SAMSUNG Proprietary-Contents may change without notice
1-6
STH-N375 Trouble Shooting
2-2. Receiver Section (Offline test)
1
Y
Y
N
Need to check
U105, Q102
Y
N
Need to check
U306, C349
F303_2=-52dBm
N
Need to check
F302 & 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 Cell band selection
Send Command RX path ON
Send Command channel selecton
START
N
Y
V_LNA_CELL=H
U105_1=H
Q102_3=H
Need to check
U300 & neighbor parts
2
U301_45=-39.5dBm
N
Need to check
C324, F303
F303_3, U300_8
=-55dBm
F302_2=-36.0dBm
Y