TM 1-1270-476-30
1-27
1-22. DESCRIPTION OF TADS ELECTRONIC UNIT (TEU) ASSEMBLY
The TEU assembly is located in the left FAB. The assembly contains a micro-processor that provides
interface with the helicopter multiplex bus system and circuits that are part of video and laser tracking.
The TEU contains electrostatic discharge sensitive (ESDS) devices that require special preparation for
storage and shipment when removed from the TEU. Major assemblies are:
R/D converter and channel multiplexer
A12
I/0 laser interface CCA A11
Discrete/serial I/O A10
Memory CCA A9
TADS CPU CCA A8
Analog I/O CCA A7
Laser tracker decoder CCA A2
Timing generator/BITE CCA A3
Video processor CCA A4
Digital tracker processor CCA A5
Digital tracker CPU CCA A6
Power supply assembly