Samsung SM-G975F Service Manual page 111

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
Check C1010 ≥ -65dBm ?
Check component soldering status OK at
Check L1000 ≥ -65dBm ?
Check component soldering status OK at
Check C1012 ≥ -65dBm ?
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Check status OK at
coaxial cable and
mechanical material
YES
YES
F1000 ?
YES
YES
PAM1000 ?
YES
YES
Receiver is O.K?
YES
END
NO
Change
Coaxial cable or mechanical material
NO
Resolder or change
RFS100 or L1006 or C1010 or
C1013 or L1004
NO
Resolder or change
F1000
NO
Resolder or change
L1000 or L1003
NO
Resolder or change
PAM1000
NO
Resolder or change
C1012 or L1010 or L1008
NO
Resolder or change
U3000