Motorola Astro Digital Mobile Radio Xtl5000 Detailled 6881096c74 B Manual

							Index-v
6881096C74-BMay 25, 2005
mobile
700-800 MHz  ....................................................... xlii
UHF Range 1  .........................................xxxiv, xxxvi
UHF Range 2  .................................................. xxxix
VHF ........................................................... xxix, xxxi
motorcycle
700-800 MHz  ........................................................ xli
UHF Range 1  ..........................................xxxii, xxxiii
UHF Range 2  ................................................. xxxviii
VHF ..................................................................xxviii
model numbering scheme  ....................................... xxvii
motorcycle
model chart
700-800 MHz  ........................................................ xli
UHF Range 1  ..........................................xxxii, xxxiii
UHF Range 2  ................................................. xxxviii
VHF ..................................................................xxviii
signal-routing diagram  ......................................... 8-21
N
notations, manual  ...................................................... 1-1
O
ON (output network)
136-174 MHz band
antenna switch  ................................................. 3-29
harmonic filter  ................................................... 3-29
power detector  .................................................. 3-29
theory of operation  ........................................... 3-29
380-470 MHz band
antenna switch  ................................................. 3-34
harmonic filter  ................................................... 3-34
power detector  .................................................. 3-35
theory of operation  ........................................... 3-34
450-520 MHz band
antenna switch  ................................................. 3-39
harmonic filter  ................................................... 3-39
power detector  .................................................. 3-39
theory of operation  ........................................... 3-38
700-800 MHz band
antenna switch  ................................................. 3-43
harmonic filter  ................................................... 3-43
power detector  .................................................. 3-43
theory of operation  ........................................... 3-42
transmitter ............................................................ 2-10
operational error codes  .............................................. 4-5
ordering replacement parts  ........................................ B-1
organization, manual  ................................................. 1-1
oscillator, local
1st
136-174 MHz band  ........................................... 3-49
380-470 MHz band  ........................................... 3-52
450-520 MHz band  ........................................... 3-57
700-800 MHz band  ........................................... 3-61
2nd
136-174 MHz band  ........................................... 3-21
380-470 MHz band  ........................................... 3-23
450-520 MHz band  ........................................... 3-24
700-800 MHz band  ........................................... 3-26
oscillator, reference
136-174 MHz band  .............................................. 3-46380-470 MHz band  .............................................. 3-50
450-520 MHz band  .............................................. 3-55
700-800 MHz band  .............................................. 3-59
out-of-lock condition, VCO  ........................................ 4-7
overview, radio  .......................................................... 2-1
P
parts
list
main board
136-174 MHz band  .............................. 7-47, 7-60
380-470 MHz band  .......................... 7-105, 7-120
450-520 MHz band  ..................................... 7-163
700-800 MHz band  ..................................... 7-207
remote interconnect board
motorcycle ...................................................... 8-5
standard ................................................. 8-4, 8-19
W3 hand-held control head  .......... 8-7, 8-11, 8-17
lists table  ................................................................ 7-1
ordering replacement  ............................................. B-1
replacement and substitution  ................................. 4-1
PIN diode switches (136-174 MHz band)  ................ 3-14
pin-out assignments, flex cables ............................... 9-1
power amplifier
136-174 MHz
theory of operation  .................................. 3-26, 3-28
troubleshooting ................................................. 4-34
380-470 MHz
theory of operation  .................................. 3-31, 3-33
troubleshooting ................................................. 4-35
450-520 MHz
theory of operation  ........................................... 3-37
troubleshooting ................................................. 4-35
700-800 MHz
theory of operation  ........................................... 3-41
troubleshooting ................................................. 4-35
description ........................................................... 2-10
power control
theory of operation
136-174 MHz band ........................................... 3-30
380-470 MHz band ........................................... 3-35
450-520 MHz band ........................................... 3-39
700-800 MHz band ........................................... 3-43
transmitter ............................................................ 2-10
power detector, ON
136-174 MHz band  .............................................. 3-29
380-470 MHz band  .............................................. 3-35
450-520 MHz band  .............................................. 3-39
700-800 MHz band  .............................................. 3-43
power distribution
controller .............................................................. 3-65
DC
136-174 MHz band ........................................... 3-13
