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8. Level 3 Repair
8-4-27. DCS1800, LTE B3 Rx
Check component soldering status OK at
F1007?
Resolder or change
F1007
NO
YES
Check C1095
≥
-65dBm ?
Resolder or change
RFS1001 or C1095 or C1098 or
C1096
YES
NO
Check L1008
≥
-65dBm ?
Resolder or change
L1008 or C1031
NO
YES
Check component soldering status OK at
F1000 ?
Resolder or change
F1000
NO
YES
Check L1023 or L1024
≥
-65dBm ?
Resolder or change
C1018 or L1022 or U1000 or F1004
or L1023 or L1024
NO
YES
Receiver is O.K?
END
Resolder or change
U2029
YES
NO