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8. Level 3 Repair
8-4-31. LTE B7 Rx
Check L2082
≥
-65dBm ?
Resolder or change
L2082 or L2081 or C2095 or C2096
NO
YES
Check component soldering status OK at
PAM2000?
Resolder or change
PAM2000
NO
YES
Receiver is O.K?
END
Resolder or change
U2029
YES
NO
Check component soldering status OK at
U1001?
Resolder or change
U1001
NO
YES
Check C1032
≥
-65dBm ?
Resolder or change
RFS1000 or C1032 or C1034 or
C1033
YES
NO
YES
Check status OK at
coaxial cable, SUB PBA and
mechanical material
Change
Coaxial cable or SUB PBA or
mechanical material
NO