Table Of Contents - Motorola PR860 Detailed Service Manual

Table of Contents

Table of Contents
Foreword .................................................................................................. ii
Product Safety and RF Exposure Compliance...........................................................................ii
Manual Revisions .......................................................................................................................ii
Computer Software Copyrights ..................................................................................................ii
Document Copyrights.................................................................................................................ii
Disclaimer...................................................................................................................................ii
Trademarks ................................................................................................................................ii
List of Figures ............................................................................................. ix
Chapter 1 Introduction ........................................................................1-1
1.1 Scope of Manual ........................................................................................................... 1-1
1.2 Warranty and Service Support...................................................................................... 1-1
1.2.1 Warranty Period ............................................................................................... 1-1
1.2.2 Return Instructions........................................................................................... 1-1
1.2.3 After Warranty Period ...................................................................................... 1-1
1.3 Related Documents ...................................................................................................... 1-2
1.4 Technical Support ......................................................................................................... 1-2
1.4.1 Piece Parts Availability..................................................................................... 1-2
1.5 Radio Model Chart and Specifications.......................................................................... 1-3
1.6 Radio Model Information............................................................................................... 1-3
Chapter 2 Theory of Operation...........................................................2-1
2.1 Introduction ................................................................................................................... 2-1
2.2 Radio Power Distribution .............................................................................................. 2-1
2.3 Controller Board............................................................................................................ 2-3
2.3.1 MCU Digital...................................................................................................... 2-3
2.3.2 MODB/VSTBY Supply ..................................................................................... 2-4
2.3.3 Audio/Signaling ................................................................................................ 2-4
2.4 UHF1 Transmitter ......................................................................................................... 2-4
2.4.1 Power Amplifier (PA)........................................................................................ 2-5
2.4.2 Antenna Switch ................................................................................................ 2-5
2.4.3 Harmonic Filter................................................................................................. 2-5
2.4.4 Antenna Matching Network.............................................................................. 2-5
2.4.5 Power Control Integrated Circuit (PCIC).......................................................... 2-5
2.4.6 Temperature Cut Back Circuit.......................................................................... 2-6
2.5 UHF1 Receiver ............................................................................................................. 2-6
2.5.1 Receiver Front-End.......................................................................................... 2-6
2.5.2 Receiver Back-End .......................................................................................... 2-7
2.5.3 Frequency Generation Circuit .......................................................................... 2-8
2.6 UHF1 Synthesizer......................................................................................................... 2-9
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