U9200 Maintenance Manual
INTERNAL
(2012-06-13)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Page 67 of 80
9.18 GPS Failure
Figure 9-25
GPS failure troubleshooting process
Figure 9-26
Schematic diagram of GPS circuit
GPS failure
Is the J3603 clip in good
contact with the
antenna?
N
Ensure the two
are in good
contact.
Y
Is the fault rectified
after you replace the
Z3601 and Z3602
respectively?
Y
End
N
Is the fault rectified
after you replace the
U3699?
Y
End
N
Replace the U301.
Is the fault rectified after
you replace the U3601?
Y
End
N
