GM300
GM300
Mobile Radios
136-162 MHz
146-174 MHz
403-433 MHz
438-470 MHz
465-495 MHz
490-520 MHz
Service Manual
6880902Z32-A
Table of Contents
Scope of Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
How to Use This Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Other Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Service Policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Ordering Replacement Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Model Charts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
SpeciÞcations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Section 1
Disassembly/Re-assembly
Radio Disassembly and Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
To Remove RF Chassis Shield . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
To Remove the PA Heatsink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
To Remove the RF Circuit Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
To Remove the Logic Circuit Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
To Remove the PA Circuit Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
To Re-Assemble the Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Recommended Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Board Replacement and Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Section 2
Theory of Operation
RF Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
VHF Receiver Front End, 146-174 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
UHF Receiver Front End . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Receiver Back End . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Frequency Synthesizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Charge Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Loop Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Reference Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
VCOÕs and Buffers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Logic Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
DC Distribution and Regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Microcomputer and Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Microcomputer Start-Up Routine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Microcomputer Operation-Expanded Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Reading or Writing in Memory-Expanded Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Programmable I/OÕs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Receiver Audio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Voice Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Data Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Transmitter Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Voice Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Data Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Motorola,. All Rights Reserved
Printed In U.S.A. 1997 68 No.
i
Table of Contents Name of Manual
Transmitter Power Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Control Line Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-10
Power Control Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
RF Power AmpliÞers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
1-10 Watt VHF Power AmpliÞer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
10-25 Watt VHF Power AmpliÞer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
25-45 Watt VHF Power AmpliÞer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
1-10 Watt UHF Power AmpliÞer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
10-25 Watt UHF Power AmpliÞer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
25-35/40 Watt UHF Power AmpliÞers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Front Panel Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
Display Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
Display Board (8/16 Freq Models) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
Vol/Mic Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Front Panel Filter Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Section 3
Jumper-Selectable Options
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Jumper Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Section 4
Non-Field Servicable Components
Operation of the Reference Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Non-Field Servicable Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Schematic Diagrams & Circuit Board Details
Schematic Diagram for HLD8265A and HLD88266A VHF RF Boards, 136-162 MHz . . . . . . . . . . . . . . . . . . . . . .1
Circuit Board Details for HLD8265A and HLD8266A VHF RF Boards, 136-162 MHz . . . . . . . . . . . . . . . . . . . . .2
Schematic Diagram for HLD8029A and HLD8031A VHF RF Boards, 146-174 MHz . . . . . . . . . . . . . . . . . . . . . . .3
Circuit Board Details for HLD8029A and HLD8031A VHF RF Boards, 146-174 MHz . . . . . . . . . . . . . . . . . . . . .4
Schematic Diagram for HLE8229A and HLE8230A UHF RF Boards, 403-433 MHz . . . . . . . . . . . . . . . . . . . . . . .5
Circuit Board Details for HLE8229A and HLE8230A UHF RF Boards, 403-433 MHz . . . . . . . . . . . . . . . . . . . . . .6
Schematic Diagram for HLE8300A and HLE8301A UHF RF Boards, 438-470 MHz . . . . . . . . . . . . . . . . . . . . . . .7
Circuit Board Details for HLE8300A and HLE8301A UHF RF Boards, 438-470 MHz . . . . . . . . . . . . . . . . . . . . . .8
