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Motorola GM-950 Manual

Control heads/control microphones specific information.
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Manual - 92 pages
User manual - 11 pages
User manual - 9 pages

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Control Heads/Control Microphones
Chapter
4A
Control Head for Radio Model N2 ........................................................ 4A.1-i
4B
Control Head for Radio Model N3......................................................... 4B.1-i
4C
Hand Held Control Microphone GMN6151 ........................................... 4C.1-i
4D
Control Head for Radio Model N4......................................................... 4D.1-i
Control Heads/Control Microphones Specific Information
Chapter 4
Specific Information
Table of Contents
Table of Contents
Page
4-i

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   Summary of Contents for motorola GM-950

  • Page 1

    Table of Contents Chapter 4 Control Heads/Control Microphones Specific Information Table of Contents Chapter Page Control Head for Radio Model N2 ............4A.1-i Control Head for Radio Model N3............4B.1-i Hand Held Control Microphone GMN6151 ........... 4C.1-i Control Head for Radio Model N4............4D.1-i Control Heads/Control Microphones Specific Information...

  • Page 2

    Table of Contents 4-ii Control Heads/Control Microphones Specific Information...

  • Page 3

    Table of Contents Chapter 4C Hand Held Control Microphone GMN6151 Table of Contents Chapter 4C.1 Introduction/Theory of Operation 4C.2 PCB/Schematic Diagram and Parts List Hand Held Control Microphone GMN6151 4C-i...

  • Page 4

    Table of Contents 4C-ii Hand Held Control Microphone GMN6151...

  • Page 5: Table Of Contents

    Table of Contents Chapter 4C.1 Introduction/Theory of Operation Table of Contents Paragraph Page Overview..................... 1 Mechanical Parts List .................1 Theory of Operation .................. 2 General ......................2 Power Supplies.................... 2 Power On / Off ..................... 2 PTT Button....................2 ON/OFF Hook Control ................. 2 Keypad and Top Keys .................

  • Page 6

    Table of Contents 4C.1-ii Introduction/Theory of Operation...

  • Page 7: Overview

    Overview Overview 4C.1 Hand Held Control Microphone GMN6151 The features of the Hand Held Control Microphone are as follows: On/Off Button Rocker Type Volume Up/Down Control Rocker Type Scroll Up/Down Control 3 digit, 7 segment Backlit LCD display 8 LCD Annunciators/Icons 3 LEDs (Red, Yellow, Green) 7 Dealer Programmable Option Buttons GMN6151...

  • Page 8: Theory Of Operation

    Theory of Operation Theory of Operation General The Control Microphone contains the speaker, the microphone, several buttons to operate the radio, several indicator Light Emitting Diodes (LED) to inform the user about the radio status and a 3 digit / 7 segment Liquid Crystal Display (LCD) for nummerical information e.g.

  • Page 9: Keypad And Top Keys

    Theory of Operation Keypad and Top Keys The HHCM keypad has 10 keys, plus 3 additional keys, the on/off key being one of them, which are located on the top of the HHCM. All keys are configured as 3 analogue lines (ANALOG 1 2 3) to the radio. Each of the lines controls four keys;...

  • Page 10: Liquid Crystal Display (lcd)

    Theory of Operation Liquid Crystal Display (LCD) The LCD display H0931 is a 3 digit / 7 segment display which incorporates 11 annunciators. Data is loaded serially into the display driver U0932 via the SPI interface. The display data of line SPI DATA BUF is shifted serially by clock signal LCD CLCK BUF.

  • Page 11: Electrostatic Transient Protection

    Theory of Operation Radio Adapter Cable HHCM Description J0101 J0950 P0951 Connector J0951 INT SPKR+ INT SPKR- ANALOG 3 ANALOG 1 ANALOG 2 FLT A+ ON OFF CONTROL LCD CLCK BUF SPI DATA BUF LED CLCK BUF HOOK LED CE 3.13 Electrostatic Transient Protection Electrostatic transient protection is provided for the sensitive components in the HHCM by diodes...

  • Page 12

    Theory of Operation 4C.1-6 Introduction/Theory of Operation...

  • Page 13

    Table of Contents Chapter 4C.2 PCB/Schematic Diagram and Parts List Table of Contents Description Page HHCM GMN6151 - Diagrams and Parts Lists PCB Layout Component Side ..........1 PCB Layout Solder Side .

  • Page 14

    Table of Contents 4C.2-ii PCB/Schematic Diagram and Parts List...

  • Page 15

    Hand Held Control Microphone GMN6151 PCB No. 8402694Y03_T1 D0990 D0991 JU0952 JU0954 JU0959 JU0955 JU0957 JU0958 JU0951 JU0956 JU0960 D0992 D0993 Top Side JU0953 R0987 R0984 R0990 R0953 Q0982 Q0983 Q0984 VR0921 Q0985 C0975 R0906 R0907 R0908 R0997 C0976 C0909 R0999 R0909 R0973...

  • Page 16

    Hand Held Control Microphone GMN6151 PCB No. 8402694Y03_T1 4C.2-2 Diagrams and Parts List...

  • Page 17

    Hand Held Control Microphone GMN6151 Schematic Diagram 6.42V 5.9V 5.56V 5.48V 3.23V 3.24V GEPD5516-1 Hand Held Control Microphone GMN6151 Schematic Diagram Diagrams and Parts List 4C.2-3...

  • Page 18

    Hand Held Control Microphone GMN6151 Schematic Diagram Hand Held Control Microphone Circuit Motorola Circuit Motorola Circuit Motorola Parts List Descritpion Descritpion Descritpion Part No. Part No. Part No. C0981 2113743A19 100nF 16V Q0984 4813824A10 NPN 40V .2A B=50-150 R0981 0662057A97...

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