Tait TB8100 - Page 67

TB8100 Installation and Operation Manual Functional Description 67
© Tait Electronics Limited June 2005
Figure 4.9 TB8100 BSS power distribution
b
Temperature
Mains good
To /
from
µP
Shutdown
Rear panel
ON/OFF switch
AC input
(115-230VAC
50/60Hz)
DC input
12/24/48VDC
Data
To /
from
µP
Run
Rear panel
ON/OFF switch
Temperature
Hysteresis enable
Standby present
Shutdown
To /
from
µP
PMU µP
&
I
2
C pull-ups
Standby isolate
(from uP)
Auxiliary
28 to 12/24/48V
(optional)
Front panel
PA1 & PA2
outputs
Front panel
Reciter outputs
Rear panel aux output
(SIF / trickle
charger output)
Data
To /
from
µP
Run
28 to 10V
regulator
(switched)
28 to 5V
regulator
(permanent)
28 to -3V
regulator
(permanent)
Control board
Power
Management
Unit
(PMU)
28 to 2.5V
regulator
(permanent)
28 to 5V
regulator
(permanent)
6W board
60W board
Low pass
filter board
Power
Amplifier
(PA)
Digital board
RX/EX/EX
Ref
Synths &
VCO's
RF boardSystem interface board
Reciter
System
interface
analogue
circuitry
System interface
D-range supply
output
System interface
power input
Diagnostics
and power
control
circuitry
Analogue
power control
circuitry
Power
control
circuitry
RF circuits
RF circuits RF circuits
Power supply
connectors
DSP
-Codec
-ADC
-DDC
-Power control logic
PWD_EX
PWD_RX
PWR_ON
28 to 5V
Speaker
amplifier
I
2
C
control
signal
Control
Panel
AC module
DC module
Auxiliary power
supply board
SIF_28V
Not connected
Standby power supply card
Protection
Fuse
Power supply
connectors
AC converter
(500W)
(optional)
DC converter
(40/500W)
(optional)
Standby
28-29V
(optional)
µP Control
µP Control
System
Control bus
Microphone
circuitry
RS-232
circuitry
I
2
C
circuitry
System
interface
digital
logic
Exciter
RF
circuitry
Receiver
RF
circuitry
Receiver
digital
logic
RISC
-memory
-clock