HUAWEI ETS2000 series Wireless FWT Maintenance Menu
0Chapter4 Maintenance Procedures and S
olutions to Common Faults
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2. RF receiving channel fault maintenance procedure
Yes
Yes
No
No
Yes
No
Yes
RF receiving channel fault
Is duplexer out put normal?
Check the power of foot 5 output
end of u101 and remove
surrounding circuit faults
Is surface acoustic wave normally output?
Check the input end and output
end of foot 1, foot 3, and foot 4
of z401, and remove the
surrounding circuit fault
Is RFR6122 normal?
Check the input and output of
RFR6122 and remove faults
RF
receiving
channel works well
Figure 4-8
RF receiving channel fault maintenance procedure
