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8. Level 3 Repair
Check L1059
≤
-65dBm
8-4-21. RX(GSM 1800,1900/ WCDMA 1,2 / LTE 1,3)
Check condition
C3024=1.2V
C3026=1.8V
Yes
Resolder or replace
U3002
Resolder or replace
U3001
Yes
Yes
Yes
No
Resolder or replace
C1148, L1018,F1000
Check C1148=2.8V
Faulty part
Resolder or replace
Resolder or replace
L1059, C1075, RFS1001,
CPL1001
Check
GSM1900,1800 L1036
B3 L1019
B2 C1113
B1 C1115
≥
-65dBm
Resolder or replace
UCP300
Yes
END
No
No
No
No
No
Check condition
Yes