Index - Motorola ASTRO XTSTM 4000 Detailed Service Manual

Index

Index
Numerics
24.576 MHz reference generation, MAKO IC 3-22
5-volt regulator U1101, VOCON 3-20
A
Abacus III IC U500 3-5
algorithms, encryption module 3-29
amplifier
audio switch U20 3-20
driver U102 3-7
power transistor 3-8
antenna contact M1704 3-3
antenna switch, transmitter 3-8
audio
circuitry, GCAP II IC U501 3-19
components, VOCON section 3-18
single-ended gain stage U9904 3-20
switch U20 3-20
audio path
receive 3-27
transmit 3-26
audio, power and accessory interface
See MAKO IC
automatic level control (ALC), PCIC 3-10
B
baseband interface port (BBP) 3-16
battery
connector J3 3-2
types and capacities 2-1
block diagram
Abacus III IC U500 3-6
overall 3-1
power distribution
UHF 2-1
VHF 2-1
receiver 3-4
transceiver 3-2
board overlays
main board
UHF 9-2
VHF 8-2
mainboard list 8-1, 9-1
transceiver list 8-1, 9-1
VOCON section list 8-1, 9-1
boot data path control, MAKO IC 3-21
buttons and controls, VOCON section 3-24
C
caution symbol meaning 1-2
CE interface connector 3-1
charts, 5-10
charts, troubleshooting
button test 5-14
6871620L01-C
Index
DC supply failure 5-6
keyload failure 5-29
list 5-1
main 5-2
power-up failure 5-3
secure hardware failure 5-30
top/side button test 5-15
VCO Tx/Rx unlock 5-16
VOCON
Rx audio 5-19
Rx RF 5-21
Tx audio 5-17
Tx RF 5-26
volume set error 5-13
components
block diagram 3-1
controller (VOCON) 3-14
encryption module 3-29
keypad module 3-23
connections
transceiver 3-2
connector
CE interface connector 3-1
J1 (display and keypad) 3-14
J2 (encryption module, CE interface connection and
audio jack connection) 3-14
J3 (buttons and controls connections) 3-14
controller components, VOCON section 3-14
crystal filter (IF filter), receiver front end 3-5
customer service A-2
D
D/A outputs, PCIC 3-10
danger symbol meaning 1-2
detailed theory
transceiver (RF) section 3-2
VOCON section 3-13
digital signal processor (DSP)
baseband interface port (BBP) 3-16
detailed theory 3-16
serial audio CODEC port (SAP) 3-16
timer module 3-16
universal serial bus (USB) 3-16
driver amplifier U102 3-7
dual display module
VOCON section 3-23
E
encryption
module 3-29
module algorithms 3-29
errors, power-up self-check 4-5
ESD protection circuitry, VOCON section 3-22
external interface module (EIM) 3-15
F
Flash memory IC U1410 3-17
flipper IC U301
logic level translation 3-21
FracN IC U202 3-11
Index-1
May 28, 2008