Schematic Diagram for HLE8263A and HLE8264A UHF RF Boards, 465-490 MHz . . . . . . . . . . . . . . . . . . . . . . .9
Circuit Board Details for HLE8263A and HLE8264A UHF RF Boards, 465-490 MHz . . . . . . . . . . . . . . . . . . . . .10
Schematic Diagram for HLE8227A and HLE8228A UHF RF Boards, 490-520 MHz . . . . . . . . . . . . . . . . . . . . . .11
Circuit Board Details for HLE8227A and HLE8228A UHF RF Boards, 490-520 MHz . . . . . . . . . . . . . . . . . . . . .12
Schematic Diagram for HLE8074A Masked Logic Board (2-Layer) (Sheet 1 of 2) . . . . . . . . . . . . . . . . . . . . . . . .13
Schematic Diagram for HLE8074A Masked Logic Board (2-Layer) (Sheet 2 of 2) . . . . . . . . . . . . . . . . . . . . . . . .14
Circuit Board Details for HLN8074A Masked Logic Board (2-Layer) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Schematic Diagram for HLN8070A Expanded Logic Board (4-Layer) (Sheet 1 of 2) . . . . . . . . . . . . . . . . . . . . . .16
Schematic Diagram for HLN8070A Expanded Logic Board (4-Layer) (Sheet 2 of 2) . . . . . . . . . . . . . . . . . . . . . .17
Circuit Board Details for HLN8070A Expanded Logic Board (4-Layer) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Circuit Board Details and Schematic for HLD8293A
VHF Power Amplifier, 136-162 MHz, 10-25 Watts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Circuit Board Details and Schematic For HLD8299A
VHF Power Amplifier, 146-174 MHz, 1-10 Watts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Circuit Board Details and Schematic For HLD8033A
VHF Power Amplifier, 146-174 MHz, 10-25 Watts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Circuit Board Details and Schematic for HLD8287A
VHF Power Amplifier, 146-174 MHz, 25-45 Watts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
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68 No. March, 1997
Name of Manual Table of Contents
Circuit Board Details and Schematic for HLE8385A
UHF Power Amplifier, 403-433 MHz, 1-10 Watts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Circuit Board Details and Schematic for HLE8275A
UHF Power Amplifier, 403-433 MHz, 25-40 Watts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Circuit Board Details and Schematic for HLE8267A
UHF Power Amplifier, 438-470 MHz, 1-10 Watts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Circuit Board Details and Schematic for HLE8034A
UHF Power Amplifier, 438-470 MHz, 10-25 Watts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Circuit Board Details, and Schematic for HLE8271A
UHF Power Amplifier, 438-470 MHz, 25-40 Watts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Circuit Board Details and Schematic for HLE8284A
UHF Power Amplifier, 465-495 MHz, 25-40 Watts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Circuit Board Details and Schematic for HLE8269A
UHF Power Amplifier, 490-520 MHz, 25-35 Watts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Circuit Board Detail, Schematic and Parts List for Front Panel Filter Board (01-80704Y83) . . . . . . . . . . . . . . . .30
Schematic Diagram and Parts List for HLN8075A Display Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Circuit Board Details for HLN8075A Display Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Circuit Board Detail, Schematic and Parts List for HLN8071A Volume/Microphone Board . . . . . . . . . . . . . .33
Exploded View, Schematic, Circuit Board Detail and Parts List for Microphone . . . . . . . . . . . . . . . . . . . . . . . .34
Exploded Mechanical View and Parts List for Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Parts Lists for RF, Logic, & PA Boards
RF Boards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Logic Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PA Boards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
March, 1997 68 No.
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Table of Contents Name of Manual
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68 No. March, 1997
lForeword
Scope of Manual
Scope of Manual
This manual is intended for use by experienced technicians familiar with similar types of equipment. It contains all service information required for the equipment described and is current as of the printing date.
Changes which occur after the printing date are incorporated by instruction manual revision. These revisions are added to the manuals as the engineering
changes are incorporated into the equipment.
How to Use This Manual
This manual contains introductory material such as
model charts, accessories, and speciÞcations, as well as
four sections that deal with speciÞc service aspects of
the GM300. Refer to the Table of Contents for a general
overview of the manual, or to the ÒOverviewÓ paragraph in each section for a speciÞc overview of the
information in that section.
Other Documentation
Table 1 lists other documentation for the GM300
Mobile Radios.
tiÞcation number for all chassis, kits, and components.
If you do not know a part number, include with your
order the number of the chassis or kit which contains
the part, and a detailed description of the desired component. If a Motorola part number is identiÞed on a
parts list, you should be able to order the part through
Motorola Parts. If only a generic part is listed, the part
is not normally available through Motorola. If no parts
list is shown, generally, no user serviceable parts are
available for the kit.
