RL01/RL02

This document is a technical field maintenance print set for the Digital Equipment Corporation RL01/RL02 Disk Drive. It provides detailed engineering schematics, assembly diagrams, and comprehensive parts lists for the various subsystems of the disk drive unit.

The document covers the following primary components:

• Power Panel Assembly: Detailed wiring, power specifications, and component layout for the power supply unit.
• Read/Write Board: Logic diagrams and component parts lists for the read/write circuitry.
• Front Panel: Schematics and assembly details for the drive's control interface.
• AC Servo: Logic and layout for the AC motor servo control.
• DC Servo and Power Supply: Detailed electronics for DC servo control and power regulation.
• Drive Logic: Extensive multi-page logic diagrams and parts lists detailing the operation and state control of the drive logic.

This manual is intended for maintenance and service personnel to identify components, troubleshoot circuits, and understand the internal electrical architecture of the RL01/RL02 hardware.