Tait TM9100 Service Manual

TM9100 Service Manual Circuit Descriptions 81
© Tait Electronics Limited August 2005
Figure 3.6 Block diagram of the power supply circuitry
Power Supply
Trans-
mitter
Frequency
Synthesizer
CODEC
and
Audio
Receiver
Digital
Board
Debug
Connector
Interface
SMPS
3V
Regulator
9V
Regulator
9V Tx Switch
+3V3
2V5
Regulator
3V Rx
Switch
PSU
Super-
visor
13V8 Switch
Reverse
Polarity
Protection
+13V8 BATT
+9V0TX
+9V0
+3V0AN
+13V8 BATT
+9V0
+3V0AN
+3V3
+2V5 CDC
+3V0AN
+3V0 RX
DIG RX EN
DIGTX EN
DIG SLP EN
+3V3
DIG PSU LATCH
DIGWD KICK
PSU SYS RST
+3V3
AGND
CH ON OFF
AUX GPI3
AUX GPI2
ITF IOP GPIO7
+3V3
+13V8 SW
+13V8 BATT
OR Gate
Hardware
Links
IOP PWR SENSE
IGNITION SENSE
EMERGENCY
+9V0
6V0
Regulator
+6V0
13V8 PWR
SENSE
Signal Types:
RF
analog
clock
digital
asynchronous serial data
synchronous serial data

Tait TM9100 Specifications

General

Brand	Tait
Model	TM9100
Category	Radio
Language	English