Need To Check Dome; Need To Check Mic101 - Samsung STH-N271 Service Manual

2-2. Receiver Section (Offline test)
START
Set Base station RX Lev=-50 dBm
Send Command RX path ON
Send Command channel selecton
(Test mode:134, 131)
F305 input=-55dBm
F305 output=-49dBm
U301_8=-53dBm
F304 input=-33dBm
U304_45=-33dBm
Y
Y
Y
Y
Y
N
Y
2
SAMSUNG Proprietary-Contents may change without notice
set up 8920B basestation for RX test
RF_BAND=L, RX_BAT=H
PLL_ON=H, PON_LC=H
VCTCXO_PC=H, IF_ON=H
PON_VRF3=H
N
Need to check
U302
N
Need to check
F305
N
Need to check
F306
V_LNA_CELL=H
U107_1=H
U105_1=H
Y
Need to check
U301 & neighbor parts
N
Need to check
F304 & neighbor parts
2-7
STH-N271
Trouble Shooting
1
N
Need to check
U105, U106, U107