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8. Level 3 Repair
8-4-23. GSM 850/900, WCDMA B5/8, LTE B5/8/12/13/17/18/19/20/26/28 PRx
END
Check C1010
≥
-65dBm ?
Check component soldering status OK at
F1000 ?
Check L1000
≥
-65dBm ?
Check component soldering status OK at
PAM1000 ?
Check C1012
≥
-65dBm ?
Resolder or change
RFS100 or L1006 or C1010 or
C1013 or L1004
Resolder or change
F1000
Resolder or change
L1000 or L1003
Resolder or change
PAM1000
Resolder or change
C1012 or L1010 or L1008
Resolder or change
U3000
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
Receiver is O.K?
YES
Check status OK at
coaxial cable and
mechanical material
Change
Coaxial cable or mechanical material
NO