User Manuals: Motorola GP68 Two-Way Radio

Manuals and User Guides for Motorola GP68 Two-Way Radio. We have 6 Motorola GP68 Two-Way Radio manuals available for free PDF download: Service Manual, Installation And Operation Manual, Operation Manual, Manual

Motorola GP68 Service Manual (85 pages)

Brand: Motorola | Category: Portable Radio | Size: 2.39 MB

Table of Contents
4
Foreword

8
- Scope of Manual
  8
- How to Use this Manual
  8
- Safety Information
  8
  - Airbag Warning Statement
    8
  - FCC Safety Information
    8
- Other Documentation
  9
- Technical Support
  9
- Ordering Replacement Parts
  9
- Model Chart
  10
- Accessories (Note: Not All Accessories Are Available in All Areas.)
  12
- Performance Speciþcations for the GP68 Radio
  13
  - General
    13
  - Transmitter
    13
  - Receiver
    13
- Service Aids
  14
- Test Equipment
  14
Radio Disassembly/Assembly

15
- Overview
  15
- Disassemble Radio
  15
  - Remove Battery
    15
  - Remove Radioõs Chassis
    15
  - Remove RF Board
    15
  - Remove Controller Board
    16
  - Remove Display Board
    17
- Reassemble Radio
  17
- Torque Speciþcations Chart
  19
Theory of Operation

21
- Overview
  21
- Controller Board
  21
  - Microcomputer Power-Up and Reset Routine
    21
- Transmit and Receive Audio Circuitry
  21
  - Limiter (Audio Filter IC)
    21
  - Post-Limiter Filter (Audio Filter IC)
    22
  - PL Encoder
    22
  - DTMF Encoder
    22
  - Deviation Attenuators (Audio Filter IC)
    22
  - Tx Audio Path
    22
  - Rx Audio Path
    23
    
    Audio Power Ampliþer
    23
    
    Audio Processing (Audio Filter IC)
    23
    
    J403-1
    23
    
    J403-2
    23
    
    J403-5
    23
    
    Noise Squelch Attenuator
    23
    
    Option Interface
    23
    
    PL Decoder
    23
    
    Rx Audio Mute
    23
    
    J403-11
    24
    
    J403-12
    24
    
    J403-6
    24
    
    J403-7
    24
    
    J403-8
    24
- Adaptive Power Control TM Technology
  24
- RF Board
  25
- Receiver
  25
  - Intermediate Frequency (IF)
    25
- Transmitter
  26
- Power Levelling
  26
- Frequency Generation Circuitry
  26
  - Synthesizer
    27
  - Vco
    27
  - Display Board
    27
- The GP60 Series Radio Alignment Procedures
  27
- Block Diagram for Receiver and Transmitter
  30
- Block Diagram for VCO
  31
- Block Diagram for AFIC
  32
Accessory

33
- Remote Speaker Microphone
  33
  - Overview
    33
  - Description
    33
  - Operation
    33
  - Handling Precautions
    33
  - Maintenance
    34
  - Parts List
    35
- GP68 Option Board
  36
  - Installation
    36
  - Option Board Enable Procedure
    36
    
    Description
    36
    
    DTMF Decode Option
    36
    
    Overview
    36
    
    Theory of Operation
    36
    
    Dealer Programming
    37
    
    Kit Number:pmln 4066; PMLN 4067, 10-Pack (Manual Included)
    37
    
    Packing List
    37
    
    Programming DTMF Codes
    37
    
    Smartrunk IIª Operation
    37
    
    Smartrunk IIª Option Board
    37
  - DTMF Decoder Option Board (PMLN4063)
    38
  - Circuit Board Details for DTMF Decoder Option Board (PMLN4063)
    38
Radio Programming Information

41
Troubleshooting

53
- Overview
  53
- Troubleshooting Charts
  53
  - Troubleshooting and Repair Comments
    53
  - Troubleshooting Flow Chart for Synthesizer
    56
Schematic Diagrams and Circuit Board Details

64

Motorola GP68 Installation And Operation Manual (44 pages)

SmarTrunk II Logic Board

Brand: Motorola | Category: Motherboard | Size: 0.24 MB

MOTOROLA GP68 Operation Manual (19 pages)

Brand: MOTOROLA | Category: Portable Radio | Size: 5.51 MB

Motorola GP68 Operation Manual (20 pages)

A High Performance Radio In A Class Of Its Own

Brand: Motorola | Category: Radio | Size: 4.68 MB

MOTOROLA GP68 Manual (18 pages)

Brand: MOTOROLA | Category: Portable Radio | Size: 5.51 MB

Motorola GP68 Service Manual (13 pages)

GP60 series

Brand: Motorola | Category: Portable Radio | Size: 2.23 MB

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User Manuals: Motorola GP68 Two-Way Radio

Motorola GP68 Service Manual (85 pages)

Table of Contents

Foreword

Radio Disassembly/Assembly

Theory of Operation

Accessory

Radio Programming Information

Troubleshooting

Schematic Diagrams and Circuit Board Details

Motorola GP68 Installation And Operation Manual (44 pages)

Table of Contents

MOTOROLA GP68 Operation Manual (19 pages)

Table of Contents

Motorola GP68 Operation Manual (20 pages)

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