Samsung SM-G975F Service Manual page 128

8. Level 3 Repair
8-4-40. LTE B40 4Rx_DRx
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Check status OK at mechanical material
YES
Check C2031 ≥ -65dBm ?
YES
Check component soldering status OK at
F2005?
YES
Check C2028 ≥ -65dBm ?
YES
Check component soldering status OK at
U2000 ?
YES
Check C2060 ≥ -65dBm ?
YES
Receiver is O.K?
YES
END
NO
Change
mechanical material
Resolder or change
NO
SANT2005 or V2004 or L2033 or
C2030 or C2031 or C2035
NO
Resolder or change
F2005
NO
Resolder or change
C2028 or C2033
NO
Resolder or change
U2000
NO
Resolder or change
C2060 or L2045 or L2043
NO
Resolder or change
U2001