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8. Level 3 Repair
8-4-41. WCDMA B5/8, LTE B5/8/12/13/17/20/26/28 Tx
Check component soldering status OK at
U1004 ?
Resolder or change
U1004
NO
YES
CheckC1040 or L1070 orL1063 or C1105
or L1004 or C1114 : About 23dBm ?
Resolder or change
C1040 or L1070 or L1071 or L1063 or
L1064 or C1105 or L1066 or C1106 ro
L1004 or L1005 or C1012 or C1114 or
U8065 or C1116
NO
YES
Check component soldering status OK at
F1007 ?
Resolder or change
F1007
NO
YES
ANT is O.K?
END
Change
Coaxial cable or SUB PBA or
mechanical material
YES
NO
Check component soldering status OK at
F1000 ?
Resolder or change
F1000
NO
YES
Check L1038
: About 33dBm ?
Resolder or change
L1038
NO
YES
Check C1096
: About 33dBm ?
Resolder or change
C1095 or C1096 or C1098
NO
YES
Check RFS1001
: About 33dBm ?
Resolder or change
RFS1001
NO
YES
Check L1052
: About 0dBm ?
Resolder or change
U2029 or L1052 or C1080
YES
NO