380-470 MHz band ........................................... 3-12
450-520 MHz band ........................................... 3-12
700-800 MHz band ........................................... 3-13
introduction ....................................................... 3-12
power routing, controller B+  .................................... 3-65
power supplies, control-head assembly  .................... 2-7
power-up self-check errors  ........................................ 4-3
power-up/power-down sequence, controller  ........... 3-68
precautions 
						

							Index-vi
May 25, 20056881096C74-B
handling ................................................................. 4-1
heat-related ............................................................ 4-2
preselector filters, receiver front-end
136-174 MHz band  .............................................. 3-14
380-470 MHz band  .............................................. 3-16
450-520 MHz band  .............................................. 3-18
700-800 MHz band  .............................................. 3-19
programming flash  ................................................... 3-75
publications, related  ................................................... xxii
R
radio
136-174 MHz band
back-end receiver  ............................................... 2-8
DC power distribution  ....................................... 3-13
frequency generation unit  ................................. 2-10
front-end receiver section  ................................... 2-8
receiver ............................................................... 2-8
transmitter .......................................................... 2-9
380-470 MHz band
back-end receiver section  .................................. 2-9
DC power distribution  ....................................... 3-12
frequency generation unit  ................................. 2-11
front-end receiver section  ................................... 2-8
IF receiver section  .............................................. 2-8
receiver ............................................................... 2-8
transmitter .......................................................... 2-9
450-520 MHz band
DC power distribution  ....................................... 3-12
700-800 MHz band
back-end receiver section  .................................. 2-9
DC power distribution  ....................................... 3-13
frequency generation unit  ................................. 2-11
front-end receiver section  ................................... 2-9
receiver ............................................................... 2-9
transmitter ........................................................ 2-10
control-head assembly  ........................................... 2-2
controller
B+ power routing  .............................................. 3-65
DSP system clock  ............................................ 3-68
MCU system clock  ............................................ 3-68
power-up/power-down sequence  ..................... 3-68
serial peripheral interface (SPI) bus  ................. 3-71
theory of operation  ........................................... 3-62
daughtercard module theory of operation  ............ 3-64
functional blocks  .................................................... 2-1
overview ................................................................. 2-1
power amplifier assembly ..................................... 2-10
power-up/power-down sequence  ......................... 3-68
RF board
receiver back-end circuitry ................................ 3-20
theory of operation  ............................................. 3-1
specifications
700-800 MHz  ..................................................... xlvii
UHF Range 1  ...................................................... xlv
UHF Range 2  ..................................................... xlvi
VHF .................................................................... xliv
troubleshooting
precautions
handling .......................................................... 4-1
heat-related ..................................................... 4-2
procedures ......................................................... 4-1
waveforms .......................................................... 6-2receive audio, controller  .......................................... 3-72
receiver
136-174 MHz band
back-end
ABACUS III IC  .............................................. 3-20
description ...................................................... 2-8
IF .................................................................. 3-20
introduction ................................................... 3-20
front-end
description ...................................................... 2-8
introduction ................................................... 3-13
low-noise amplifier (LNA)  ............................. 3-14
mixer ............................................................. 3-15
PIN diode switches  ....................................... 3-14
preselector filters  .......................................... 3-14
step attenuator .............................................. 3-14
troubleshooting ............................................. 4-33
radios ................................................................. 2-8
380-470 MHz band
back-end
ABACUS III IC  .............................................. 3-22
description ...................................................... 2-9
IF filter ........................................................... 3-22
introduction ................................................... 3-21
front-end
description ...................................................... 2-8
first low-noise amplifier (LNA) ....................... 3-16
highpass filter  ............................................... 3-16
image filter  .................................................... 3-16
introduction ................................................... 3-15
low-noise amplifier (LNA)  ............................. 3-16
mixer ............................................................. 3-16
preselector filters  .......................................... 3-16
