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8. Level 3 Repair
NORMAL CONDITION
Catch the channel?
Check soldering
component status U3000
8-4-29. LTE B7/38/41 RX
No
Yes
Yes
Check RFS 1001
≤ -65dBm
Check the ANT, Sub PBA
No
Check C1034
≤-65dBm
Yes
Resolder or change
RFS1001, C1033, C1034, L1022
No
Check component
soldering status ok?
U1006
Resolder or change
U1006
No
No
Receiver is OK?
Resolder or change
UCP5000
No
Yes
Yes
Yes
Resolder or change
U3000
No
END
Check C1064
≤ -65dBm
Resolder or change
C1064, L1053, C1065