MP02291 RD54 sch Jun87

This document is the RD54 Field Maintenance Print Set from Digital Equipment Corporation (DEC), published on March 19, 1987, with Print Set Part Number MP-02291.

It provides comprehensive technical and maintenance information for the RD54 159 MB (formatted) 5 1/4-inch Winchester Disk Drive, covering variations such as RD54-A, RD54-EA, and RD54-ZA.

Key contents of the print set include:

• A Table of Contents outlining the document components.
• Parts Lists (e.g., K-PL-RD54-0-DBP) detailing the components of the disk drive, including specific Digital and Maxtor vendor part numbers.
• Revision Matrices and Information Sheets (K-RM-RD54-0-0) which provide critical details on engineering changes (ECOs), mapping part numbers to hardware revision levels, and explaining functional equivalencies, component modifications (e.g., resistor changes, coating differences), and minimum shippable revision levels for various parts like the device PCB and the drive itself.
• Assembly/Unit Diagrams (e.g., C-UA-RD54-0-0) illustrating the physical layout and components of the disk drive.

The document emphasizes its confidential and proprietary nature, belonging to Digital Equipment Corporation.