VTØ5B Unit Assembly

This document is a comprehensive technical compilation for the Digital Equipment Corporation VTØ5 alphanumeric display terminal, covering various aspects of its models, components, and associated documentation. It includes:

• Parts Lists and Model Variations (Pages 1-4): Detailed specifications for VTØ5B and VTØ5A models, outlining configurations such as "NO PARITY: HALF ASC11-KEYBOARD" and "WITH PARITY: FULL ASC11-KEYBOARD." Variations are distinguished by voltage (115V, 230V) and frequency (60Hz, 50Hz), with specific hardware modifications (e.g., AC breaker, jumper settings, capacitor additions) for each variant.
• Keyboard Assembly (Pages 5-7): Assembly drawings, parts lists, detailed section views, and a circuit schematic for the keyboard unit.
• Wiring Diagrams (Pages 8-9): A "VTØ5 BUSS ASSIGNMENTS" chart detailing connections for power, monitor, serial, and keyboard interfaces. A "VT05 POWER AND SIGNAL WIRING" schematic illustrating interconnections between the control keyboard, main keyboard, raster display module, power supply, and various interface connectors (EIA, current loop, video, sync).
• Accessory and Software Lists (Pages 10-11): An "Accessory List" itemizing maintenance manuals, reference manuals, interface cables, and fasteners. A "Software List" detailing various "MainDec" software packages (Paper Tape Binary and Document) compatible with different DEC systems (e.g., PDP-8, PDP-15, DEC-11, DEC-10).
• Customer Acceptance Procedure (Page 12): Outlines the steps for installation, inventory (including an accessory checklist), running diagnostics, and documenting any exceptions for customer acceptance.
• Power Supply Schematic (Pages 13-14): Detailed schematic diagrams for the H733-1-1 power supply, including a list of its components.

Overall, the document provides detailed technical information for the manufacturing, assembly, configuration, and operation of the VTØ5 terminal and its related modules.