Technical Support
Radius Product Services
Hwy. 34 West
Mt. Pleasant, IA 52641 USA
1-800-356-1520
319-385-5395 (International)
Radius 30-Day Warranty
Radius Repair Depot
Attention: Warranty Return
1000 W. Washington Street
Mt. Pleasant, IA 52641 USA
1-800-356-1520
319-385-5395 (International)
Table 1.
Information Location
Basic Use of GM300 GM300 OwnerÕs Manual (6880902Z09)
Programming GM300 RSS Basic Manual (6880902Z36)
GM300 RSS RapidCall Manual (6880902Z64)
Technical Support
To obtain technical support, you may call MotorolaÕs
Radius Product Services. When you call, we ask that
you have ready the model and serial numbers of the
respective radio or its parts.
Service Policy
If malfunctions occur within 30 days that cannot be
resolved over the phone with Radius Product Services,
a defective major component should be returned. You
must obtain authorization from Radius Product Services before returning the component.
Ordering Replacement Parts
You can order additional components and some piece
parts directly through your Radius price pages. When
ordering replacement parts, include the complete iden-
Radius Major Component Repair
Radius Repair Depot
1000 W. Washington Street
Mt. Pleasant, IA 52641 USA
Motorola Parts
Worldwide System and
Aftermarket Products Division
Attention: Order Processing
1313 E. Algonquin Road
Schaumburg, IL 60196
Worldwide System and
Aftermarket Products Division
Attention: International Order Processing
1313 E. Algonquin Road
Schaumburg, IL 60196
Customer Service
1-800-422-4210
1-708-538-8198 (FAX)
Parts IdentiÞcation
1-708-538-0021
1-708-538-8194
March, 1997 68 No.
iii
.
_
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Foreword
Model Charts
Model Charts
DESCRIPTION
GM300 12.5 kHz
GM300 20/25/30 kHz
GM300 12.5 kHz
8
FREQ
GM300 20/25/30 kHz
8
16
16
VHF Mobile Radio
10 - 25 Watts RF Power
GM300
136 - 162 MHz
DESCRIPTION
RF Board 20/25/30 kHz
Logic Board Masked
RF Board 12.5 kHz
Logic Board, Expanded
Vol/Mic Board
Display Board 8/16 Frequency
Front Panel Hardware, 8/16 Freq
PA Board
PA Hardware
Chassis Hardware
MODEL
M33GMC00D1A
M33GMC20D1A
M33GMC09C1A
M33GMC29C1A
ITEM
HLD8266_
HLD8265_
HLN8070_
HLN8074_
HLN8071_
HLN8075_
HLN8072_
HLD8293_
Item Description
X HUD3834_ Chassis, 12.5 kHz (Masked) X X X
X HUD3833_ Chassis, 20/25/30 kHz (Masked) X X X
X HUD3832_ Chassis, 12.5 kHz (Expanded) X X X
X HUD3831_ Chassis, 20/25/30 kHz (Expanded) X X X
XXXXHLD3850_ PA Kit (part of chassis) X X
XXXXHCN3503_ Control Head, 8/16 Channel X X X
X X HLN8122_ Front Panel Lens, 8 Channel
X X HLN8123_ Front Panel Lens, 16 Channel
X X HHN8073_ Housing Kit, masked
X X HHN8170_ Housing Kit, expanded
XXXXHLN8120_ Nameplate
X X HLN8121_ ROM Kit
XXXXHKN4137_ Power Cable
XXXXHMN3413_ Microphone w/hangup clip
XXXXHLN5189_ Installation Kit
XXXX6880902Z09 Owners Manual GM300
X X 6880902Z26 Operator Card 8 Channel
X X 6880902Z41 Operator Card 16 Channel
HLN8295_
HLN8076_
iv
68 No. March, 1997
v
.
