E5331 Maintenance Manual Basic Version V1.0
Internal
2012-4-21
Huawei confidential. No spreading without permission.
Page 48 of 57
9.8.4 RF Transmitting Failure
– WCDMA 2100MHz
Reference Figure 9-8
Transmitting Failure
(WCDMA2100MHZ)
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 U402.Check whether
It is normal
N
Y
END
Replace U401 .Check whether
It is normal
N
Y
END
Replace Z401 .Check whether
It is normal
N
Y
END
Replace U101
N