Lte B38/40/41 Rx - Samsung SM-A920F Service Manual

8. Level 3 Repair

8-4-30. LTE B38/40/41 Rx

Check status OK at
coaxial cable, SUB PBA and
mechanical material
Check C1032 ≥ -65dBm ?
Check component soldering status OK at
Check component soldering status OK at
Check L2050 ≥ -65dBm ?
Receiver is O.K?
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YES
YES
U1001?
YES
PAM2000?
YES
YES
YES
END
Change
NO
Coaxial cable or SUB PBA or
mechanical material
Resolder or change
NO
RFS1000 or C1032 or C1034 or
C1033
NO
Resolder or change
U1001
NO
Resolder or change
PAM2000
Resolder or change
NO
L2050 or C2070 or U2033 or L2049
or C2045
NO
Resolder or change
U2029