switchable attenuator .................................... 3-16
troubleshooting ............................................. 4-33
IF section, description  ........................................ 2-8
radios ................................................................. 2-8
450-520 MHz band
back-end
ABACUS III IC  .............................................. 3-23
IF filter ........................................................... 3-23
introduction ................................................... 3-23
front-end
first low-noise amplifier (LNA) ....................... 3-17
highpass filter  ............................................... 3-17
image filter  .................................................... 3-18
introduction ................................................... 3-17
low-noise amplifier (LNA)  ............................. 3-18
mixer ............................................................. 3-18
preselector filters  .......................................... 3-18
switchable attenuator .................................... 3-18
troubleshooting ............................................. 4-34
700-800 MHz band
back-end
ABACUS III IC  .............................................. 3-25
description ...................................................... 2-9
IF filter ........................................................... 3-25
introduction ................................................... 3-24
front-end ........................................................... 3-19
description ...................................................... 2-9 
						

							Index-vii
6881096C74-BMay 25, 2005
low-noise amplifier (LNA)  .............................. 3-19
mixer ............................................................. 3-20
preselector filters  .......................................... 3-19
troubleshooting ............................................. 4-34
radios .................................................................. 2-9
back-end, introduction  .......................................... 3-20
front-end, introduction  .......................................... 3-13
primary components ............................................... 2-8
reflashing firmware  .................................................. 3-76
related publications  .................................................... xxii
remote interconnect board
layout  ................................................... 8-3, 8-10, 8-14
schematic ............................................... 8-2, 8-9, 8-13
troubleshooting ...................................................... 8-1
replacement parts, ordering  ....................................... B-1
reset circuits, controller  ............................................ 3-67
RF board theory of operation  ..................................... 3-1
RF exposure compliance information  ............................ ii
RFPA
136-174 MHz band
driver stage  .............................................. 3-27, 3-28
final stage  ................................................ 3-27, 3-29
first stage  ................................................. 3-27, 3-28
theory of operation  .................................. 3-26, 3-28
380-470 MHz band
driver stage  .............................................. 3-32, 3-33
final stage  ................................................ 3-32, 3-34
first stage  ................................................. 3-32, 3-33
theory of operation  .................................. 3-31, 3-33
450-520 MHz band
driver stage  ....................................................... 3-38
final stage  ......................................................... 3-38
first stage  .......................................................... 3-37
theory of operation  ........................................... 3-37
700-800 MHz band
driver stage  ....................................................... 3-42
final stage  ......................................................... 3-42
first stage  .......................................................... 3-42
theory of operation  ........................................... 3-41
stages, transmitter ................................................ 2-10
rigid circuit boards, troubleshooting ........................... 4-2
RS-232 USB bus  ..................................................... 3-69
S
safety information, product  ............................................ ii
sampling clock oscillator, ABACUS III IC
136-174 MHz band  .............................................. 3-21
380-470 MHz band  .............................................. 3-23
450-520 MHz band  .............................................. 3-24
700-800 MHz  ....................................................... 3-26
SB9600 serial communications ............................... 3-71
schematics
listing
interconnect boards  ............................................ 8-1
main board  ......................................................... 7-1
main board layouts
700-800 MHz (HUF4017A)  ............................. 7-174
listing .................................................................. 7-1
UHF Range 1 (HUE4039A)  .............................. 7-72
UHF Range 2 (HUE4040A)  ............................ 7-132
VHF (HUD4022A)  ............................................... 7-3
secure
interface boardboard layouts .................................................... 8-20
kits ...................................................................... A-1
operations
errors .................................................................. A-2
keyload failure  .................................................... A-2
signal tracing procedures  .......................................... 4-3
signal-routing diagram, motorcycle  ......................... 8-21
specifications, radio
700-800 MHz  .........................................................xlvii
UHF Range 1  .......................................................... xlv
UHF Range 2  ......................................................... xlvi
VHF ........................................................................ xliv
SPI bus, controller  ................................................... 3-71
