Motorola GM950 Manuals

Manuals and User Guides for Motorola GM950. We have 7 Motorola GM950 manuals available for free PDF download: Manual, User Manual, Installation Manual

Motorola GM950 Manual (92 pages)

Band Specific Information

Brand: Motorola | Category: Radio | Size: 3.8 MB

Table of Contents

5
- 1 Overview
  
  7
- 2 Model Chart
  
  7
  - Service Options
    8
  - General
    9
  - Transmitter
    9
  - Receiver
    10
  - Self-Quieting Frequencies
    10
Table of Contents

11
- General
  13
  - Chapter 5C
    13
- Midband (66-88Mhz) Tuning Procedure
  13
- Battery Threshold
  15
- PA Bias Voltage
  15
- Reference Oscillator
  16
- Transmitter Power
  16
- Front-End Filter
  17
- Rated Volume
  18
- Squelch
  18
- Transmit Deviation Limit
  19
- Transmit Modulation Balance (Compensation)
  19
- Tone (SELECT 5) Transmit Deviation
  20
- DTMF Transmit Deviation
  21
Table of Contents

23
- Paragraph Page
  24
- 1 Overview
  
  25
- 2 Open Controller
  
  25
  - General
    25
  - Voltage Regulators
    25
  - Electronic On/Off
    26
  - Emergency
    27
  - Mechanical On/Off
    27
  - Ignition
    27
  - Hook RSS
    27
  - Microprocessor Clock Synthesizer
    28
  - Serial Peripheral Interface (SPI)
    28
  - SPEB Serial Interface
    29
  - General Purpose Input/Output
    30
  - Normal Microprocessor Operation
    30
  - FLASH Electronically Erasable Programmable Memory (FLASH EEPROM)
    32
  - Electrically Erasable Programmable Memory (EEPROM)
    32
  - Static Random Access Memory (SRAM)
    33
- Controller Board Audio and Signalling Circuits
  
  33
- 3 General
  
  33
  - Audio Signalling Filter IC (ASFIC)
    33
  - Audio Ground
    33
- 4 Transmit Audio Circuits
  
  34
  - MIC Input Path
    34
  - External MIC Path
    35
  - PTT Sensing and TX Audio Processing
    35
  - TX Secure Audio (Optional)
    35
- 5 Transmit Signalling Circuits
  
  36
- 6 Receive Audio Circuits
  
  38
  - Squelch Detect
    38
  - Audio Processing and Digital Volume Control
    39
  - Audio Amplification Speaker (+) Speaker (-)
    39
  - Handset Audio
    40
  - Filtered Audio
    40
  - RX Secure Audio (Optional)
    40
- 7 Receive Signalling Circuits
  
  41
  - Alert Tone Circuits
    41
- Midband (66-88Mhz) Specific Circuit Description
  
  43
- 8 Receiver Front-End
  
  43
  - Mixer and Intermediate Frequency (IF) Section
    43
  - If IC (U2201)
    44
- 9 Transmitter Power Ampliﬁer (PA) 5-25W
  
  44
  - Power Controlled Stage
    44
  - PA Stages
    45
  - Directional Coupler
    45
  - Antenna Switch
    45
  - Harmonic Filter
    46
  - Power Control
    46
- 10 Frequency Synthesis
  
  47
Table of Contents

51
- PCB Layout Component Side
  53
- PCB Layout Solder Side
  54
- Open Controller Schematic Diagram 1 of 2
  55
- Open Controller_Io Schematic Diagram 2 of 2
  57
- Parts List
  58
- Supply Voltage Schematic Diagram
  59
- Parts List
  60
- Power Control Schematic Diagram
  61
- Parts List
  62
- Power Ampliﬁer 5-25W Schematic Diagram
  63
- Parts List
  64
- Synthesizer Schematic Diagram
  65
- Parts List
  66
- Voltage Controlled Oscillator Schematic Diagram
  67
- Parts List
  68
- RX-FE Schematic Diagram
  69
- Parts List
  70
- RX-IF Schematic Diagram
  71
- Parts List
  72
- PCB Layout Component Side
  73
- PCB Layout Solder Side
  74
- Power Control Schematic Diagram
  75
- Parts List
  76
- Power Ampliﬁer 5-25W Schematic Diagram
  77
- Parts List
  78
- Synthesizer Schematic Diagram
  79
- Parts List
  80
- RX-IF Schematic Diagram
  81
- Parts List
  82
- PCB Layout Component Side
  83
- PCB Layout Solder Side
  84
- Open Controller Schematic Diagram 1 of 3
  85
- Parts List
  86
- Open Controller_Audio Schematic Diagram 2 of 3
  87
- Open Controller_Io Schematic Diagram 3 of 3
  89
- Supply Voltage Schematic Diagram
  91
- Parts List
  92

