Samsung SM-G975F Service Manual page 129

8. Level 3 Repair
8-4-41. GSM 850/900 Tx
Check component soldering status OK at
Check component soldering status OK at
Check component soldering status OK at
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Check C1083
: About 0dBm ?
YES
PAM1001 ?
YES
Check L1064
: About 33dBm ?
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
NO
Resolder or change
U3000 or C1083 or C1086 or C1084
NO
Resolder or change
PAM1001
NO
Resolder or change
C1088 or L1064 or C1089
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