MP00176 TR07A PEC Formatter Interface Engineering Drawings

This document is a Field Maintenance Print Set (MPØØ176) for the Digital Equipment Corporation TRØ7-A PEC Formatter Interface.

It contains a comprehensive collection of information for the maintenance and understanding of this interface, including:

• Mechanical Assemblies & Parts Lists: Drawings and lists for components like left and right end panels, cables (BCØ8J), wired assemblies, H911 mounting panel, and various pins and block types.
• Wire Lists & Revisions: A wire list specifically for the PEC Formatter Interface and an Automatic Wire Tester (AWT) revision status.
• Module Utilization: Details on how electronic modules are used within the system.

• Detailed Circuit Diagrams (Schematics): For various functional blocks, including:

  • Format Control
  • Indicator Drivers
  • 8 Control (From 8, To 8)
  • Command Register
  • Memory Buffer
  • Write Buffer & Write Control
  • Read Control & Read Buffer
  • Compare logic
  • From Form / To Form logic
  • Write Mux

• I/O Connections & Logic: I/O connectors (positive bus), six flip-flops, and a device code select jumper board.