Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-31. LTE B28, NR_SUB6 N28 Tx
Check C1000 : About 0dBm ?
Check component soldering status OK at
F1000?
Resolder or change
L1001, C1055, C1048
Resolder or change
F1000
NO
NO
YES
YES
YES
Check L1075, L1094 : About 0dBm ?
Resolder or change
L1075, C1090, C1095, C1094
L1076
NO
YES
Check status OK at
Caxial Cable(White) and mechanical
material
Change
Caxial Cable(White) and mechanical
material
NO
NO
YES
END
Resolder or change
U2010
Receiver is O.K?
Check C1038(SUB PBA)
: About 0dBm ?
Resolder or change
SUB PBA : ANT1000, 1003, 1007,
C1012, L1031, L1032
MAIN PBA : RFS1001
YES
Check component soldering status OK at
Check U1044?
Resolder or change
U1044
NO
YES
Check C1061 : About 0dBm ?
Resolder or change
C1061, L1053, C1175, F1004
NO
Summary of Contents for SM-A326B
Page 1: ......