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8. Level 3 Repair
8-4-29. LTE B1/4 4Rx_PRx
YES
Check status OK at
coaxial cable and
mechanical material
Change
Coaxial cable or mechanical material
NO
Check L1033
≥
-65dBm ?
Resolder or change
L1033
NO
YES
Receiver is O.K?
END
Resolder or change
U3000
YES
NO
Check component soldering status OK at
U1003 ?
Resolder or change
U1003
NO
YES
Check L1032
≥
-65dBm
Resolder or change
L1032 or L1035 or L1031
NO
YES
Check component soldering status OK at
U1005 ?
Resolder or change
U1005
NO
YES
Check L1058
≥
-65dBm ?
Resolder or change
L1058 or L1059
NO
YES
Check component soldering status OK at
F1002 ?
Resolder or change
F1002
NO
YES
Check C1062
≥
-65dBm ?
Resolder or change
ANT1010 or L1053 or C1062 or
L1055 or L1056
YES
NO