Motorola ASTRO Digital Saber Manuals

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

Motorola ASTRO Digital Saber Service Manual

Motorola ASTRO Digital Saber Service Manual (128 pages)

Brand: Motorola | Category: Portable Radio | Size: 6.71 MB

Table of Contents

™ Digital Saber™ /R

2
- Table of Contents
  2
- 1 Foreword
  
  6
  - Safety
    6
    
    Radio Frequency (RF) Operational Characteristics
    6
    
    Portable Radio Operation and EME Exposure
    6
    
    Electromagnetic Interference/Compatibility
    8
    
    Safety and General
    9
    
    Operational Warnings
    9
    
    Operational Cautions
    10
    
    Intrinsically Safe Radio Information
    10
  - Manual Revisions
    13
  - Computer Software Copyrights
    13
  - Replacement Parts Ordering
    14
    
    Parts Ordering
    14
    
    Motorola Parts
    14
    
    Parts Identification
    14
  - Portable Radio Model Numbering System
    15
  - ASTRO Digital SABER Detailed Model Chart
    16
  - Glossary
    17
- 2 Introduction
  
  20
  - General
    20
  - Notations Used in this Manual
    21
- 3 General Overview of an ASTRO Digital SABER Radio
  
  22
  - Analog Mode of Operation
    23
  - ASTRO Mode (Digital Mode)
    23
  - Of Operation
    23
  - Transceiver Board Overview
    24
  - VOCON Board Overview
    24
- 4 Radio Power
  
  26
- 5 VHF/UHF Transceiver Board Detailed Theory of Operation
  
  32
  - Introduction
    32
  - Frequency Generation Unit (FGU)
    32
  - Antenna Switch
    34
  - Receiver Front End
    34
  - Receiver Back End
    35
  - Transmitter
    36
    
    Harmonic Filter
    36
    
    RF Power Amplifier Module
    36
    
    ALC Circuits
    36
- 800 Mhz Transceiver Board Detailed Theory of Operation
  
  38
  - Introduction
    38
  - Frequency Synthesis
    38
  - Antenna Switch
    39
  - Receiver Front End
    40
  - Receiver Back End
    41
  - Transmitter
    42
- 7 VOCON Board Detailed Theory of Operation
  
  44
  - Introduction
    44
  - General
    44
  - Controller Section
    45
  - Figure 4. VOCON Board - Controller Section
    45
  - Vocoder Section
    46
  - Figure 5. VOCON Board - Vocoder Section
    47
  - Switched Regulator
    48
  - RX Signal Path
    49
  - Figure 6. DSP RSSI Port - RX Mode
    49
  - TX Signal Path
    51
  - Figure 7. DSP RSSI Port - TX Mode
    51
  - Controller Bootstrap and Asynchronous Buses
    53
  - Figure 8. Host SB9600 and RS232 Ports
    53
  - Vocoder Bootstrap
    54
  - SPI Bus Interface
    55
  - Universal Connector and Option Selects
    55
  - Figure 9. Universal Connector
    55
  - Figure 10. VOCON Board Connector - J201
    55
  - Keypad and Display Module
    56
  - Table 1. Option Select Functions
    56
  - Controls and Control Top Flex
    57
  - Figure 11. Control Top Flex
    57
  - Controller Memory Map
    58
  - Figure 12. Controller Memory Mapping
    59
  - Vocoder Memory Map
    60
  - Figure 13. Vocoder Memory Mapping
    61
  - MCU System Clock
    62
  - DSP System Clock
    62
  - Radio Power-Up/Power-Down Sequence
    62
- 8 Secure Modules
  
  64
  - Introduction
    64
  - Circuit Description
    65
  - Troubleshooting
    65
  - Secure Operations
    65
    
    Error 09/90
    65
    
    Keyload
    65
- 9 Troubleshooting Procedures
  
  66
  - Introduction
    66
  - Handling Precautions
    66
  - Voltage Measurement and Signal Tracing
    67
Power-Up

68

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