_
_
_
_
Name of Manual Foreword
Model Charts
DESCRIPTION
GM300 12.5 kHz
GM300 20/25/30 kHz
GM300 12.5 kHz
GM300 20/25/30 kHz
GM300
DESCRIPTION
VHF Mobile Radio
8
FREQ
8
16
16
146 - 174 MHz
1 - 10 Watts RF Power
RF Board 20/25/30 kHz
RF Board 12.5 kHz
Display Board 8/16 Frequency
Logic Board Masked
Logic Board, Expanded
Vol/Mic Board
PA Board
Front Panel Hardware, 8/16 Freq
PA Hardware
Chassis Hardware
MODEL
M03GMC09C2A
M03GMC00D2A
M03GMC20D2A
M03GMC29C2A
ITEM
HLD8029_
HLD8031_
HLN8070_
HLN8074_
HLN8071_
HLN8075_
HLN8072_
HLD8299_
Item Description
X HUD3794_ Chassis, 12.5 kHz (Masked) X X X
X HUD3792_ Chassis, 20/25/30 kHz (Masked) X X X
X HUD3793_ Chassis, 12.5 kHz (Expanded) X X X
X HUD3791_ Chassis, 20/25/30 kHz (Expanded) X X X
XXXXHLD3852_ PA Kit (part of chassis) X X
XXXXHCN3503_ Control Head, 8/16 Channel X X X
X X HLN8122_ Panel Lens 8 Channel
X X HLN8123_ Panel Lens 16 Channel
X X HHN8073_ Housing Kit, masked
X X HHN8170_ Housing Kit, expanded
XXXXHLN8120_ Nameplate
X X HLN8121_ ROM Kit
XXXXHKN4137_ Power Cable
XXXXHMN3413_ Microphone w/hangup clip
XXXXHLN5189_ Installation Kit
XXXX6880902Z09 Owners Manual GM300
X X 6880902Z26 Operator Card 8 Channel
X X 6880902Z41 Operator Card 16 Channel
HLN8274_
HLN8076_
March, 1997 68 No.
.
_
_
_
_
Foreword Name of Manual
Model Charts
DESCRIPTION
GM300 12.5 kHz
GM300 20/25/30 kHz
GM300 12.5 kHz
GM300 20/25/30 kHz
GM300
DESCRIPTION
VHF Mobile Radio
8
FREQ
8
16
16
146 - 174 MHz
10 - 25 Watts RF Power
RF Board 20/25/30 kHz
RF Board 12.5 kHz
Display Board 8/16 Frequency
Logic Board Masked
Logic Board, Expanded
Vol/Mic Board
PA Board
Front Panel Hardware, 8/16 Freq
PA Hardware
Chassis Hardware
MODEL
M33GMC00D2A
M33GMC20D2A
M33GMC09C2A
M33GMC29C2A
ITEM
HLD8029_
HLD8031_
HLN8070_
HLN8074_
HLN8071_
HLN8075_
HLN8072_
HLD8033_
Item Description
X HUD3409_ Chassis, 12.5 kHz (Masked) X X X
X HUD3410_ Chassis, 20/25/30 kHz (Masked) X X X
X HUD3570_ Chassis, 12.5 kHz (Expanded) X X X
X HUD3571_ Chassis, 20/25/30 kHz (Expanded) X X X
XXXXHLD3502_ PA Kit (part of chassis) X X
XXXXHCN3503_ Control Head, 8/16 Channel X X X
X X HLN8122_ Front Panel Lens, 8 Channel
X X HLN8123_ Front Panel Lens, 16 Channel
X X HHN8073_ Housing Kit, masked
X X HHN8170_ Housing Kit, expanded
XXXXHLN8120_ Nameplate
X X HLN8121_ ROM Kit
XXXXHKN4137_ Power Cable
XXXXHMN3413_ Microphone w/hangup clip
XXXXHLN5189_ Installation Kit
XXXX6880902Z09 Owners Manual GM300
X X 6880902Z26 Operator Card 8 Channel
X X 6880902Z41 Operator Card 16 Channel
HLN8069_
HLN8076_
vi
68 No. March, 1997
.
