RK05AA RevZ Engineering Drawings

This document is a collection of engineering drawings and associated technical information for the Digital Equipment Corporation (DEC) RK05 disk drive.

It serves as a comprehensive technical reference, providing detailed schematics, parts lists, and wiring diagrams for various key subsystems and components of the RK05, including:

• Core electronic functions: Read/Write circuitry, Index sector control, Control and interlock logic (with indicators like Ready, Fault, and Write Protect), and Servo systems (pre-amplifiers and power amplifiers for position control).
• Mechanical and electrical interfaces: The Control Panel layout and circuitry, DEC PACK motor relays, and overall Chassis wiring.
• Power Supply: Detailed documentation for the H743 power supply, showing variations for 115V/230V and 50Hz/60Hz operation, along with its internal voltage regulators.
• Accessories: A list of additional items required for the unit, such as maintenance manuals, Unibus cables, head cleaning kits, disk cartridges, mounting hardware, and shipping brackets.

The document highlights different unit variations based on power input (e.g., 115V/60Hz, 230V/50Hz).