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SAMSUNG Proprietary-Contents may change without notice
1-7
STH-A225 Trouble Shooting
2-2. Receiver Section (Offline test)
1
Y
Y
N
Need to check
U209, U208, U207
Y
N
Need to check
F306
U301_8=-54dBm
N
Need to check
F304 & neighbor parts
Y
RF_BAND=L, RX_BAT=H
PLL_ON=H, PON_LC=H
VCTCXO_PC=H, IF_ON=H
PON_VRF3=H
set up 8920B basestation for RX test
Set Base station RX Lev=-50 dBm
Send Command RX path ON
Send Command channel selecton
(Test mode:031)
START
N
Y
V_LNA_CELL=H
U208_1=H
U207_1=H
Need to check
U301 & neighbor parts
F304 input=-34dBm
2
U304_45=-35dBm