E5331 Maintenance Manual Basic Version V1.0
Internal
2012-4-21
Huawei confidential. No spreading without permission.
Page 50 of 57
9.8.6 RF Transmitting Failure
– GSM
Reference Figure 9-8
Transmitting Failure
(GSM)
Update the sofeware
。
Then inspect if it is normal?
Y
END
Check whether
antenna are normal
N
N
Replace
The
antenna
Replace J801. Check whether
It is normal
Y
Y
END
Replace U801. Check whether
It is normal
N
Y
END
Replace U703.Check whether
It is normal
N
Y
END
Replace Z701&Z702 .Check
whether
It is normal
N
Y
END
N
Replace U101