Motorola APX 2000 Detailed Service Manual

Index Index
A
amplifier
driver U102 3-12
power transistor 3-13
antenna switch, transmitter 3-13
B
battery
connector M101 3-7
types and capacities 2-1
block diagram
overall 3-2, 3-3
power distribution 2-2
receiver 3-8, 3-9, 3-16, 3-17, 3-18
transceiver 3-4, 3-5, 3-6, 3-7
board overlays
transceiver (RF) board
UHF1 8-64, 8-66, 8-142, 8-144, 8-220, 8-222,
8-297, 8-299, 8-364
transceiver list 8-1
buffer and VCO, FGU 3-20
C
caution symbol meaning 1-2
charts, troubleshooting
bluetooth 5-53
DC supply failure 5-15
fgu
failure 5-45
list 5-1
main 5-3
power-up failure 5-4
secure hardware failure 5-33
VOCON
PA 5-59
Rx RF 5-34
clocks, FGU 3-18
components
block diagram 3-2, 3-3
current control mode, transmitter power control 3-15
D
danger symbol meaning 1-2
detailed theory
Controller 3-23
gps 3-53
directional coupler U101, transmitter 3-13
driver amplifier U102 3-12
E
errors, power-up self-check 4-4
F
frequency generator unit (FGU)
buffer and VCO 3-20
clocks 3-18
loop filter 3-19
modulation 3-19
reference oscillator Y701 3-18
synthesizer 3-18
trident IC U702 3-18
voltage multiplier and superfilter 3-19
G
glossary Glossary-1
H
handling precautions, troubleshooting 4-1
harmonic filter, transmitter 3-13
I
IC
directional coupler U101 3-13
driver amplifier U102 3-12
interconnections
transceiver 3-7
K
keep-alive mode 2-2
L
loop filter, FGU 3-19
M
manual
notations 1-2
mode, keep-alive 2-2
modulation, FGU 3-19
N
notations in manual 1-2
O
oscillator
reference Y701, FGU 3-18
P
PA offset, control voltage gain scaling, transmitter power
control 3-15
parts list

Motorola APX 2000 Specifications

General

IP Rating	IP67
Operating Temperature	-30°C to +60°C
GPS	Optional
Bluetooth	No
Frequency Range	700/800 MHz
Power Output	1-5 W (VHF), 1-3 W (700/800 MHz)
Channels	Up to 1, 000
Battery Life	Up to 10 hours (digital)
Digital Protocol	APCO P25
Frequency	VHF: 136-174 MHz, UHF: 380-470 MHz, 700/800 MHz: 764-870 MHz
Power	1-3W (700/800 MHz), 1-5W (VHF)