standard bias tables  ................................................ 4-28
step attenuator (136-174 MHz band) ...................... 3-14
T
terms, glossary of  .......................................... Glossary-1
test points, troubleshooting  ..................................... 5-12
theory of operation
136-174 MHz band
frequency generation unit (FGU)
charge pump bias  ......................................... 3-48
introduction ................................................... 3-45
lock detect  .................................................... 3-48
loop filter  ....................................................... 3-48
LV Frac-N synthesizer  .................................. 3-46
modulation .................................................... 3-47
prescaler feedback  ....................................... 3-49
receiver injection ........................................... 3-49
receiver VCOs  .............................................. 3-49
reference oscillator  ....................................... 3-46
superfilter ...................................................... 3-47
transmitter injection  ...................................... 3-48
transmitter VCOs  .......................................... 3-49
voltage multiplier ........................................... 3-47
major board sections  .......................................... 3-1
receiver
back-end ....................................................... 3-20
front-end ....................................................... 3-13
transmitter
introduction ................................................... 3-26
ON (output network)  ..................................... 3-29
power control  ................................................ 3-30
power control loop  ........................................ 3-30
protection mechanisms ................................. 3-31
RFPA ................................................... 3-26, 3-28
380-470 MHz band
frequency generation unit (FGU)
charge pump bias  ......................................... 3-52
introduction ................................................... 3-49
lock detect  .................................................... 3-52
loop filter  ....................................................... 3-52
LV Frac-N synthesizer  .................................. 3-50
modulation .................................................... 3-51
prescaler feedback  ....................................... 3-53
receiver injection ........................................... 3-52
receiver VCOs  .............................................. 3-53
reference oscillator  ....................................... 3-50
superfilter ...................................................... 3-51 
						

							Index-viii
May 25, 20056881096C74-B
transmitter injection  ....................................... 3-52
transmitter VCOs  .......................................... 3-53
voltage multiplier  ........................................... 3-51
major board sections  .......................................... 3-6
receiver
back-end ....................................................... 3-21
front-end ....................................................... 3-15
transmitter
introduction ................................................... 3-31
ON (output network)  ..................................... 3-34
power control  ................................................ 3-35
power control loop  ........................................ 3-36
protection mechanisms  ................................. 3-37
RFPA ................................................... 3-31, 3-33
450-520 MHz band
frequency generation unit (FGU)
charge pump bias  ......................................... 3-56
introduction ................................................... 3-54
lock detect ..................................................... 3-56
loop filter  ....................................................... 3-56
LV Frac-N synthesizer  .................................. 3-55
modulation .................................................... 3-56
prescaler feedback  ....................................... 3-58
receiver injection  ........................................... 3-57
receiver VCOs  .............................................. 3-57
reference oscillator  ....................................... 3-55
superfilter ...................................................... 3-56
transmitter injection  ....................................... 3-57
transmitter VCOs  .......................................... 3-57
voltage multiplier  ........................................... 3-55
major board sections  .......................................... 3-6
receiver
back-end ....................................................... 3-23
front-end ....................................................... 3-17
transmitter
introduction ................................................... 3-37
ON (output network)  ..................................... 3-38
power control  ................................................ 3-39
power control loop  ........................................ 3-40
protection mechanisms  ................................. 3-41
RFPA ............................................................ 3-37
700-800 MHz band
frequency generation unit (FGU)
charge pump bias  ......................................... 3-60
introduction ................................................... 3-58
lock detect ..................................................... 3-60
loop filter  ....................................................... 3-60
LV Frac-N synthesizer  .................................. 3-59
modulation .................................................... 3-60
prescaler feedback  ....................................... 3-62
receiver injection  ........................................... 3-61
receiver VCOs  .............................................. 3-62
reference oscillator  ....................................... 3-59
superfilter ...................................................... 3-60
transmitter injection  ....................................... 3-61
transmitter VCOs  .......................................... 3-61
