Samsung SM-G975F Service Manual page 120

8. Level 3 Repair
8-4-32. LTE 40 4Rx_PRx
Check component soldering status OK at
Check component soldering status OK at
Check component soldering status OK at
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Check status OK at
coaxial cable and
mechanical material
YES
Check C1076 ≥ -65dBm ?
YES
C1077 ?
YES
Check C1074 ≥ -65dBm ?
YES
U1005 ?
YES
Check L1024 ≥ -65dBm ?
YES
U1003 ?
YES
Check L1032 ≥ -65dBm
YES
Receiver is O.K?
YES
END
NO
Change
Coaxial cable or mechanical material
Resolder or change
NO
ANT1007 or L1062 or C1115 or
C1076 or C1085
NO
Resolder or change
C1077
NO
Resolder or change
C1074 or C1081
NO
Resolder or change
U1005
NO
Resolder or change
L1027
NO
Resolder or change
U1003
NO
Resolder or change
L1032 or L1035 or L1031
NO
Resolder or change
U3000