Motorola VRS750 Manuals

Manuals and User Guides for Motorola VRS750. We have 1 Motorola VRS750 manual available for free PDF download: Service Manual

Motorola VRS750 Service Manual

Motorola VRS750 Service Manual (104 pages)

Vehicular Repeater System

Brand: Motorola | Category: Repeater | Size: 1.01 MB

Table of Contents

Table of Contents

3
- Foreword
  
  2
- User Safety, Training, and General Information
  
  5
- Safe Handling of CMOS Integrated-Circuit Devices
  
  8
- Model Chart for the VRS750
  
  9
- VHF VRS750 Performance Specifications
  
  10
- UHF VRS750 Performance Specifications
  
  10
- Glossary of Terms
  
  11
- List of Abbreviations and Acronyms
  
  12
  - List of
    12
- 1 Introduction
  
  13
  - Description
    13
  - Ordering Information
    14
  - VRS Features
    15
  - Mutually-Exclusive Features
    15
- 2 Installation
  
  17
- 3 VRS Operation
  
  31
  - General
    31
  - Control Unit
    31
  - Vehicle Interface Ports
    32
  - VRS Access
    32
  - In-Car Monitor
    32
  - Mobile Audio Repeat
    33
- 4 Operation of VRS Options
  
  35
  - Base Repeater
    35
  - Mobile Detector
    35
  - VRS Transmit PL Generator
    35
  - VRS Mode Steering
    35
  - Time-Out Timer
    38
  - VRS Single Tone
    38
  - VRS Mobile-TX Acknowledgment Tones (Conventional Only)
    39
  - Flashing Display
    39
  - Repeater PPI
    39
  - Quick-Key
    39
- 5 Detailed VRS Operation
  
  41
  - Multi-VRS Operation
    41
  - Rptr PPI-Portable Priority Interrupt
    46
  - TX PL Self-Clearing
    48
  - ICM Functions
    49
  - Acknowledgment Tones
    50
  - Non-Priority VRS Rules
    52
  - Emergency
    53
- 6 Hardware Detailed Theory of Operation
  
  55
  - Transceiver
    55
  - Interface Board
    55
  - Power Regulation
    55
  - Bus Translation Circuitry
    55
  - Audio Routing Circuitry
    56
  - Single Tone Encoder
    57
  - Single Tone Decoder
    57
  - Boot Control Circuitry
    57
  - Program Sense
    58
  - Mode Configuration
    58
- 7 Maintenance and Troubleshooting
  
  61
  - Troubleshooting Procedures
    61
  - Troubleshooting
    61
  - Disassembly and Reassembly Procedures
    63
  - VRS Transceiver
    68
  - VRS Tuning and Alignment
    68
Troubleshooting Charts

79
- Introduction to this Section
  79
- List of Troubleshooting Charts
  79
  - VRS Enable Failure
    80
  - Error 12/10
    81
  - VRS 001, VRS Synthesizer Lock Failure
    82
  - Single Tone Encode Failure
    83
  - Single Tone Failure
    84
- Base-To-Portable Repeat Failure
  85
- Portable-To-Base Repeat Failure
  86
- VRS ICM Audio Failure
  87
- Serial Bus Failure
  88
- Portable Audio at Local Speaker Issue
  89
- Programming/Tuning Failure
  90
- 9 Diagrams and Parts Lists
  
  93
  - Introduction to this Section
    93
  - List of Diagrams and Parts Lists
    93
- Replacement Parts Ordering
  
  103

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