Motorola ASTRO XTL 1500 Detailed Service Manual page 445

Index-iv
M
main board
136-174 MHz band
major sections .................................................... 3-8
theory of operation
FGU .............................................................. 3-45
power distribution .......................................... 3-16
receiver front-end .......................................... 3-16
RFPA ............................................................ 3-29
transmitter ..................................................... 3-29
troubleshooting ................................................... 4-5
380-470 MHz band
major sections .................................................. 3-11
theory of operation
FGU .............................................................. 3-49
power distribution .......................................... 3-15
receiver back-end ......................................... 3-24
receiver front-end .......................................... 3-18
RFPA ............................................................ 3-33
transmitter ..................................................... 3-33
troubleshooting ................................................. 4-11
450-520 MHz band
major sections .................................................. 3-11
theory of operation
FGU .............................................................. 3-54
power distribution .......................................... 3-15
receiver back-end ......................................... 3-26
receiver front-end .......................................... 3-20
RFPA ............................................................ 3-37
transmitter ..................................................... 3-37
troubleshooting ................................................. 4-17
700-800 MHz band
major sections .................................................. 3-13
theory of operation
FGU .............................................................. 3-58
power distribution .......................................... 3-16
receiver back-end ......................................... 3-27
receiver front-end .......................................... 3-22
RFPA ............................................................ 3-41
transmitter ..................................................... 3-41
troubleshooting ................................................. 4-22
flash programming ............................................... 3-75
receive audio ........................................................ 3-72
reflash firmware ................................................... 3-76
RS-232 USB bus .................................................. 3-69
theory of operation
controller ........................................................... 3-62
power distribution ............................................. 3-15
receiver ............................................................. 3-16
transmitter ........................................................ 3-29
transmit audio ...................................................... 3-73
manual
introduction ............................................................ 1-1
notations ................................................................. 1-1
organization ........................................................... 1-1
revisions .....................................................................ii
MCU system clock ................................................... 3-68
mixer, receiver front-end
136-174 MHz band .............................................. 3-18
380-470 MHz band .............................................. 3-19
450-520 MHz band .............................................. 3-21
June 15, 2005
700-800 MHz band .............................................. 3-23
mobile model chart
700-800 MHz ........................................................ xxix
UHF Range 1 ........................................................xxvii
UHF Range 2 .......................................................xxviii
VHF ....................................................................... xxvi
mode
analog .................................................................... 2-9
ASTRO ................................................................ 2-10
model chart
mobile
700-800 MHz ..................................................... xxix
UHF Range 1 ....................................................xxvii
UHF Range 2 ...................................................xxviii
VHF ................................................................... xxvi
model numbering scheme ......................................... xxv
N
notations, manual ...................................................... 1-1
O
ON (output network)
136-174 MHz band
antenna switch ................................................. 3-31
harmonic filter ................................................... 3-31
power detector ................................................. 3-31
theory of operation ........................................... 3-30
380-470 MHz band
antenna switch ................................................. 3-35
harmonic filter ................................................... 3-35
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 .............................................................. 2-7
operational error codes ............................................. 4-5
ordering replacement parts ........................................ A-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 ........................................... 3-24
380-470 MHz band ........................................... 3-26
450-520 MHz band ........................................... 3-27
700-800 MHz band ........................................... 3-29
oscillator, reference
136-174 MHz band .............................................. 3-46
380-470 MHz band .............................................. 3-50
450-520 MHz band .............................................. 3-55
6815854H01-A