Gsm 850, Wcdma B5, Lte B5/26 Rx - Samsung SM-A920F Service Manual

8. Level 3 Repair

8-4-21. GSM 850, WCDMA B5, LTE B5/26 Rx

Check status OK at
coaxial cable, SUB PBA and
mechanical material
Check C1095 ≥ -65dBm ?
Check component soldering status OK at
Check L1038 ≥ -65dBm ?
Check component soldering status OK at
L1030 ≥ -65dBm ?
Receiver is O.K?
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YES
YES
F1007 ?
YES
YES
F1000 ?
YES
YES
YES
END
NO Change
Coaxial cable or SUB PBA or
mechanical material
NO
Resolder or change
RFS1001 or C1095 or C1098
NO
Resolder or change
F1007
NO
Resolder or change
L1038
NO
Resolder or change
F1000
NO
Resolder or change
L1030 or L1029
NO
Resolder or change
U2029