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8. Level 3 Repair
8-4-23. LTE B4(B66) / WCDMA B4 RX [SM-A205G/GN]
END
Check L1002
≥
-65dBm ?
Resolder or change
L1002
Resolder or change
U2012
NO
YES
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
Receiver is O.K?
Check RFS1000
≥
-65dBm?
Check component soldering status OK at
F1000?
Check C1018
≥
-65dBm ?
Check C1058
≥
-65dBm ?
Resolder or change
C1022, L1016, L1013
Resolder or change
F1000
Resolder or change
C1018
Resolder or change
C1058
Check component soldering status OK at
L1008?
Resolder or change
L1008
Resolder or change
U1007
Check component soldering status OK at
U1007?
YES
NO
YES
YES