_
_
_
_
_
Name of Manual Foreword
Model Charts
DESCRIPTION
GM300 12.5 kHz
GM300 20/25/30 kHz
GM300 12.5 kHz
GM300 20/25/30 kHz
GM300 20/25/30 kHz
GM300
DESCRIPTION
VHF Mobile Radio
8
FREQ
8
16
16
16
146 - 174 MHz
25 - 45 Watts RF Power
RF Board 20/25/30 kHz
RF Board 20/25/30 kHz
RF Board 12.5 kHz
Logic Board Masked
Logic Board, Expanded
Vol/Mic Board
Display Board 8/16 Frequency
Front Panel Hardware, 8/16 Freq
PA Board
PA Hardware
Chassis Hardware
MODEL
M43GMC00D2A
M43GMC20D2A
M43GMC09C2A
M43GMR29C2A
M43GMC29C2A
ITEM
HLD8029_
HLD8031_
HLD9002_
HLN8074_
HLN8071_
HLN8070_
HLN8075_
HLN8072_
HLD8287_
Item Description
X HUD3931_ Chassis, 12.5 kHz (Masked) X X X
X HUD3790_ Chassis, 20/25/30 kHz (Masked) X X X
X HUD3930_ Chassis, 12.5 kHz (Expanded) X X X
X HUD3823_ Chassis, 20/25/30 kHz (Expanded) X X X
X HUD3123_ Chassis, 20/25/30 kHz (Expanded) X X X
XXXXXHLD3848_ PA Kit (part of chassis) X X
XXXXXHCN3503_ Control Head, 8/16 Channel X X X
X X HLN8122_ Front Panel Lens, 8 Channel
X X X HLN8123_ Front Panel Lens, 16 Channel
X X HHN8073_ Housing Kit, masked
X X X HHN8170_ Housing Kit, expanded
XXXXXHLN8120_ Nameplate
X X X HLN8121_ ROM Kit
XXXXXHKN4137_ Power Cable
XXXXXHMN3413_ Microphone w/hangup clip
XXXXXHLN5189_ Installation Kit
XXXXX6880902Z09 Owners Manual GM300
X X 6880902Z26 Operator Card 8 Channel
X X X 6880902Z41 Operator Card 16 Channel
HLN8289_
HLN8076_
March, 1997 68 No.
vii
.
_
_
_
_
Foreword Name of Manual
Model Charts
DESCRIPTION
GM300 12.5 kHz
GM300 20/25 kHz
GM300 12.5 kHz
GM300 20/25 kHz
GM300
DESCRIPTION
UHF Mobile Radio
8
FREQ
8
16
16
403 - 433 MHz
1 - 10 Watts RF Power
RF Board 20/25 kHz
RF Board 12.5 kHz
Display Board 8/16 Frequency
Logic Board Masked
Logic Board, Expanded
Vol/Mic Board
PA Board
Front Panel Hardware, 8/16 Freq
PA Hardware
Chassis Hardware
MODEL
M04GMC00D1A
M04GMC20D1A
M04GMC09C1A
M04GMC29C1A
ITEM
HLE8301_
HLE8300_
HLN8070_
HLN8074_
HLN8071_
HLN8075_
HLN8072_
HLE8385_
Item Description
X HUE3944_ Chassis, 12.5 kHz (Masked) X X X
X HUE3945_ Chassis, 20/25 kHz (Masked) X X X
X HUE3946_ Chassis, 12.5 kHz (Expanded) X X X
X HUE3947_ Chassis, 20/25 kHz (Expanded) X X X
XXXXHLE3929_ PA Kit (part of chassis) X X
XXXXHCN3503_ Control Head, 8/16 Channel X X X
X X HLN8122_ Front Panel Lens, 8 Channel
X X HLN8123_ Front Panel Lens, 16 Channel
X X HHN8073_ Housing Kit, masked
X X HHN8170_ Housing Kit, expanded
XXXXHLN8120_ Nameplate
X X HLN8121_ ROM Kit
XXXXHKN4137_ Power Cable
XXXXHMN3413_ Microphone w/hangup clip
XXXXHLN5189_ Installation Kit
XXXX6880902Z09 Owners Manual GM300
X X 6880902Z26 Operator Card 8 Channel
X X 6880902Z41 Operator Card 16 Channel
HLN8386_
HLN8076_
viii
68 No. March, 1997
Name of Manual Foreword
.
