Samsung SM-A920F Service Manual page 117

8. Level 3 Repair
8-4-42. LTE B7/38/40/41 Tx
: About 0dBm ?
Check component soldering status OK at
Check component soldering status OK at
: About 23dBm ?
Check RFS1000
: About 23dBm ?
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Check C2046
YES
PAM2000 ?
YES
U1001 ?
YES
Check C1032
YES
YES
ANT is O.K?
YES
END
NO
Resolder or change
U2029 or L2063 or C2046 or C2088
NO
Resolder or change
PAM2000
NO
Resolder or change
U1001
NO
Resolder or change
C1032 or C1033 or C1034
NO
Resolder or change
RFS1000
NO
Change
Coaxial cable or SUB PBA or
mechanical material