Rf Transmitting Failure - Wcdma 900Mhz - Huawei E5331 Maintenance Manual

9.8.5 RF Transmitting Failure – WCDMA 900MHz
Reference Figure 9-8
2012-4-21
E5331 Maintenance Manual Basic Version V1.0
Transmitting Failure
(WCDMA2100MHZ)
Update the sofeware。
Then inspect if it is normal?
N
Check whether
antenna are normal
Y
Replace J801. Check whether
It is normal
N
Replace U801. Check whether
It is normal
N
Replace U502.Check whether
It is normal
N
Replace U501 .Check whether
It is normal
N
Replace Z501 .Check whether
It is normal
N
Replace U101
Huawei confidential. No spreading without permission.
Y
END
Replace
N The
antenna
Y
END
Y
END
Y
END
Y
END
Y
END
Internal
Page 49 of 57