Circuit Schematic

This document provides a technical circuit schematic and associated component chart for a Digital Equipment Corporation (DEC) power supply unit, identified as part of the POP-15 system.

The schematic details the electrical connections and component specifications for the power supply's various outputs, including:

• Voltage Outputs: +10.5 VDC @ 2.5 A, -15.5 VDC @ 3.5 A, and 5 VDC @ 20 A.
• Input Flexibility: Includes an input connection chart for configuring the unit for either 220 VAC or 110 VAC operation.
• Component Specifications: A comprehensive list of resistors, capacitors, diodes, fuses, transistors, and integrated circuits used within the design.
• Mechanical/Safety Details: Notes regarding chassis grounding and thermal protection (thermostats).

The document also includes revision history tracking for the H721 assembly.