User's Manual

SECTION I INTRODUCTION
SM 7063 07/97 1-8
1.7.3 CDU Major Assemblies
The photo below shows a top view of the CDU with its cover removed exposing the major assemblies.
The unit has been designed using a modular approach for ease of production and user maintenance.
Figure 1-3. Model 6696 CDU Features (Top Internal View)
The CDU is comprised of the following three (3) major sub-assemblies:
Front Panel Assembly:
Contains the Processor Board, LED Display Driver Board, Display Panel, and
Emergency Switch Assembly.
Rear Panel Assembly:
Contains the Interface Connectors and UHF Transceiver Module.
Base Assembly:
Contains the Bottom Housing, Power Supply Circuitry, and serves as the
base into which the Front and Rear Panel Assembly plug.