User's Manual

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User Manual
Rev. 2.3 - 26/06/19
PTRL-LCD & RXRL-LCD
ELETTRONICA
A schematic view of the modules and of the connections which compose the
RXRL-LCD is shown in the following illustration.
PANEL CARD
POWER
SUPPLY
IF/AUDIO OUT V
CO/PLL FRONTEND
BATTERY
INTERFACE
RF CONNECTION
DC CONNECTION
A brief description of the functions of each module will follow, while the complete
schemes and the layouts of the cards are shown in the appendix.
8.1 Spare parts
The list below identifies the spare parts codes for a simple replacement of modules
in case of maintenance.
Spare Parts Name
Spare Parts Code
Band
200-400 MHz
400-500 MHz
780-980 MHz
Switching power supply
KPSXX155UI15
IF section
SP-IFS007A
SP-IFS007B
SP-IFS007C
Frontend section
SP-FEN007A
SP-FEN007B
SP-FEN007C
CPU panel & Display
SP-PAN175A
8.2 Power supply
The power supply of the RXRL-LCD is a switching type unit, with 5V, 18V and
-15V main outputs which will be adapted to supply the different electronic boards
which compose the unit. Please note that the power supply is “direct from the AC
line”, therefore without transformer, and it can be connected to any of the voltages
comprised between 85 and 264 V
AC
without making any regulations or manual
settings.