RM03 Disk Drive Maintenance Print Set

This document provides essential maintenance information, including logic and wiring details, for the CDC® Storage Module Drive models BK5B5G, BK5B5H, BK5C1C, and BK5C1D. It is intended for readers already proficient in mechanical and electrical repair equipment and possessing a working knowledge of logic interpretation.

The manual is structured into three main parts:

1. Diagrams: This section details the conventions used in logic diagrams, including symbology, abbreviations, logic levels, signal names, and intersheet references. It also describes the physical layout of components on the drive and references appropriate diagrams for functional elements.
2. Wire Lists: This section outlines the wirewrap connections on the logic chassis backpanel, explaining how to interpret origin, destination, and Z-level (wire position on the pin) information.
3. Module Layouts: This section presents diagrams illustrating the physical placement of major and discrete components on each logic card, along with their identification codes.