MP00078 TMB11 Engineering Drawings Feb76

This document is a Field Maintenance Print Set (Order No. MP00078) for the TMB11 Magnetic Tape Controller, published by Digital Equipment Corporation in 1976.

The purpose of the document is to provide comprehensive technical documentation for the maintenance of the TMB11, which is available in two main configurations: TMB11-A (115V) and TMB11-B (230V).

The print set includes:

• A Table of Contents and a Drawing Directory.
• Block Diagrams illustrating the system architecture.
• Detailed electrical and mechanical prints (schematics, wiring lists, and assembly drawings) for various components and subsystems, including:
  • Wired Assembly and Backpanel for the TMB11
  • Tape Drive Interface
  • UNIBUS Registers
  • Magnetic Tape Cable Terminator
  • Address Selector
  • UNIBUS Master Control
  • Interrupt Control
  • Word Count & Current Memory Address
  • Bus Cable Interface
  • Command/Status Board
  • Module Utilization and Option Harnesses (e.g., RK11-D).

The document is structured to provide maintenance personnel with detailed information on the TMB11 controller's construction, circuitry, and interconnections.