TM 11-6625-3081-23
1-13. DESCRIPTION OF TEST CONSOLE TEST BENCH 2A2 (cont)
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i .
ELECTRONICS DRAWER ASSEMBLY 2A2A7
(1) Electronics drawer assembly 2A2A7 contains the electronic equipment chassis
assembly, video signal generator case assembly A1, camera head control unit A3,
relay assembly A4, heat sink assembly A5, card rack assembly A6, drawer slides, and
cable assemblies.
(2) The electronic equipment chassis assembly consists of a front panel, side
plating, mounting plate (base), and a connector bracket assembly mounted to the rear
of the chassis.
The front panel contains CAMERA CONTROL POWER ON INT (internal) and
EXT (external) switches, coaxial cable connectors J11 thru J27, and drawer handles.
Left and right pivoting drawer slide assembles are secured to the side plating.
The base supports the electronic assemblies A1 thru A5, a 13 slot CCA cage rack
assembly, and the connector bracket assembly that contains zero force keyed
connectors J1 thru J10.
The rack assembly 2A2A7A6 contains the following CCAs:
l
l
l
l
l
l
l
l
l
Motor control driver 2A2A7A6A1
Motor control logic 2A2A7A6A2
MUX motor control 2A2A7A6A3
Temperature measurement 2A2A7A6A4
FIFO memory 2A2A7A6A5
Bus multiplexer 2A2A7A6A7
Programmable pulse generator 2A2A7A6A8
Programmable pulse generator II 2A2A7A6A9
Programmable pulse generator analog 2A2A7A6A10
(3) The electronic assemblies are as follows:
l Video signal generator 2A2A7A1
l Camera head control unit 2A2A7A3 (internal CID)
l Relay 2A2A7A4
l Heatsink 2A2A7A5
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