_
_
_
_
Model Charts
DESCRIPTION
GM300 12.5 kHz
GM300 20/25 kHz
GM300 12.5 kHz
GM300 20/25 kHz
GM300
DESCRIPTION
UHF Mobile Radio
8
FREQ
8
16
16
403 - 433 MHz
25 - 40 Watts RF Power
RF Board 20/25 kHz
RF Board 12.5 kHz
Display Board 8/16 Frequency
Logic Board Masked
Logic Board, Expanded
Vol/Mic Board
PA Board
Front Panel Hardware, 8/16 Freq
PA Hardware
Chassis Hardware
MODEL
M44GMC00D1A
M44GMC20D1A
M44GMC09C1A
M44GMC29C1A
ITEM
HLE8230_
HLE8229_
HLN8070_
HLN8074_
HLN8071_
HLN8075_
HLN8072_
HLE8275_
Item Description
X HUE3812_ Chassis, 12.5 kHz (Masked) X X X
X HUE3811_ Chassis, 20/25 kHz (Masked) X X X
X HUE3810_ Chassis, 12.5 kHz (Expanded) X X X
X HUE3809_ Chassis, 20/25 kHz (Expanded) X X X
XXXXHLE3853_ PA Kit (part of chassis) X X
XXXXHCN3503_ Control Head, 8/16 Channel X X X
X X HLN8122_ Front Panel Lens, 8 Channel
X X HLN8123_ Front Panel Lens, 16 Channel
X X HHN8073_ Housing Kit, masked
X X HHN8170_ Housing Kit, expanded
XXXXHLN8120_ Nameplate
X X HLN8121_ ROM Kit
XXXXHKN4137_ Power Cable
XXXXHMN3413_ Microphone w/hangup clip
XXXXHLN5189_ Installation Kit
XXXX6880902Z09 Owners Manual GM300
X X 6880902Z26 Operator Card 8 Channel
X X 6880902Z41 Operator Card 16 Channel
HLN8277_
HLN8076_
March, 1997 68 No. ix
Foreword Name of Manual
.
_
_
_
_
Model Charts
DESCRIPTION
GM300 12.5 kHz
GM300 20/25 kHz
GM300 12.5 kHz
GM300 20/25 kHz
GM300
DESCRIPTION
UHF Mobile Radio
8
FREQ
8
16
16
438 - 470 MHz
1 - 10 Watts RF Power
RF Board 20/25 kHz
RF Board 12.5 kHz
Display Board 8/16 Frequency
Logic Board Masked
Logic Board, Expanded
Vol/Mic Board
PA Board
Front Panel Hardware, 8/16 Freq
PA Hardware
Chassis Hardware
MODEL
M04GMC00D3A
M04GMC20D3A
M04GMC09C3A
M04GMC29C3A
ITEM
HLE8301_
HLE8300_
HLN8070_
HLN8074_
HLN8071_
HLN8075_
HLN8072_
HLE8267_
Item Description
X HUE3816_ Chassis, 12.5 kHz (Masked) X X X
X HUE3815_ Chassis, 20/25 kHz (Masked) X X X
X HUE3814_ Chassis, 12.5 kHz (Expanded) X X X
X HUE3813_ Chassis, 20/25 kHz (Expanded) X X X
XXXXHLE3770_ PA Kit (part of chassis) X X
XXXXHCN3503_ Control Head, 8/16 Channel X X X
X X HLN8122_ Front Panel Lens, 8 Channel
X X HLN8123_ Front Panel Lens, 16 Channel
X X HHN8073_ Housing Kit, masked
X X HHN8170_ Housing Kit, expanded
XXXXHLN8120_ Nameplate
X X HLN8121_ ROM Kit
XXXXHKN4137_ Power Cable
XXXXHMN3413_ Microphone w/hangup clip
XXXXHLN5189_ Installation Kit
XXXX6880902Z09 Owners Manual GM300
X X 6880902Z26 Operator Card 8 Channel
X X 6880902Z41 Operator Card 16 Channel
HLN8268_
HLN8076_
x 68 No. March, 1997
Name of Manual Foreword
.