voltage multiplier  ........................................... 3-59
introduction ....................................................... 3-41
major board sections  ........................................ 3-10
receiverback-end ....................................................... 3-24
front-end ....................................................... 3-19
transmitter
ON (output network)  ..................................... 3-42
power control  ................................................ 3-43
power control loop  ........................................ 3-44
protection mechanisms ................................. 3-45
RFPA ............................................................ 3-41
control head
W4, W5, W7  ....................................................... 2-2
controller
description ........................................................ 3-62
DSP system clock  ............................................ 3-68
MCU system clock  ........................................... 3-68
power-up/power-down sequence ..................... 3-68
serial peripheral interface (SPI) bus  ................. 3-71
daughtercard module  ........................................... 3-64
receive audio  ....................................................... 3-72
RF board description  ............................................. 3-1
trademark information  ................................................... ii
transmit audio, main board  ...................................... 3-74
transmitter
136-174 MHz band
50-Watt
ON (output network)
antenna switch  .......................................... 3-29
harmonic filter  ........................................... 3-29
introduction ............................................... 3-29
power detector  .......................................... 3-29
power control  ................................................ 3-30
RFPA
driver stage  ...................................... 3-27, 3-28
final stage ......................................... 3-27, 3-29
first stage  ......................................... 3-27, 3-28
introduction ...................................... 3-26, 3-28
components ........................................................ 2-9
power control
power control loop  ........................................ 3-30
protection mechanisms ................................. 3-31
theory of operation  ........................................... 3-26
380-470 MHz band
40-Watt
ON (output network)
antenna switch  .......................................... 3-34
harmonic filter  ........................................... 3-34
introduction ............................................... 3-34
power detector  .......................................... 3-35
power control  ................................................ 3-35
RFPA
driver stage  ...................................... 3-32, 3-33
final stage ......................................... 3-32, 3-34
first stage  ......................................... 3-32, 3-33
introduction ...................................... 3-31, 3-33
components ........................................................ 2-9
power control
power control loop  ........................................ 3-36
protection mechanisms ................................. 3-37
theory of operation  ........................................... 3-31
450-520 MHz band
45-Watt
ON (output network) 
						

							Index-ix
6881096C74-BMay 25, 2005
antenna switch  .......................................... 3-39
harmonic filter  ............................................ 3-39
introduction ................................................ 3-38
power detector  .......................................... 3-39
power control  ................................................ 3-39
RFPA
driver stage  ............................................... 3-38
final stage  .................................................. 3-38
first stage ................................................... 3-37
introduction ................................................ 3-37
power control
power control loop  ........................................ 3-40
protection mechanisms  ................................. 3-41
theory of operation  ........................................... 3-37
700-800 MHz band
35-Watt
ON (output network)
antenna switch  .......................................... 3-43
harmonic filter  ............................................ 3-43
power detector  .......................................... 3-43
RFPA
driver stage  ............................................... 3-42
final stage  .................................................. 3-42
first stage ................................................... 3-42
introduction ................................................ 3-41
components ...................................................... 2-10
power control
power control loop  ........................................ 3-44
protection mechanisms  ................................. 3-45
theory of operation  ........................................... 3-41
circuit protection  ................................................... 2-10
description ............................................................ 3-26
ON (output network)  ............................................. 2-10
power control  ....................................................... 2-10
primary components ............................................... 2-9
RFPA .................................................................... 2-10
troubleshooting
board ID jumper configuration  .............................. 5-13
charts
introduction ......................................................... 5-1
list ....................................................................... 5-1
daughtercard module  ............................................. 4-2
FGU troubleshootong aids
136-174 MHz band  ............................................. 4-7
380-470 MHz band  ........................................... 4-13
450-520 MHz band  ........................................... 4-19
700-800 MHz band  ........................................... 4-24
flowcharts
136-174 MHz band
low or no RX injection signal ......................... 5-21
