MP00576 RK07 schem Apr78

This document is a Field Maintenance Print Set for the Digital Equipment Corporation (DEC) RK07 Disk Drive, published in 1978.

It serves as a comprehensive technical manual providing detailed information necessary for the maintenance and understanding of various RK07 disk drive models (specifically RK07-AA through RK07-BD).

The document's Table of Contents indicates that it covers:

• System Overview & Physical Layout: Module utilization and LED locations, system cabling diagrams, and a functional block diagram illustrating the high-level architecture.
• Operational Logic & Timing: Flow charts outlining operational sequences (for RK06/7), and detailed timing diagrams for critical operations such as seek, start-up, cycle-down, interface signals, and sector counting.
• Detailed Circuitry: Extensive schematics and logic diagrams for drive control, interface, servo control, and servo analog circuits. It also includes details on specific components like track position detectors, operator control panels, servo preamplifiers, photo transducer preamplifiers, read/write circuitry, power supplies, and various cabling and transition boards.
• Parts Lists and Revision History: Detailed lists of components used in different modules (e.g., Drive Control Logic, Interface & Timing, Servo Control, Servo Analog, TPD/PLO, Power Supply).
• Dual Port Logic: Specific sections dedicated to dual port logic, including block diagrams and detailed schematics.
• Wire Lists: Comprehensive wire lists for both single and dual port configurations.

The document emphasizes that the material is for informational purposes only and is subject to change without notice, with DEC assuming no responsibility for errors.