Lte B7/38/40/41 , Drx - Samsung SM-A920F Service Manual

8. Level 3 Repair

8-4-33. LTE B7/38/40/41 , DRx

Check status OK at mechanical material
Check C2036 ≥ -65dBm ?
Check component soldering status OK at
Check L2036 ≥ -65dBm ?
Check component soldering status OK at
Check C2051 or L2038 ≥ -65dBm ?
Receiver is O.K?
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YES
YES
U2002?
YES
YES
U2031 ?
YES
YES
YES
END
NO
Change
mechanical material
NO
Resolder or change
VR2002 or L2033 or C2036 or C2122
NO
Resolder or change
U2002
NO
Resolder or change
L2036
NO
Resolder or change
U2031
NO
Resolder or change
C2051 or L2038
NO
Resolder or change
U2029