Motorola ASTRO Digital XTL 5000 Detailed Service Manual page 518

Index-ii
plus DEK configuration ................................... 2-4
standard configuration .................................... 2-2
W3 configuration ............................................. 2-4
VIP input connections ......................................... 2-6
controller
analog mode of operation .................................... 2-12
ASTRO mode of operation ................................... 2-13
components and circuitry ..................................... 2-13
daughtercard module ........................................... 3-64
DC power distribution ........................................... 3-65
DSP system clock ................................................ 3-68
encryption voltages .............................................. 3-66
external bus serial communications ..................... 3-71
MCU system clock ............................................... 3-68
power-up/power-down sequence ......................... 3-68
receive audio ........................................................ 3-72
reset circuits ......................................................... 3-67
SPI bus ................................................................ 3-71
theory of operation ............................................... 3-62
copyrights
computer software ......................................................ii
document ...................................................................ii
D
daughtercard module
overview ............................................................... 2-13
theory of operation ............................................... 3-64
troubleshooting ...................................................... 4-2
DC power distribution
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
DSP system clock .................................................... 3-68
E
encryption
errors
09/10 ..................................................................A-2
09/90 ..................................................................A-2
keyload failure ....................................................A-2
S03 .....................................................................A-2
self-test ...............................................................A-2
secure
interface board
kits ..................................................................A-1
schematics .................................................... 8-20
module circuit description ...................................A-2
universal crypto module kits ...................................A-1
voltages, controller ............................................... 3-66
errors
09/10 ......................................................................A-2
09/90 ......................................................................A-2
operational codes ................................................... 4-5
power-up self-check ............................................... 4-3
S03 .........................................................................A-2
external bus serial communications, controller ........ 3-71
May 25, 2005
F
filter
harmonic
136-174 MHz band ........................................... 3-29
380-470 MHz band ........................................... 3-34
450-520 MHz band ........................................... 3-39
700-800 MHz band ........................................... 3-43
highpass, receiver front-end (380-470 MHz band) .. 3-
16
highpass, receiver front-end (450-520 MHz band) .. 3-
17
loop
136-174 MHz band ........................................... 3-48
380-470 MHz band ........................................... 3-52
450-520 MHz band ........................................... 3-56
700-800 MHz band ........................................... 3-60
preselector, 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
receiver back-end IF
380-470 MHz band ........................................... 3-22
450-520 MHz band ........................................... 3-23
700-800 MHz band ........................................... 3-25
firmware, reflashing ................................................. 3-76
flash programming ................................................... 3-75
flex cables pin-out assignments ................................ 9-1
flowcharts, troubleshooting ...................................... 5-14
136-174MHz 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 ..... 5-27
no 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 ..................................... 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
frequency generation unit (FGU)
6881096C74-B