Advertisement
Level 3 Repair
LTE Transmitter
Band : LTE FDD 20
CELL POWER : -50dBm
Bandwithe :10MHz
Modulation :QPSK
Frequency : 847MHz
TX Power is too Low!!
TX ON (Target Power 23dBml)
NO
TCXO CLOCK CHECK?
OSC100
38.4MHz @ OSC100
re-solder or change
YES
Check the PAM100
NO
U100
L127 ≥ 0dBm
Re-solder or change0
L126 ≥ 25dBm
YES
NO
Check the F100
F101, C146
C146 ≥ 20dBm?
re-solder or change
YES
RFS100
NO
RFS100, C147
C147 ≥ 22dBm
change or re-solder
YES
Antenna
re-solder or change
8-17
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Hide quick links:
Advertisement
