Motorola GM140 Manuals

Manuals and User Guides for Motorola GM140. We have 4 Motorola GM140 manuals available for free PDF download: Basic Service Manual, Service Information

Motorola GM140 Basic Service Manual (46 pages)

Professional Radio

Brand: Motorola | Category: Two-Way Radio | Size: 1.45 MB

Computer Software Copyrights
2
Safety Information
3
Chapter 1 INTRODUCTION

7
Chapter 2 MODEL CHART and TEST SPECIFICATION

11
Chapter 3 MAINTENANCE

17
- Introduction
  17
- Preventive Maintenance
  17
  - Inspection
    17
  - Cleaning Procedures
    17
- Safe Handling of CMOS and LDMOS Devices
  18
- Repair Procedures and Techniques - General
  19
- Disassembling and Reassembling the Radio - General
  19
- Radio Disassembly - Detailed
  20
- Radio Assembly
  25
- Radio Exploded Mechanical Views and Parts Lists
  27
  - Radio Assembly - 25W Models
    27
  - Radio Assembly - 60W Models
    28
  - Control Head - GM340
    29
  - Control Head - GM360
    30
  - Control Head - GM380
    31
- Service Aids
  32
- Test Equipment
  33
- 11.0 Programming/Test Cable - RKN4083
  34
Chapter 4 TRANSCEIVER PERFORMANCE TESTING

35
- General
  35
- Setup
  35
- RF Test Mode
  36
Chapter 5 RADIO TUNING and PROGRAMMING

41
- Introduction
  41
- CPS Programming Setup
  41
- Radio Tuning Setup
  43
  - Initial Test Equipment Control Settings
    43
Chapter 6 POWER up SELF-TEST

45
- Error Codes
  45

Motorola GM140 Service Information (32 pages)

GM Series Professional Radio

Brand: Motorola | Category: Radio | Size: 1.16 MB

Computer Software Copyrights
2
Table of Contents
3
Chapter 1 MODEL OVERVIEW

5
Chapter 2 THEORY of OPERATION

7
- Introduction
  7
- Controlhead Model for GM140, GM340 and GM640
  7
  - Power Supplies
    7
  - Power on / off
    7
  - Microprocessor Circuit
    7
  - SBEP Serial Interface
    8
  - Keypad Keys
    8
  - Status LED and Back Light Circuit
    9
  - Microphone Connector Signals
    9
  - Speaker
    10
  - Electrostatic Transient Protection
    10
- Controlhead Model for GM160, GM360 and GM660
  10
  - Power Supplies
    10
  - Power on / off
    10
  - Microprocessor Circuit
    11
  - SBEP Serial Interface
    11
  - Keypad Keys
    12
  - Status LED and Back Light Circuit
    12
  - Liquid Crystal Display (LCD)
    12
  - Microphone Connector Signals
    13
  - Speaker
    14
  - Electrostatic Transient Protection
    14
- Controlhead Model for GM380 and GM1280
  14
  - Power Supplies
    14
  - Voltage Regulator Circuit
    14
  - Power on / off
    15
  - Microprocessor Circuit
    15
  - SBEP Serial Interface
    15
  - Keypad Keys
    16
  - Status LED and Back Light Circuit
    16
  - Liquid Crystal Display (LCD)
    17
  - Microphone Connector Signals
    17
  - Speaker
    18
  - Electrostatic Transient Protection
    18
Chapter 3 TROUBLESHOOTING CHARTS

19
- On/Off
  19
- Microprocessor
  20
- Display
  23
- Backlight
  24
- On/Off
  25
- Microprocessor
  26
- Display
  28
- Keypad Backlight
  29
- Display Backlight
  30
Chapter 4 CONTROLHEAD PCB/SCHEMATICS/PARTS LISTS

31
- Allocation of Schematics and Circuit Boards
  31

Motorola GM140 Service Information (34 pages)

GM Series Professional Radio VHF (136-174MHz)

Brand: Motorola | Category: Radio | Size: 0.11 MB

Motorola GM140 Service Information (32 pages)

GM series Professional Radio UHF (403-470MHz)

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

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Motorola GM140 Manuals

Motorola GM140 Basic Service Manual (46 pages)

Table of Contents

Chapter 1 INTRODUCTION

Chapter 2 MODEL CHART and TEST SPECIFICATION

Chapter 3 MAINTENANCE

Chapter 4 TRANSCEIVER PERFORMANCE TESTING

Chapter 5 RADIO TUNING and PROGRAMMING

Chapter 6 POWER up SELF-TEST

Motorola GM140 Service Information (32 pages)

Table of Contents

Chapter 1 MODEL OVERVIEW

Chapter 2 THEORY of OPERATION

Chapter 3 TROUBLESHOOTING CHARTS

Chapter 4 CONTROLHEAD PCB/SCHEMATICS/PARTS LISTS

Motorola GM140 Service Information (34 pages)

Table of Contents

Chapter 1 MODEL CHART and TECHNICAL SPECIFICATIONS

Chapter 2 THEORY of OPERATION

Chapter 3 TROUBLESHOOTING CHARTS

Chapter 4 VHF PCB/SCHEMATICS/PARTS LISTS

Motorola GM140 Service Information (32 pages)

Table of Contents

Chapter 1 MODEL CHART and TECHNICAL SPECIFICATIONS

Chapter 2 THEORY of OPERATION

Chapter 3 Troubleshooting Charts

Chapter 4 UHF PCB/SCHEMATICS/PARTS LISTS

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