KDF11-A

This document is a Field Maintenance Print Set for the KDF11-A CPU (Digital Equipment Corporation, 1980). It serves as a technical reference, containing essential engineering data for maintenance and repair.

Contents:

• Drawing Directory: Lists and organizes the included schematics and assembly drawings.
• Parts Lists: Detailed components lists for the KDF11-A CPU, including M8186 processor variations.
• Unit Assembly Drawings: Visual layout and component-level assembly diagrams for the M8186 CPU board.
• Circuit Schematics: Comprehensive logic and circuit diagrams (D-CS-M8186-0-1) for troubleshooting.
• Rework Instructions: Documentation for specific ECO (Engineering Change Order) modifications.

The document also outlines unit variations (KDF11-AA, AB, AC) and provides jumper configuration tables for board settings.