troubleshooting
N
Resolder or replace
U3401.
N
Ensure the two are in good
contact.
N
Rectify the faults on the
signal circuit.
N
Rectify the faults on the
signal circuit.
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