TU56H Engineering Drws Jun73

This document is a comprehensive collection of engineering drawings for the Digital Equipment Corporation (DEC) TU56 DECtape transport, including its various models (such as TU56C, TU56-H, TU56-M, etc.).

Primarily dated from 1969 to 1973, the document provides detailed technical information, including:

• A Master Drawing List serving as a central index.
• Assembly drawings and extensive parts lists for the TU56 unit.
• Schematics and components for key electronic modules, such as the Clock Regulator, Relays, Manchester Reader/Writer, One Shot Delay, Dual Motor Voltage Control, and Motor Driver.
• Transport Logic Diagrams outlining the operational flow.
• Wired assembly diagrams.
• Detailed drawings and parts lists for the Switch Control Panel and Panel Front Assembly.
• Information on maintenance, skew check, head shimming, checkout, and acceptance procedures.
• An accessory list for the DECtape transport.