low or no TX injection signal ......................... 5-22
no output power and IDC  .............................. 5-26
no output power at TX mode  ........................ 5-25
poor RX sensitivity or no RX audio  ............... 5-15
RX back-end-poor SINAD or no audio  .......... 5-18
RX IF-poor SINAD or no audio ..................... 5-17
TX or RX VCO unlock (Fail 001)  ................... 5-23
380-470 MHz and 450-520 MHz bands
low or no RX injection signal ......................... 5-35
low or no TX injection signal ......................... 5-36
no 16.8 MHz reference oscillator frequency  . 5-27no TX audio  .................................................. 5-37
poor RX sensitivity or no RX audio  ............... 5-28
RFPA power control-no VGBIAS  .................. 5-45
RFPA-no or low TX power output  ................. 5-40
RX back-end-poor SINAD or no audio  ......... 5-32
RX IF-poor SINAD or no audio ..................... 5-30
TX or RX VCO unlock (Fail 001)  .................. 5-38
700-800 MHz band
low or no RX injection signal  ........................ 5-53
low or no TX injection signal  ......................... 5-54
no 16.8 MHz reference oscillator frequency  . 5-46
no TX audio  .................................................. 5-55
poor RX sensitivity or no RX audio  ............... 5-47
RFPA power control-no K9.1V  ..................... 5-63
RFPA power control-no or low TX RFPA_CNTRL 
5-65
RFPA power control-no VGBIAS  .................. 5-64
RFPA-no or low TX power output  ................. 5-58
RX back-end-poor SINAD or no audio  ......... 5-50
RX IF-poor SINAD or no audio ..................... 5-49
TX or RX VCO unlock (Fail 001)  .................. 5-56
operational error codes  .......................................... 4-5
parts replacement and substitution  ........................ 4-1
power-up self-check errors  .................................... 4-3
precautions
handling .............................................................. 4-1
heat-related ........................................................ 4-2
procedures
136-174 MHz band
main board ...................................................... 4-5
power amplifier  ............................................. 4-34
receiver front-end  ......................................... 4-33
380-470 MHz band
main board .....................................................4-11
power amplifier  ............................................. 4-35
receiver front-end  ......................................... 4-33
450-520 MHz band
main board .................................................... 4-17
power amplifier  ............................................. 4-35
receiver front-end  ......................................... 4-34
700-800 MHz band
main board .................................................... 4-22
power amplifier  ............................................. 4-35
receiver front-end  ......................................... 4-34
signal tracing  ...................................................... 4-3
standard bias tables  ......................................... 4-28
voltage measurement procedures ...................... 4-3
remote interconnect board
layout ................................................ 8-3, 8-10, 8-14
schematic ........................................... 8-2, 8-9, 8-13
rigid circuit boards .................................................. 4-2
schematics
main board
700-800 MHz (HUF4017A)  ......................... 7-174
listing .............................................................. 7-1
UHF Range 1 (HUE4039A) .......................... 7-72
UHF Range 2 (HUE4040A) ........................ 7-132
VHF (HUD4022A)  ........................................... 7-3
remote interconnect board  ................. 8-2, 8-9, 8-13
secure operations
errors .................................................................. A-2 
						

							Index-x
May 25, 20056881096C74-B
keyload failure  .................................................... A-2
table ....................................................................... 5-3
test points  ............................................................. 5-12
waveforms .............................................................. 6-2
U
UHF Range 1 radio specifications  .............................. xlv
UHF Range 2 radio specifications  ............................. xlvi
universal crypto module (UCM) kits ........................... A-1
V
VCO (voltage-controlled oscillator assembly)
out-of-lock condition  ............................................... 4-7
vehicle interface ports
connections
input .................................................................... 2-6
output ................................................................. 2-6dash-mount control-head configuration ................. 2-2
DEK interface with radio  ........................................ 2-7
description ............................................................. 2-2
remote-mount
control-head configuration .................................. 2-2
plus DEK configuration ....................................... 2-4
W3 control-head configuration  ........................... 2-4
VIP input connections  ............................................ 2-6
VHF radio specifications ............................................ xliv
voltage-controlled oscillator (VCO) assembly
out-of-lock condition ............................................... 4-7
W
W3 hand-held interconnect board ............................. 8-1
warranty information  ..................................................xxiii
waveforms
listing ...................................................................... 6-1
troubleshooting ...................................................... 6-2 
						

							6881096C 74-B
* 6881096C74*
M OTO RO LA , th e S ty liz e d M  L ogo, A STR O  a nd F LA SH port a re  re gis te re d in  th e U .S . P ate nt a nd T ra dem ark  O ff ic e . A ll  o th erpro duct o r s e rv ic e  n am es a re  th e p ro perty  o f th eir  r e sp ectiv e  o w ners .©  M oto ro la , In c. 2 005.A ll  r ig hts  r e se rv e d. P rin te d in  U .S .A .
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