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Motorola GM Series Manuals
Manuals and User Guides for Motorola GM Series. We have
3
Motorola GM Series manuals available for free PDF download: Installation Manual, Service Information, Service Manual
Motorola GM Series Installation Manual (36 pages)
Professional Radio
Brand:
Motorola
| Category:
Radio
| Size: 0.89 MB
Table of Contents
Computer Software Copyrights
2
Safety Information
3
Exposure to Radio Frequency Energy
3
Operational Warnings
5
Potentially Explosive Atmospheres
5
Blasting Caps and Areas
5
Table of Contents
7
Chapter 1 INSTALLATION
9
Introduction
9
General Information
9
Plan the Installation
9
DC Power Cable Installation
9
Planning the Power Cable Installation
9
Power Cable Installation Procedure
10
Trunnion Installation
12
Planning the Mounting Trunnion Installation
12
Trunnion Installation Procedure
12
Control Head Mounting Position
13
Antenna Installation
13
Mobile Radio Operation and EME Exposure
13
Selecting an Antenna Site
14
Antenna Installation Procedure
14
Completing the Installation
15
Installation Options
17
Radio Mounting in Dashboard
17
External Speaker Installation
18
Remote Control Head Installation
19
Accessory Connections
21
Accessory Connector Pin Functions
21
Chapter 2 REDUCING NOISE INTERFERENCE
25
Introduction
25
Noise Sources
25
Radiated Noise
25
Conducted Noise
26
Induced Noise
27
Operation of a Conventional Ignition System
27
Introduction
27
Sources of Ignition Interference
27
Detection of Noise Sources
29
Noise Detection Procedure
29
Sources of Noise
31
Noise Reduction Techniques
31
General
31
Ignition System Interference
32
Alternator/Generator Whine
33
Voltage Regulator Noise
35
Hood and Trunk Lid Noise
35
Ground Bonding
36
Other Electrical Noises
36
Wheel Static
36
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Motorola GM Series Service Information (34 pages)
GM Series Professional Radio VHF (136-174MHz)
Brand:
Motorola
| Category:
Radio
| Size: 0.11 MB
Table of Contents
Computer Software Copyrights
2
Table of Contents
3
Chapter 1 MODEL CHART and TECHNICAL SPECIFICATIONS
5
GM140/GM160 Model Chart
5
GM340/GM360/GM380 Model Chart
6
GM640/GM660/GM1280 Model Chart
7
Technical Specifications
8
Chapter 2 THEORY of OPERATION
11
Introduction
11
VHF (136-174Mhz) Receiver
11
Receiver Front-End
11
Front-End Band-Pass Filters & Pre-Amplifier
12
First Mixer and High Intermediate Frequency (IF)
12
Low Intermediate Frequency (IF) and Receiver Back End
12
VHF (136-174Mhz) Transmitter Power Amplifier (PA) 25 W
13
First Power Controlled Stage
13
Power Controlled Driver Stage
14
Final Stage
14
Directional Coupler
14
Antenna Switch
15
Harmonic Filter
15
Power Control
15
VHF (136-174Mhz) Frequency Synthesis
16
Reference Oscillator
16
Fractional-N Synthesizer
16
Voltage Controlled Oscillator (VCO)
17
Synthesizer Operation
18
VHF (136-174Mhz) Transmitter Power Amplifier (PA) 45 W
19
Power Controlled Stage
19
Pre-Driver Stage
20
Driver Stage
20
Final Stage
20
Directional Coupler
20
Antenna Switch
21
Harmonic Filter
21
Power Control
21
Chapter 3 TROUBLESHOOTING CHARTS
23
Troubleshooting Flow Chart for Receiver (Sheet 1 of 2)
23
Troubleshooting Flow Chart for Receiver (Sheet 2 of 2)
24
Troubleshooting Flow Chart for 25W Transmitter (Sheet 1 of 3)
25
Troubleshooting Flow Chart for 25W Transmitter (Sheet 2 of 3)
26
Troubleshooting Flow Chart for 25W Transmitter (Sheet 3 of 3)
27
Troubleshooting Flow Chart for 45W Transmitter (Sheet 1 of 2)
28
Troubleshooting Flow Chart for 45W Transmitter (Sheet 2 of 2)
28
Troubleshooting Flow Chart for Synthesizer
30
Troubleshooting Flow Chart for VCO
31
Chapter 4 VHF PCB/SCHEMATICS/PARTS LISTS
33
Allocation of Schematics and Circuit Boards
33
Controller Circuits
33
Motorola GM Series Service Manual (28 pages)
GM Series Professional Radio
Brand:
Motorola
| Category:
Radio
| Size: 0.21 MB
Table of Contents
Computer Software Copyrights
6
Table of Contents
7
Safety and General Information
9
Operational Cautions
11
Operational Warnings
11
Antenna Installation
12
Chapter 1 INTRODUCTION
13
Scope of Manual
13
Warranty and Service Support
13
Warranty Period and Return Instructions
13
After Warranty Period
13
European Radio Support Centre (ERSC)
14
Parts Identification and Ordering
14
EMEA Test Equipment Support
14
Technical Support
15
Related Documents
15
Radio Model Information
16
Chapter 2 MAINTENANCE
17
Introduction
17
Preventive Maintenance
17
Inspection
17
Cleaning
17
Safe Handling of CMOS and LDMOS
18
General Repair Procedures and Techniques
18
Notes for All Schematics and Circuit Boards
21
Chapter 3 SERVICE AIDS
27
Recommended Test Tools
27
Test Equipment
28
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