_
_
_
_
Model Charts
DESCRIPTION
GM300 12.5 kHz
GM300 20/25 kHz
GM300 12.5 kHz
GM300 20/25 kHz
GM300
DESCRIPTION
UHF Mobile Radio
8
FREQ
8
16
16
438 - 470 MHz
10 - 25 Watts RF Power
RF Board 20/25 kHz
RF Board 12.5 kHz
Display Board 8/16 Frequency
Logic Board Masked
Logic Board, Expanded
Vol/Mic Board
PA Board
Front Panel Hardware, 8/16 Freq
PA Hardware
Chassis Hardware
MODEL
M34GMC00D3A
M34GMC20D3A
M34GMC09C3A
M34GMC29C3A
ITEM
HLE8301_
HLE8300_
HLN8070_
HLN8074_
HLN8071_
HLN8075_
HLN8072_
HLE8034_
Item Description
X HUE3820_ Chassis, 12.5 kHz (Masked) X X X
X HUE3819_ Chassis, 20/25 kHz (Masked) X X X
X HUE3818_ Chassis, 12.5 kHz (Expanded) X X X
X HUE3817_ Chassis, 20/25 kHz (Expanded) X X X
XXXXHLE3501_ PA Kit (part of chassis) X X
XXXXHCN3503_ Control Head, 8/16 Channel X X X
X X HLN8122_ Front Panel Lens, 8 Channel
X X HLN8123_ Front Panel Lens, 16 Channel
X X HHN8073_ Housing Kit, masked
X X HHN8170_ Housing Kit, expanded
XXXXHLN8120_ Nameplate
X X HLN8121_ ROM Kit
XXXXHKN4137_ Power Cable
XXXXHMN3413_ Microphone w/hangup clip
XXXXHLN5189_ Installation Kit
XXXX6880902Z09 Owners Manual GM300
X X 6880902Z26 Operator Card 8 Channel
X X 6880902Z41 Operator Card 16 Channel
HLN8068_
HLN8076_
March, 1997 68 No. xi
Foreword Name of Manual
.
_
_
_
_
Model Charts
DESCRIPTION
GM300 12.5 kHz
GM300 20/25 kHz
GM300 12.5 kHz
GM300 20/25 kHz
GM300
DESCRIPTION
UHF Mobile Radio
8
FREQ
8
16
16
438 - 470 MHz
25 - 40 Watts RF Power
RF Board 20/25 kHz
RF Board 12.5 kHz
Display Board 8/16 Frequency
Logic Board Masked
Logic Board, Expanded
Vol/Mic Board
PA Board
Front Panel Hardware, 8/16 Freq
PA Hardware
Chassis Hardware
MODEL
M44GMC00D3A
M44GMC20D3A
M44GMC09C3A
M44GMC29C3A
ITEM
HLE8301_
HLE8300_
HLN8070_
HLN8074_
HLN8071_
HLN8075_
HLN8072_
HLE8271_
Item Description
X HUE3918_ Chassis, 12.5 kHz (Masked) X X X
X HUE3822_ Chassis, 20/25 kHz (Masked) X X X
X HUE3917_ Chassis, 12.5 kHz (Expanded) X X X
X HUE3821_ Chassis, 20/25 kHz (Expanded) X X X
XXXXHLE3772_ PA Kit (part of chassis) X X
XXXXHCN3503_ Control Head, 8/16 Channel X X X
X X HLN8122_ Front Panel Lens, 8 Channel
X X HLN8123_ Front Panel Lens, 16 Channel
X X HHN8073_ Housing Kit, masked
X X HHN8170_ Housing Kit, expanded
XXXXHLN8120_ Nameplate
X X HLN8121_ ROM Kit
XXXXHKN4137_ Power Cable
XXXXHMN3413_ Microphone w/hangup clip
XXXXHLN5189_ Installation Kit
XXXX6880902Z09 Owners Manual GM300
X X 6880902Z26 Operator Card 8 Channel
X X 6880902Z41 Operator Card 16 Channel
HLN8272_
HLN8076_
xii 68 No. March, 1997
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