Motorola Astro Xts5000 Detailed 6881094c31 E Manual

ASTRO
®   
XTS
™
 5000
 
     VHF
     UHF Range 1
     UHF Range 2
     700 — 800 MHz
Digital Portable Radios
Detailed Service Manual
  

Title PageASTRO® XTS™ 5000
VHF/UHF Range 1/Range 2/700–800 MHz
Digital Portable Radios
Detailed Service Manual
Motorola, Inc.
8000 West Sunrise Boulevard
Fort Lauderdale, Florida 33322
6881094C31-E 

Foreword
The information contained in this manual relates to all ASTRO® XTS™ 5000 digital portable radios, unless otherwise 
specified. This manual provides sufficient information to enable qualified service shop technicians to troubleshoot and 
repair an ASTRO XTS 5000 digital portable radio to the component level.
For details on the operation of the radio or level 1 or 2 maintenance procedures, refer to the applicable manuals, which are 
available separately. A list of related publications is provided...

Table of Contentsiii
6881094C31-ENovember 16, 2006
Table of Contents
Foreword .........................................................................................................ii
Product Safety and RF Exposure Compliance .......................................................................................... i-ii
Manual Revisions ...................................................................................................................................... i-ii
Computer Software Copyrights...

ivTable of Contents
November 16, 20066881094C31-E
Chapter 3 Theory of Operation ............................................................ 3-1
3.1 Transceiver Board.......................................................................................................................... 3-2
3.2 VOCON Board ............................................................................................................................. 3-16
3.3 Encryption Module...

Table of Contentsv
6881094C31-ENovember 16, 2006
Chapter 8 Schematics, Board Overlays, and Parts Lists .................. 8-1
8.1 List of Transceiver Schematics and Board Overlays ..................................................................... 8-1
8.2 List of VOCON Schematics and Board Overlays........................................................................... 8-1
8.3 Transceiver (RF) Boards...

viTable of Contents
November 16, 20066881094C31-E
Notes 

List of Figuresvii
6881094C31-ENovember 16, 2006
List of Figures
Figure 2-1. DC Power Distribution—UHF Range 1 and 700–800 MHz Radios ...................................... 2-2
Figure 2-2. DC Power Distribution—VHF and Range 2 Radios.............................................................. 2-2
Figure 2-3. DC Power Distribution—UHF Range 1 and 700–800 MHz Radios (for NNTN5567) ............ 2-3
Figure 2-4. DC Power Distribution—VHF and Range 2 Radios (for NNTN5567) ......................................

viiiList of Figures
November 16, 20066881094C31-E
Figure 8-21. NLD8910H VHF Antenna Switch and Harmonic Filter Circuits ........................................... 8-33
Figure 8-22. NLD8910H VHF Receiver Front End Circuit ....................................................................... 8-34
Figure 8-23. NLD8910H VHF Receiver Amplifier and Filter Circuit ......................................................... 8-35
Figure 8-24. NLD8910H VHF Mixer and IF Filter Circuits...

List of Figuresix
6881094C31-ENovember 16, 2006
Figure 8-72. NTN9564C VOCON Universal Connector Circuit ............................................................. 8-111
Figure 8-73. NTN9564C VOCON Flipper Circuit................................................................................... 8-112
Figure 8-74. NTN9564C VOCON Controller and Memory Circuits—1 of 2........................................... 8-113
Figure 8-75. NTN9564C VOCON Controller and Memory Circuits—2 of...