MP00629 RX02 Sep78

This document is a comprehensive "Field Maintenance Print Set" (Order No. MP 00629) for the Digital Equipment Corporation RXØ2 Floppy Disk System.

The set provides extensive technical documentation crucial for the maintenance and servicing of various RXØ2 models. It includes:

1. Detailed Table of Contents and Drawing Directories: Listing all included documents.
2. Product Structure: It covers the RXØ2 Floppy Disk Drive Assembly, breaking it down into sub-assemblies and components.
3. Key Components Documentation:
   • RXØ2 Floppy Disk Drive: General assembly and associated lists.
   • RXØ2 Floppy Disk Controller Boards: Includes multiple revisions (e.g., M7744, M7744-YC) with schematics, parts lists, and etch/drill drawings.
   • RXØ2 Read/Write Control Boards: Also includes multiple revisions (e.g., M7745, M7745-YA) with schematics, parts lists, and etch/drill drawings.
   • H771 Power Supply: Complete print set with schematics, assembly, and parts lists.
   • Plenum/Fan Assembly: Documentation for the cooling unit, including different styles and interconnections.
4. Unit Variations: A significant portion details various RXØ2 configurations (e.g., RXØ2-AA, RXØ2-BC, RXØ2-VA), outlining differences in voltage, frequency, single/dual drive setups, and inclusion/exclusion of physical components like bezels or slides.
5. General Lists: Includes software lists, hardware kit lists, and shipping lists for different configurations.

The document provides highly detailed engineering information, from overall assembly instructions and wiring diagrams to component-level parts lists and circuit board layouts, making it suitable for in-depth technical and engineering maintenance. It is proprietary to Digital Equipment Corporation, with copyrights noted from 1975 to 1983.