Motorola ASTRO Digital Spectra Plus W7 Manuals

Manuals and User Guides for Motorola ASTRO Digital Spectra Plus W7. We have 1 Motorola ASTRO Digital Spectra Plus W7 manual available for free PDF download: Service Manual

Motorola ASTRO Digital Spectra Plus W7 Service Manual

Motorola ASTRO Digital Spectra Plus W7 Service Manual (126 pages)

Control Head Models

Brand: Motorola | Category: Radio | Size: 4.86 MB

Table of Contents

Foreword

4
- Manual Revisions
  4
- Computer Software Copyrights
  4
- Document Copyrights
  4
- Disclaimer
  4
- Trademarks
  4
- Table of Contents
  5
Commercial Warranty

13
- Limited Warranty
  13
  - Motorola Communication Products
    13
    
    What this Warranty Covers and for How Long
    13
    
    General Provisions
    13
    
    State Law Rights
    14
    
    How to Get Warranty Service
    14
    
    What this Warranty Does Not Cover
    14
    
    Patent and Software Provisions
    15
    
    Governing Law
    15
Chapter 1 Introduction

17
Chapter 2 Basic Maintenance

25
- Inspection
  25
- Cleaning
  25
  - Cleaning External Plastic Surfaces
    25
  - Cleaning Internal Circuit Boards and Components
    25
- Handling Precautions
  26
Chapter 3 Theory of Operation

27
- W3 Control Head
  27
  - SB9600 Serial Bus Interface
    27
  - Display Circuit
    27
  - Keypad Side Keys and Top Keys
    28
  - Microphone Preamplifier and PTT
    28
- On-/Off-Hook Control
  29
- Backlight Circuit
  29
- Power Supply
  29
- Status Leds
  29
- Jumper Selection
  29
- Table 3-1. W3 Jumper Selection
  29
- Power On/Off
  30
- Miscellaneous Functions
  30
- W4, W5, and W7 Control Heads
  30
  - Power Switch/Ignition
    30
  - Figure 3-1. Astro Spectra Control Head Block Diagram
    30
  - Table 3-2. Types of Operations
    30
  - Voltage Regulator
    31
  - Microcomputer
    31
  - Interface Circuitry
    31
  - Reset
    32
  - Bus Busy
    32
  - Serial Bus Data
    32
  - Table 3-3. Serial Data Bus Logic
    32
  - Push-To-Talk (PTT)
    33
  - Hang-Up Button (HUB)
    33
  - Ignition Sense Circuitry
    33
  - Keypad Scan
    33
  - Vacuum Fluorescent (VF) Voltage Converter Circuitry
    33
  - Table 3-4. PTT Logic States
    33
  - Table 3-5. HUB Logic States
    33
  - Vacuum Fluorescent Display Driver IC
    34
  - Vacuum Fluorescent Display
    34
  - Backlight Leds
    34
- W9 Control Head
  34
  - Display
    34
  - W9 Controls and Indicators
    35
  - Control Board
    35
    
    Microprocessor
    35
    
    Watchdog Timer
    35
    
    Bus Transceiver
    36
    
    Vacuum Fluorescent Voltage Converter
    36
    
    Vehicle Interface Ports
    36
    
    Power Supply
    36
    
    Ignition Sense Circuits
    36
    
    EEPROM Write-Protect Circuit
    37
  - Display Board
    37
    
    VF Display
    37
    
    VF Display Driver
    37
    
    Status Leds
    37
    
    Backlight Leds
    37
  - Default Jumper Settings
    37
  - Table 3-6. Standard Jumper Configurations
    37
- Vehicle Interface Port (VIP)
  38
  - W4, W5, and W7 Control Heads
    38
    
    VIP Output Connections
    38
    
    Dash-Mount Installations
    38
    
    Remote-Mount Installations
    39
    
    VIP Input Connections (Remote-Mount Only)
    39
    
    Figure 3-2. Cabling Interconnect Diagram for Dash Mount
    39
    
    Figure 3-3. Cabling Interconnect Diagram for Remote Mount
    39
  - W9 Control Heads
    40
    
    VIP Output Connections
    40
    
    VIP Input Connections
    40
Chapter 4 Test Equipment and Service Aids

41
- Recommended Test Equipment and Service Aids
  41
- Table 4-1. Recommended Motorola Test Equipment and Service Aids
  41
Chapter 8 Schematics, Overlays, and Parts Lists

43
Chapter 5 Troubleshooting

43
- Required Tools and Supplies
  43
- Table 5-1. Required Tools and Supplies
  43
Chapter 7 Exploded Views and Parts Lists

50
- W9 Control Heads
  52
- Figure 5-4. W9 Control Head Control Board and Display Board
  52
- Table 7-5. W9 Pushbutton Control Head Parts List
  52
- Final Reassembly-W3 Control Head
  53
- Table 7-2. W3 Hand-Held Control Head Exploded View Parts List
  53
- Troubleshooting Charts
  54
  - A.1 Basic Ordering Information
    121
  - A.2 Motorola Online
    121
  - A.3 Mail Orders
    121
  - A.4 Telephone Orders
    122
  - A.5 Fax Orders
    122
  - A.6 Parts Identification
    122
  - A.7 Product Customer Service
    122
- Figure 5-1. Replacing the Vacuum Fluorescent Display
  123
- Index
  123
- Table 3-7. VIP Output Connections
  124
- Table 3-8. VIP Input Connections
  124
- Small Pushbutton Parts
  124
- Large Pushbutton Parts
  124

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