Gps Failure - Huawei U8650-NFC Maintenance Manual

9.13 GPS Failure

Reference Figure 9-11
GPS antenna spring
2011-06-09
U8650-NFC Maintenance Manual Basic Version V1.0
GPS Failure
Measure whether
the antenna is normal?
Y
Replace Z4001&
Z4002, check whether the
function is normal?
N
Replace U4001,
check whether the function is
normal?
N
Replace the U3801
U3801
Huawei confidential. No spreading without permission.
N
Y
Y
Z4002 SAW Filter
U4001 GPS LNA
Z4001 SAW Filter
RF Transceiver
U3801
RTR6500
Figure 9-11
Replace the
antenna
End
End
/
/
/
/
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