Index - Motorola ASTRO XTS 5000 Detailed Service Manual

Index

Numerics
13 MHz reference generation, flipper IC 4-21
32 kHz oscillator, flipper IC 4-20
5-volt regulator U505, VOCON 4-18
A
Abacus III IC U500 2-6, 4-4
algorithms, encryption module 2-4
amplifier
audio power U503 4-18
audio pre-amplifier U502 4-18
driver U102 4-5
power transistor 4-5
summing U106 4-6
analog mode
description 2-4
receiving 2-4
transmitting 2-5
antenna port J2 4-2
antenna switch, transmitter 4-6
ASTRO mode
receiving 2-5
transmitting 2-5
audio circuitry, GCAP II IC U501 4-18
audio components, VOCON board 2-8, 4-16
audio path
receive 4-27
transmit 4-26
audio power amplifier U503 4-18
audio pre-amplifier U502 4-18
automatic level control (ALC), PCIC 4-8
B
baseband interface port (BBP) 4-14
battery
connector J3 4-1
types and capacities 3-1
block diagram
Abacus III IC U500 4-4
overall 2-1
power distribution 3-2
receiver 2-4
transceiver 2-2
transmitter 2-6
VOCON 2-3
board layouts
transceiver (RF) board 9-9
VOCON board 9-23
boot data path control, flipper IC 4-19
Index
C
caution symbol meaning 1-2
charts, troubleshooting
button test 6-13
channel/zone select error 6-12
DC supply failure 6-5
display failure 6-8
keyload failure 6-28
list 6-1
main 6-2
power-up failure 6-3
secure hardware failure 6-29
top/side button test 6-14
VCO Tx/Rx unlock 6-15
VOCON
Rx audio 6-18
Rx RF 6-20
Tx audio 6-16
Tx RF 6-25
volume set error 6-11
CMOS support, flipper IC 4-20
CODEC (COder/DECoder) 2-5
components
basic radio 2-1
block diagram 2-1
controller (VOCON) 4-12
display module 2-3
encryption module 2-3, 4-28
keypad module 2-3
universal flex assembly 2-3
connector
display module P301 4-12
encryption J701 4-12
keypad module P107 4-12
RF interface P201 4-12
universal J101 4-12
controller components, VOCON board 2-7, 4-12
controls and control top flex, VOCON board 4-24
D
D/A outputs, PCIC 4-8
danger symbol meaning 1-1
detailed theory
transceiver (RF) board 4-1
VOCON board 4-11
digital signal processor (DSP)
baseband interface port (BBP) 4-14
detailed theory 4-14
Patriot 2-5
serial audio CODEC port (SAP) 4-14
timer module 4-14
universal serial bus (USB) 4-14
directional coupler U101, transmitter 4-6
display module
connector P301 4-12
description 2-3
VOCON board 4-23
driver amplifier U102 4-5