Samsung SM-G975F Service Manual page 119

8. Level 3 Repair
8-4-31. LTE B7 4Rx_PRx
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 L1063 ≥ -65dBm ?
YES
U1005 ?
YES
Check L1026 ≥ -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
L1063
NO
Resolder or change
U1005
NO
Resolder or change
L1026 or C1047 or C1037
NO
Resolder or change
U3000