Samsung SM-G975F Service Manual page 133

8. Level 3 Repair
8-4-45. WCDMA B5/8, LTE B5/8/12/13/17/18/19/20/26/28 Tx
Check component soldering status OK at
Check component soldering status OK at
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Check L1012
: About 0dBm ?
YES
PAM1000 ?
YES
Check L1000
: About 33dBm ?
YES
F1000 ?
YES
Check L1004
: About 33dBm ?
YES
Check RFS100
: About 33dBm ?
YES
ANT is O.K?
YES
END
Resolder or change
NO
U3000 or L1012 or L1014 or L1013 or
C1018
NO
Resolder or change
PAM1000
NO
Resolder or change
L1000
NO
Resolder or change
F1000
NO
Resolder or change
L1004 or C1013 or C1010 or L1006
NO
Resolder or change
RFS100
NO
Change
Coaxial cable or mechanical material