FP750 Field Maintenance Print Set

This document is a "Field Maintenance Print Set" from Digital Equipment Corporation, copyrighted 1981, providing comprehensive technical documentation for the FP750 Assembly.

The set includes:

• Overview: A table of contents, front view of the FP750 assembly, and unit variations covered.
• Parts Lists: Detailed component lists for the FP750, identifying it as a processor with a Floating Point Accelerator (FPA).

• Drawings & Schematics: Numerous technical drawings covering various aspects of the FP750's hardware, including:

  • Assembly drawings and etch/drill cut drawings.
  • Extensive circuit schematics for its functional blocks, such as Fraction I/O, Coarse Shifter, ALU Buffers, Fraction ALU, Multiplier Register, Partial Product Adders and Registers, Align Normalize, Shift Logic, Exponent Logic, and various control and condition logic units (Latch, Sign Logic, Opcode Entry, Control Store, Clock Logic, Condition Codes).
  • Schematics for power/ground decoupling and micro diagnostic test connectors.

• Rework Instructions: Specific instructions for hardware modifications (e.g., wire adds).

• Forward References: Indices listing schematic page numbers for various signals.

The document serves as a detailed technical manual for the maintenance and understanding of the FP750 hardware.