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TM 11-5820-890-20-2
1-21
1.8.
DESCRIPTION OF COMPONENTS. Continued
MOUNTING BASE, ELECTRICAL MT 6576/VRC
BASE
SYSTEM
CONNECTOR
(J5)
THUMBSCREW
AND CLAMP
TRAY
POWER
CONNECTOR
(J2)
(J4)
(J3)
POWER
CONNECTOR
(J1)
CONNECTOR
ASSEMBLY
The Mounting Base, Electrical Equipment MT 6576/VRC (MB) holds the PSA MX 10862/VRC. It also provides the
electrical interface to the vehicle power. The tray and base are connected by four shock mounts. Six internal
ground straps are used for grounding. The base has two thumbscrews and clamps that hold the PSA in place.
There are five connectors on the connector assembly in the back of the MB. The system connector mates with
the system connector on the PSA. The operating voltage (22 to 32 V dc) from the vehicle's electrical system is
connected to the power in connector, J1. A second MB or ancillary equipment is connected to the power out
connector J2. The vehicle intercom or LS 671/VRC loudspeaker is connected to J3 or J4.
TRAY, BATTERY CY 8664/VRC
POWER
CONNECTOR
(J1)
CY 8523A/PRC
BATTERY BOX
MOUNTS HERE
BATTERY
CONNECTOR
(P1)
SWITCH CB1
INDICATOR
LAMP (DS1)
The Tray, Battery CY 8664/VRC is designed for use in conjunction with the single radio mount (SRM) in
vehicular installations that require an additional power source for the RT during certain vehicular operations (ie.
turret rotation, etc.).
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