TU56 DECtape

This document is an Illustrated Parts Breakdown (IPB) for the TU56 DECtape system, published by Digital Equipment Corporation in October 1973. It serves as a comprehensive reference for identifying parts, assembly structure, and engineering nomenclature. The manual contains:

• Assembly Locator: An index with figure references for major assemblies, including the Front Panel, Chassis, and H725 Power Supply.
• Indented Parts Lists: Tables detailing parts by assembly, incorporating information on DEC part numbers, ECO cut-in levels, used-on variation codes, and vendor cross-references.
• Exploded Views: Detailed illustrations for the DECtape assembly, front panel switch assembly, chassis assembly, and power supply assembly, with callouts for specific components.
• Revision History: Records of updates to the manual, confirming that the 2nd printing supersedes the 1st printing (DEC-TU56-IPB-1).
• Support Documentation: Instructions for using the IPB, including symbol definitions, hardware designators, and repairability notes, along with a comment sheet for reader feedback.