MP01427 RA82 Jun86

This document is a comprehensive Field Maintenance Print Set (Part Number MP - 01427), issued by Digital Equipment Corporation.

It is explicitly designated "FOR INTERNAL USE ONLY" and is "CONFIDENTIAL AND PROPRIETARY," strictly limiting its reproduction, copying, or use without written permission from Digital Equipment Corporation.

The primary focus of the document is the RA82 disk drive system, detailing various configurations such as "RA82 4-HIGH SHIP CONFIGURATION" and "RA82 ADD-ON INSTALLATION."

The content is organized with a Table of Contents and includes a wide array of technical information:

• Installation and Assembly Drawings: Providing visual guides and instructions for cabinet setup, slide installation, component placement, and cable routing.
• Parts Lists: Detailed breakdowns of components for various assemblies and sub-assemblies, including disk drives, power supplies, chassis, motor/brake, logic, fan holders, sequence cables, and bezels.
• Cable Charts: Outlining connections for different RA82 add-on configurations.
• Schematic and Block Diagrams: In-depth electrical and functional diagrams for complex modules such as Interconnect, Connector Board, Regulator Board, Operator Control Panel, Hybrid Microprocessor Modules, Servo Control Modules, and Read Write Modules.

General notes and disclaimers are present throughout, providing critical instructions on manufacturing organization requirements, assembly criteria (e.g., DEC STD 116), torque specifications, cable dressing, and references to associated user guides for proper installation and operation.