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SAMSUNG Proprietary-Contents may change without notice
1-7
STH-N375 Trouble Shooting
2
N
N
AMPS
TDMA
N
Replace U301
Replace
F301
Need to check
OSC301, neighbor parts
& U301_1,2,3
Need to check
U105 & neighbor parts
N
Y
Y
Y
Y
Y
RF local check
U301_48 Lev=-6dBm
Freq=adjusted freq?
1
U301_41 Lev=-24.5dBm
Freq=130.05MHz
U301_34 Lev=-28.0dBm
Freq=130.05MHz
Need to check
U301, L301, C304, C306, R301
Y
Replace F300 or
Need to check R302, R303, C303
U301_25 Lev=-18.0dBm
Freq=450kHz
MODE
U301_40, 42=3.0V
4
3
N
U301_37 Lev=-13.0dBm
Freq=450kHz
N