Tait TB8100 Manual De Instalación Y Operación página 93

Figura 4.10 Distribución de alimentación de la estación base TB8100
Rear panel
ON/OFF switch
AC converter
(500W)
AC input
(115-230VAC Temperature
(optional)
To /
50/60Hz)
Mains good
from
µP
Shutdown
Rear panel
ON/OFF switch
DC module
DC converter
(40/500W)
Data
To /
(optional)
Temperature
from
Hysteresis enable
µP
Run
DC input
12/24/48VDC
Standby power supply card
To /
Standby present
from Standby
Shutdown
28-29V
µP
Manual de Instalación y Operación TB8100
© Tait Electronics Limited Febrero de 2007
Power
Management
AC module
Unit
(PMU)
Front panel
PA1 & PA2
outputs
Rear panel aux output
To /
Data (SIF / trickle
from
Run charger output)
Auxiliary
µP
28 to 12/24/48V
(optional)
Auxiliary power
supply board
Front panel
Reciter outputs
PMU µP
&
I 2 C pull-ups
Standby isolate
(from uP)
System
Control bus
Control
28 to 5V
Panel
I 2 C
control
Speaker
signal
amplifier
Microphone
circuitry
RS-232
circuitry
I 2 C
circuitry
Power
Control board
Amplifier
(PA)
Reciter
SIF_28V
Not connected
System interface
power input
System
interface
digital
System interface
logic
D-range supply
output
System
interface
analogue
circuitry
System interface board
28 to 10V Power
regulator control
(switched) circuitry
28 to 2.5V
regulator
µP Control
(permanent)
µP Control
b
28 to 5V Diagnostics 28 to 5V
regulator and power regulator
control
(permanent) (permanent)
circuitry
28 to -3V Analogue RF circuits
regulator power control
(permanent) circuitry
6W board
Protection
Fuse
Power supply
connectors
Receiver
digital
logic
RISC
-memory
-clock
DSP
-Codec
-ADC
-DDC
-Power control logic
PWD_EX
PWD_RX
PWR_ON
Digital board RF board
RF circuits RF circuits
Low pass
filter board 60W board
Power supply
connectors
Receiver
RF
circuitry
Exciter
RF
circuitry
RX/EX/EX
Ref
Synths &
VCO's
Functional Description 93