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TM 11-5820-890-30-5
CHAPTER 1
INTRODUCTION
Subject
Section
Page
General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I
1-1
Equipment Description and Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . II
1-3
OVERVIEW
This chapter provides general information about the communication-electronics (C-E) items of equipment that
make up the RT-1439/VRC series of radio sets.
The principles of operation and specific maintenance instructions for the components are included in the
maintenance chapters.
Section I. GENERAL INFORMATION
Subject
Para
Page
Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1-1
Consolidated lndex of Army Publications and Blank Forms . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1-2
Maintenance Forms, Records, and Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1-2
Reporting Equipment Improvement Recommendations (EIR) . . . . . . . . . . . . . . . . . . . . . . . 1-4
1-2
Administrative Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
1-2
Destruction of Army Electronics Materiel to Prevent Enemy Use . . . . . . . . . . . . . . . . . . . 1-6
1-2
Nomenclature Cross-Reference List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
1-2
1-1.
SCOPE.
Type of Manual: This manual covers the direct support level of maintenance for the RT-1439 series of radio sets.
Model Numbers and Equipment Names:
The following equipment is covered:
Receiver-Transmitter, Radio RT-1439/VRC
Maintenance Group OA-9263A/GRC
Amplifier-Adapter, Vehicular AM-7239/VRC and AM-7239B/VRC
Amplifier, Radio Frequency AM-7238/VRC
Control-Monitor C-11291/VRC
Mounting Base, Electrical Equipment MT-6352/VRC
Battery Box CY-8523A/PRC
Mounting Base, Electrical Equipment MT-6353/VRC
Antenna, Vehicular AS-3684/VRC or AS-3900/VRC
Mounting Base, Electrical Equipment MT-6429/VRC
Power Supply Adapter, Vehicular MX-10862/VRC
Tray, Battery CY-8664/VRC
Mounting Base, Electrical Equipment MT-6576/VRC
Loudspeaker-Control Unit, LS-671/VRC
Fill Device, ECCM MX-10579/VRC and MX-18290/VRC
They are shown in figure 1-1.
Purpose of Radio Sets: The purpose of the RT-1439/VRC series of radio sets is to provide short-range, two-way
radio communication in the 30 to 87.975 MHz range, using frequency-modulated (FM) transmission and
reception.
1-1
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