Power Supply B2 G818

This document is a technical schematic for the Digital Equipment Corporation Power Supply B2, revision D, dated 1969. The circuit diagram illustrates various power inputs and outputs, including:

• Voltage rails: +35V/1A, +5.5K MFD 40V, +5V/100mA, and 400V/1mA.
• Components: The circuit utilizes diodes (D1-D5), resistors (R1-R4), and capacitors (C1, C2). Specifically, it includes a 1N5231B Zener diode and two 1N4004 diodes.
• General Specifications: Unless otherwise marked, the schematic specifies that capacitors are 10 MFD 450V, diodes are MR1033B, and resistors are 1K 2W 5%.
• Connections: The diagram maps various transformer taps (5, 9, and 10) to common chassis and floating ground points.

The document is intended solely for test and maintenance purposes and contains proprietary circuit information.