This document is a comprehensive "Field Maintenance Print Set" for the Digital Equipment Corporation (DEC) VS11 series, published in 1980. It serves as a detailed technical manual for the maintenance and repair of various VS11 configurations.
The document includes:
- Table of Contents and Drawing Directories: Providing an overview of the included documentation.
- Unit Assembly Information: Assembly drawings and connection details for the overall VS11 unit.
- Detailed Schematics and Parts Lists: For critical functional blocks such as the Sync Generator/Cursor Control, Image Memory, and Image Processor.
- Bus Interface Components: Documentation for UNIBUS to LSI Bus Converters and DW11-B Q Bus Connectors, outlining how the VS11 interfaces with different host systems.
- Cabling and Harness Diagrams: Specific details for data, joystick, and other interconnects.
- Rework Instructions: Guidance for specific modifications or repairs on circuit boards.
- Shipping Lists: Itemizing all components and associated documentation (including diagnostic programs and user guides) for various VS11 models.
The print set covers a range of VS11 unit variations (VS11-AA through VS11-BD), which include different video graphics standards (e.g., 120V/60Hz, 240V/50Hz), monitor types (12-inch B/W, 19-inch Color), and frame buffer configurations, making it a complete technical reference for field service personnel.