86
Circuit Descriptions
TM8100/TM8200 Service Manual
© Tait Electronics Limited
November 2007
Figure 3.9
Block diagram of the power supply circuitry
Power Supply
Trans-
mitter
Frequency
Synthesizer
CODEC
and
Audio
Receiver
Digital
Board
Debug
Connector
Interface
SMPS
3 V
Regulator
9 V
Regulator
9 V Tx Switch
+3V3
2V5
Regulator
3 V Rx
Switch
PSU
Super-
visor
13V8 Switch
Reverse
Polarity
Protection
+13V8 BATT
+9V0 TX
+9V0
+3V0 AN
+13V8 BATT
+9V0
+3V0 AN
+3V3
+2V5 CDC
+3V0 AN
+3V0 RX
DIG RX EN
DIG TX EN
DIG SLP EN
+3V3
DIG PSU LATCH
DIG WD 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
Summary of Contents for TM8100 mobiles
Page 1: ...TM8100 mobiles TM8200 mobiles Service Manual MMA 00005 05 Issue 5 November 2007...
Page 10: ...10 TM8100 TM8200 Service Manual Tait Electronics Limited November 2007...
Page 12: ...12 TM8100 TM8200 Service Manual Tait Electronics Limited November 2007...
Page 20: ...20 Introduction TM8100 TM8200 Service Manual Tait Electronics Limited November 2007...
Page 64: ...64 Description TM8100 TM8200 Service Manual Tait Electronics Limited November 2007...
Page 106: ...106 TM8100 TM8200 Service Manual Tait Electronics Limited November 2007...
Page 134: ...134 General Information TM8100 TM8200 Service Manual Tait Electronics Limited November 2007...
Page 168: ...168 Servicing Procedures TM8100 TM8200 Service Manual Tait Electronics Limited November 2007...
Page 464: ...464 Spare Parts TM8100 TM8200 Service Manual Tait Electronics Limited November 2007...