EFJohnson 001-9800-001 Manuales de usuario

Tabla de contenidos

• TABLE OF CONTENTS

  3
• SECTION 1 GENERAL INFORMATION

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  • 1.1 SCOPE OF MANUAL

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    • 1.1.1 General

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    • 1.1.2 LTR®, Low Tier, and Data Models

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  • 1.2 TRANSCEIVER DESCRIPTION

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    • 1.2.1 General

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    • 1.2.2 Available Frequency Bands

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    • 1.2.3 Front and Remote Mounting

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    • 1.2.4 NPSPAC Models (800 MHz Only)

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    • 1.2.5 Programming

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    • 1.2.6 Transceiver Alignment

      7
  • 1.3 PART NUMBER BREAKDOWN

    7
  • 1.4 TRANSCEIVER IDENTIFICATION

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  • 1.5 ACCESSORIES

    8
  • 1.6 PRODUCT WARRANTY

    9
  • 1.7 FACTORY CUSTOMER SERVICE

    9
  • 1.8 FACTORY RETURNS

    10
  • 1.9 REPLACEMENT PARTS

    10
  • 1.10 INTERNET HOME PAGE

    10
  • 800 MHz 988x SPECIFICATIONS

    12
  • 900 MHz 989x SPECIFICATIONS

    13
  • UHF 984x SPECIFICATIONS

    11
• SECTION 2 INSTALLATION

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  • 2.1 GENERAL

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    • 2.1.1 Scope of Instructions

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    • 2.1.2 Performance Tests

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    • 2.1.3 Transceiver Programming

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    • 2.1.4 Required Power Source

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  • 2.2 MOUNTING THE TRANSCEIVER

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    • 2.2.1 Selecting A Mounting Location

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    • 2.2.2 Installation Components

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    • 2.2.3 Attaching Mounting Bracket

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  • 2.3 POWER CABLE INSTALLATION

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  • 2.4 ACCESSORY CABLE INSTALLATION

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    • 2.4.1 General

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    • 2.4.2 Accessory Pigtail Installation

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    • 2.4.3 Connecting Ignition Sense Wire

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    • 2.4.4 Connecting Horn Alert Wire

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    • 2.4.5 Other Accessory Cable Outputs

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  • 2.5 REMOTE CONTROL UNIT INSTALLATION

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    • 2.5.1 General

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    • 2.5.2 Mounting Remote Control Unit

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  • 2.6 USING AN EXTERNAL SPEAKER

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  • 2.7 DATA CABLE INSTALLATION

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    • 2.7.1 General

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    • 2.7.2 Data Cable Installation

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  • 2.8 KEY CAP KITS

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    • 2.8.1 Multi-Net and LTR-Net Models

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    • 2.8.2 SMARTNET/SmartZone Models

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• SECTION 3 CIRCUIT DESCRIPTION

  23
  • 3.1 GENERAL TRANSCEIVER DESCRIPTION

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    • 3.1.1 Introduction

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    • 3.1.2 Circuit Protection (Fuses)

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    • 3.1.3 Synthesizer

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    • 3.1.4 Audio/Logic Board

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    • 3.1.5 Receiver

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    • 3.1.6 Transmitter

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  • 3.2 POWER DISTRIBUTION AND SWITCHING

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    • 3.2.1 Power Switching Control

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    • 3.2.2 Supply Switching

      24
  • 3.3 AUDIO/LOGIC BOARD DIGITAL CIRCUIT

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    • 3.3.1 Microcontroller (U101)

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    • 3.3.2 Memory and Latch Programming

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  • 3.4 RECEIVE AUDIO/DATA PROCESSING

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    • 3.4.1 Amplifier (U301B)

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    • 3.4.2 Receive Audio Processing

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    • 3.4.3 Receive Data Processing

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    • 3.4.4 Squelch Circuit (U304A, U304B)

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  • 3.5 TRANSMIT AUDIO/DATA PROCESSING

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    • 3.5.1 Microphone Amplifier (U303B), High-Pass Filter (U303C)

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    • 3.5.2 Summing Amplifier (U303D), Pre- Emphasis/Limiter (U303A)

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    • 3.5.3 Splatter Filter (U302B, U302C)

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    • 3.5.4 Transmit Data Circuit (U302D, U302A)

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  • 3.6 DISPLAY BOARD

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  • 3.7 SYNTHESIZER CIRCUIT DESCRIPTION (UHF MODELS)

