Motorola CP160 Información de servicio - Página 3

Navegue en línea o descargue pdf Información de servicio para Radio portátil Motorola CP160. Motorola CP160 46 páginas. Uhf2 (438-470mhz)
También para Motorola CP160: Manual del usuario (46 páginas), Manual básico del usuario (16 páginas), Manual básico del usuario (16 páginas), Manual básico del usuario (18 páginas), Manual de servicio detallado (28 páginas), Manual de instalación del sintonizador Cps (6 páginas), Información de servicio (46 páginas)

Chapter 1

1.0 CP140/CP160/CP180 Model Chart .....................................................................1-1

2.0 Technical Specifications ......................................................................................1-2

Chapter 2

1.0 Introduction ..........................................................................................................2-1

2.0 UHF3 (465-495MHz) Receiver ...........................................................................2-1

2.1 Receiver Front-End .......................................................................................2-2

2.2 Receiver Back-End.........................................................................................2-3

3.0 UHF3 (465-495MHz) Transmitter.........................................................................2-4

3.1 Transmitter Power Amplifier ...........................................................................2-4

3.2 Antenna Switch...............................................................................................2-4

3.3 Harmonic Filter ...............................................................................................2-5

3.4 Antenna Matching Network ............................................................................2-5

3.5 Power Control.................................................................................................2-5

4.0 UHF3 (465-495MHz) Frequency Generation Circuitry........................................2-6

4.1 Fractional-N Synthesizer ................................................................................2-7

4.2 Voltage Controlled Oscillator (VCO) ...............................................................2-8

Chapter 3

1.0 Troubleshooting Table for Receiver.....................................................................3-1

2.0 Troubleshooting Table for Synthesizer ................................................................3-3

3.0 Troubleshooting Table for Transmitter ................................................................3-4

4.0 Troubleshooting Table for Board and IC Signals .................................................3-6

Chapter 4

UHF PCB/SCHEMATICS/PARTS LISTS

1.0 Allocation of Schematics and Circuit Boards .......................................................4-1

1.1 UHF3 (465-495MHz) ......................................................................................4-1

1.2 Six Layer Circuit Board...................................................................................4-1

2.0 UHF3 PCB 8486634Z02-O Schematic Diagrams................................................4-3

3.0 UHF3 PCB 8486634Z02-O Parts List ................................................................4-11

iii

Table of Contents