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TM 11-5820-890-30-5
CHAPTER 8
BATTERY BOX CY-8523A/PRC
MAINTENANCE INSTRUCTIONS
Subject
Section
Page
Principles of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I
8-1
Repair Parts, Special Tools, TMDE, and Support Equipment . . . . . . . . . . . . . . . . . . . . . . . II
8-1
Troubleshooting Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ill
8-2
Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV
8-6
Preparation for Storage or Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
8-21
Section I. PRINCIPLES OF OPERATION
8-1.
INTRODUCTION.
The battery box has two basic functions. First, it holds the battery in place on the RT. Four latches secure the
battery box to the RT. The battery is held in a water-tight enclosure. Second, it is an interface for two-wire
remote control of the RT. This interface is described in paragraph 8-2.
8-2.
TWO-WIRE TRANSIENT PROTECTION CCA.
The RT with the CY-8523A/PRC battery box can be remotely controlled through the two-wire interface. Control
units, such as Control, Receiver-Transmitter C-11561(C)/U, can send control signals to the RT through a
two-wire field wire. The field wire connects to binding posts E1 and E2 on the battery box for the AN/PRC-119.
The two-wire transient protection CCA filters the remote control signals. See figure 8-1. J1 mates with RT
connector P1. The signals are transformer coupled to the RT. Inductors L1 and L2 are not separate components.
They are a part of the printed wiring board.
Section Il. REPAIR PARTS, SPECIAL TOOLS, TMDE,
AND SUPPORT EQUIPMENT
8-3.
COMMON TOOLS AND EQUIPMENT.
For authorized common tools and equipment, refer to the Modified Table of Organization and Equipment (MTOE)
applicable to your unit.
8-4.
SPECIAL TOOLS, TMDE, AND SUPPORT EQUIPMENT.
For the TMDE and support equipment required for DS, see the maintenance allocation chart. It is Appendix B in
TM 11-5820-890-20-1.
8-5.
REPAIR PARTS.
Repair parts are listed and illustrated in the repair parts and special tools list (TM 11-5820-890-30P-1) covering
direct support maintenance for this equipment.
8-1
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