User's Manual

Table Of Contents
Index-4
October 14, 2003 6881094C31-C
T
temperature cut back, PCIC 3-13
terms and definitions Glossary-1
timer module, DSP 3-19
tools, recommended service 4-2
trademark information ii
transceiver
antenna port J2 3-5
battery connector J3 3-3
block diagram 3-2, 3-3
board overlays
700-800 MHz 8-10
UHF 8-55
VHF 8-41
detailed theory 3-2
interconnections 3-3
parts list
700-800 MHz 8-12, 8-26
UHF 8-57, 8-73
VHF 8-43
power conditioning 3-5
power distribution diagram 2-3
schematics 8-3
serial EEPROM 3-5
VOCON connector P1 3-3
voltage regulators 2-3
transmit audio path, VOCON board 3-32
transmitter
antenna switch 3-10
directional coupler U101 3-10
driver amplifier U102 3-9
harmonic filter 3-10
introduction 3-8
PCIC (power-control IC) U104 3-11
power amplifier transistor 3-10
power distribution 3-9
power-control IC (PCIC) 3-8
RF detectors 3-11
summing amplifier U106 3-11
troubleshooting
button test 5-16
channel/zone select error 5-15
charts listing 5-1
DC supply failure 5-5
display failure
800 MHz 5-11
VHF 5-8
handling precautions 4-1
keyload failure 5-34
main chart 5-2
power-up failure 5-3
power-up self-check
diagnostics and repair 4-6
errors 4-5
secure hardware failure 5-35
service tools 4-2
signal tracing 4-3
standard supply voltages 4-4
system clocks 4-4
top/side button test 5-17
VCO Tx/Rx unlock 5-18
VOCON
Rx audio 5-21
Rx RF 5-23
Tx audio 5-19
Tx RF (UHF R1/700-800 MHZ) 5-31
Tx RF (VHF) 5-28
voltage measurement 4-3
volume set error 5-14
troubleshooting waveforms
13 MHz clock 6-2
16.8 MHz buffer input and output 6-3
32.768 kHz clock outputs 6-4
list 6-1
receive baseband interface port (BBP) 6-7
RX serial audio port (SAP) 6-6
SPI B data 6-5
transmit baseband interface port (BBP) 6-8
U
UHF Range 1
model chart
non-ruggedized xx
ruggedized xxi
radio specifications xxv
universal asynchronous receiver/transmitter
(UART) 3-19
universal connector
interface circuitry, VOCON board 3-28
J101 3-17
location 3-28
option selects 3-29
universal flex assembly 3-30
universal serial bus (USB) 3-20
USB transceiver, flipper IC 3-25
V
VCO (voltage-controlled oscillator) 3-8
VCO buffer IC (VCOBIC) U200, FGU 3-15
VHF
model chart
non-ruggedized xviii
ruggedized xix
radio specifications xxiv
VOCON board
5-volt regulator U505 3-23
audio
components 3-22
power amplifier U503 3-24
pre-amplifier U502 3-24
board overlays
NTN9564B 8-86
NTN9564C 8-100
connector J101 pin-outs 3-28
controller components 3-17
controls and control top flex 3-30
display
module 3-29
module connector P301 3-17
EEPOT potentiometer U509 3-24
encryption connector J701 3-17
ESD protection circuitry 3-27
Flash memory IC U402 3-21
flipper IC U301 3-25
GCAP II IC U501 3-22