TEX1000LIGHT
25
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User Manual
Rev. 1.1 - 06/07/20
7. Working Principles
The figures below provide an overview of
TEX1000LIGHT
(fig. 7.1) modules and
connections.
DRIVER
SPLITTER
MAIN BOARD
LPF +
DIRECT. COUPL.
COMBINER
FUSE BOARD
BIAS
INTERFACE
PANEL
TELEMETRY
POWER SUPPLY
SURGE
PROT.
PFC
LED CARD
INPUT
(AUDIO/RDS)
R.F.
OUTPUT
RF MODULES
MAINS
R.F.
R.F.
2 X R.F.
2 X R.F.
R.F.
DC
2 X 46VDC
5 X VPA (46VDC)
VPA (46VDC)
2 X VPA (46VDC)
FWD PWR
RFL PWR
BIAS
PS ALARM
VOLTAGE REG.
Figure 7.1
Following is a brief description of the different module functions; all diagrams and
board layout diagrams are included in the “Technical Schedule” Vol.2.
7.1 Power supply
The
TEX1000LIGHT
power supply sections it can be divided into 3 basic
sections:
1.
Surge Protection
: Surge Protection board protects machine from eventual
unexpected variations of the mains voltage.
2.
Service:
This section contains elements that do not regard directly the power
supply.
3.
Power supply:
this unit supplies an adapted supply to RF power amplifier
modules.
7.1.1 Mains power supply surge protection
This module is enclosed in a sealed metal case; it features two externally mounted
mains fuses and accommodates a bank of surge arresters that protect the machine
from any surge events in the power mains.
On output from this module, the mains voltage reaches the “Power” main switch
located on the front panel, and then comes to the service feeder.
Summary of Contents for TEX1000LIGHT
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