motorola GM950 Manual (18 pages)

Control Heads/Control Microphones Specific Information

Brand: motorola | Category: Radio | Size: 0.74 MB

Table of Contents
5
1 Overview

7
2 Mechanical Parts List

7
- Chapter 4C
  7
3 Theory of Operation

8
- General
  8
- Power Supplies
  8
- Power on / off
  8
- PTT Button
  8
- ON/OFF Hook Control
  8
- Keypad and Top Keys
  9
- Switch Functions
  9
- Status LED and Back Light Circuit
  9
- Liquid Crystal Display (LCD)
  10
- Microphone Amplifier
  10
- Speaker
  10
- Connections to the Radio
  10
- Electrostatic Transient Protection
  11
- Jumper Functions
  11

Motorola GM950 Manual (18 pages)

Control Heads/Control Microphones Specific Information

Brand: Motorola | Category: Radio | Size: 0.45 MB

Table of Contents
5
1 Overview

7
- Chapter 4D
  7
2 Exploded View Diagram

8
3 Theory of Operation

8
- General
  8
- Power Supplies
  9
- Voltage Regulator Circuit
  9
- Power on / off
  9
- Microprocessor Circuit
  10
- Serial Peripheral Interface (SPI)
  10
- Keypad Keys
  11
- Status LED and Back Light Circuit
  11
- Liquid Crystal Display (LCD)
  11
- Microphone Connector
  12
- Electrostatic Transient Protection
  12

Motorola GM950 User Manual (11 pages)

Brand: Motorola | Category: Car Receiver | Size: 0.23 MB

Table of Contents
1
Safety Information
1
General Information
2
Radio Controls and Indicators
2
Audio Signals
3
Display Icons
3
Radio On/Off
4
Call Set up
4
- Channel Selection
  4
- Address Selection
  4
- Status Selection
  5
- Sending a Selective Call
  5
Communication Procedures
5
- Call Termination
  5
Receiving a Selective Call
6
Call in Absence
6
Dtmf
7
Option Button Functions
7
Computer Software Copyright
9

Motorola GM950 User Manual (9 pages)

Motorola Portable Radio User Guide

Brand: Motorola | Category: Radio | Size: 0.14 MB

Table of Contents
1
Safety Information
1
General Information
2
Radio Controls and Indicators
2
Audio Signals
3
Display Icons
3
Radio On/Off
3
Channel Selection
4
- 4-Channel Model
  4
Channel Without Selective Call Functions
4
Communication Procedures
4
- Call Termination
  4
Channel with Selective Call Functions
5
Option Button Functions
6
Computer Software Copyright
7
Overview
9

Motorola GM950 Manual (16 pages)

Control Heads/Control Microphones Specific Information

Brand: Motorola | Category: Radio | Size: 0.33 MB

Motorola GM950 Installation Manual (10 pages)

Remote Mount Kit

Brand: Motorola | Category: Radio | Size: 0.12 MB

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Controller Board Audio and Signalling Circuits

3 General

4 Transmit Audio Circuits

5 Transmit Signalling Circuits

6 Receive Audio Circuits

7 Receive Signalling Circuits

Midband (66-88Mhz) Specific Circuit Description

8 Receiver Front-End

9 Transmitter Power Ampliﬁer (PA) 5-25W

10 Frequency Synthesis

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