Motorola ASTRO XTSTM 4000 Detailed Service Manual page 206

Index-2
frequency generator unit (FGU)
FracN IC U202 3-11
loop filter 3-12
reference oscillator Y200 3-11
VCO buffer IC (VCOBIC) U200 3-12
G
gain
audio
single-ended U9904 3-20
GCAP II IC U501
audio circuitry 3-19
MCU interface 3-19
voltage regulation 3-19
glossary Glossary-1
H
handling precautions, troubleshooting 4-1
harmonic filter, transmitter 3-8
I
IC
Abacus III U500 3-5
driver amplifier U102 3-7
Flash memory U1410 3-17
FracN U202 3-11
MAKO U1304 3-19, 3-20
Patriot U401 3-14
power-control (PCIC) U104 3-9
static RAM (SRAM) U1409 3-17
IF filter (crystal filter), receiver front end 3-5
interconnections
VOCON section 3-13
interface support components, VOCON section 3-20
K
keep-alive mode 2-1
key variable loader (KVL) 3-29
keypad
VOCON section 3-23
keypad module
description 3-23
KVL (key variable loader) 3-29
L
LNA, receiver front end 3-5
logic level translation, flipper IC 3-21
loop filter, FGU 3-12
M
main board overlays
UHF 9-2
VHF 8-2
May 28, 2008
MAKO
power routing 2-2
MAKO IC
24.576 MHz reference generation 3-22
boot data path control 3-21
one-wire support 3-21
radio ce connector 3-21
SSI clock and frame sync generator 3-22
USB transceiver 3-21
watchdog timer 3-21
MAKO IC U1304
detailed theory 3-19, 3-20
manual
notations 1-2
MCU interface, GCAP II IC U501 3-19
memory components, VOCON section 3-14
microcontroller unit (MCU)
description 3-15
external interface module (EIM) 3-15
multiple queue serial peripheral interface
(MQSPI) 3-15
one-way interface 3-15
universal asynchronous receiver/transmitter
(UART) 3-15
mixer, receiver front end 3-5
mode, keep-alive 2-1
module
encryption 3-29
keypad 3-23
multiple queue serial peripheral interface (MQSPI) 3-15
N
notations in manual 1-2
O
one-way interface 3-15
one-wire support, MAKO IC 3-21
option selects, universal connector 3-23
ordering replacement parts A-1
oscillator
reference Y200, FGU 3-11
sampling clock 3-6
second local 3-6
voltage-controlled (VCO) 3-7
overview
keypad module 3-23
VOCON section 3-13
P
parts, ordering replacement A-1
partslist
NUD7115A 8-1
NUE7350A 9-1
Patriot IC U401
description 3-14
digital signal processor (DSP) 3-16
microcontroller unit (MCU) 3-15
PCIC (power-control IC) U104
automatic level control (ALC) 3-10
D/A outputs 3-10
Index
6871620L01-C