Samsung SM-G975F Service Manual page 122

8. Level 3 Repair
8-4-34. DCS1800/PCS1900, WCDMA B2, LTE B2/3/25 DRx
Check status OK at mechanical material
Check L2018 ≥ -65dBm ?
Check component soldering status OK at
Check C2012 ≥ -65dBm ?
Check component soldering status OK at
Check L2026 ≥ -65dBm ?
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YES
YES
F2002?
YES
YES
F2004 ?
YES
YES
Receiver is O.K?
YES
END
NO
Change
mechanical material
Resolder or change
NO
SANT2003 or V2002 or L2018 or
C2015 or L2016
NO
Resolder or change
F2002
NO
Resolder or change
C2012 or L2013 or C2103 or L2014
or C2013 or C2014 or L2015
NO
Resolder or change
F2004
NO
Resolder or change
C2022 or L2026 or C2023
NO
Resolder or change
U3000