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    • 3.7.1 Introduction

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    • 3.7.2 Voltage-Controlled Oscillator

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    • 3.7.3 Active Filter (Q800), Buffer Amplifier (Q801)

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    • 3.7.4 VCO and TCXO Modulation

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    • 3.7.5 Synthesizer Integrated Circuit (U804)

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    • 3.7.6 Lock Detect

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    • 3.7.7 Charge Pump

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    • 3.7.8 Shift Register (U800, U801) and Digital Potentiometer (U802) Programming

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  • 3.8 RECEIVER CIRCUIT DESCRIPTION (UHF MODELS)

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    • 3.8.1 Front End Filter

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    • 3.8.2 RF Amplifier (Q201)

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    • 3.8.3 First Mixer (Q202), Injection Amplifier (Q204)

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    • 3.8.4 Second Mixer/Detector (U201)

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  • 3.9 TRANSMITTER CIRCUIT DESCRIPTION (UHF MODELS)

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    • 3.9.1 First and Second Amplifiers

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    • 3.9.2 Third Amp and Predriver

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    • 3.9.3 Driver (Q600), Final (Q601)

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    • 3.9.4 Antenna Switch

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    • 3.9.5 Directional Coupler, Low-Pass Filter

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    • 3.9.6 Power Control (U500A/B, Q500-Q503)

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  • 3.10 SYNTHESIZER CIRCUIT DESCRIPTION (800/900 MHz MODELS)

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    • 3.10.1 Introduction

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    • 3.10.2 Voltage-Controlled Oscillator

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    • 3.10.3 VCO and TCXO Modulation

      46
    • 3.10.4 Active Filter (Q800)

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    • 3.10.5 Buffer Amplifier (Q801), Tx/Tx Switch (CR801/CR802)

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    • 3.10.6 Synthesizer Integrated Circuit (U804)

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    • 3.10.7 Lock Detect

      49
    • 3.10.8 Charge Pump

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    • 3.10.9 Shift Register (U800, U801) and Digital Potentiometer (U802) Programming

      49
  • 3.11 RECEIVER CIRCUIT DESCRIPTION (800/900 MHz MODELS)

    49
    • 3.11.1 Front End Filter

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    • 3.11.2 RF Amplifier (Q201)

      49
    • 3.11.3 First Mixer (Q202), Crystal Filter (Z204)

      50
    • 3.11.4 Second Mixer/Detector (U201)

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  • 3.12 TRANSMITTER CIRCUIT DESCRIPTION (800/900 MHz MODELS)

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    • 3.12.1 Predriver (Q506), Driver (Q507)

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    • 3.12.2 Power Amplifier Module (U600), Final (Q651)

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    • 3.12.3 Antenna Switch

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    • 3.12.4 Directional Coupler, Low- Pass Filter

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    • 3.12.5 Power Control (U500A/B, Q500- Q503)

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• SECTION 4 SERVICING

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  • 4.1 GENERAL

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    • 4.1.1 Periodic Checks

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    • 4.1.2 Schematic Diagrams and Component Layouts

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    • 4.1.3 Replacement Parts

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    • 4.1.4 Configuring Transceiver for Testing

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  • 4.2 SURFACE MOUNTED DEVICES (SMDs)

    55
    • 4.2.1 Servicing Techniques

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    • 4.2.2 Identifying SMD Resistors

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    • 4.2.3 SMD Capacitor Identification

      56
    • 4.2.4 SMD Inductor Identification

      57
    • 4.2.5 Transistor/Diode Identification

      57
  • 4.3 SYNTHESIZER TROUBLESHOOTING

    57
    • 4.3.1 Introduction

      57
    • 4.3.2 Reference Oscillator (U806)

      58
    • 4.3.3 VCO Module

      58
    • 4.3.4 Synthesizer IC (U804)

      58
    • 4.3.5 Determining Synthesizer Counter Divide Numbers

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  • 4.4 RECEIVER SERVICING

    59
  • 4.5 TRANSMITTER SERVICING

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  • 4.6 AUDIO/LOGIC BOARD SERVICING

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    • 4.6.1 Digital Circuits

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    • 4.6.2 Analog Circuits

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• SECTION 5 PARTS LIST

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• SECTION 6 SCHEMATICS AND BOARD LAYOUTS

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