VAX 6200 Options and Maintenance

This document is a technical manual for DIGITAL field service representatives, intended to guide them through the installation, removal, and replacement of modules and field-replaceable units (FRUs) for the VAX 6200 computer system.

It provides comprehensive information across various subsystems, including:

• System Introduction: Overview of the VAX 6200's physical description, functional architecture, and identification of FRUs.
• Diagnostics: Detailed procedures for self-tests, ROM-based diagnostics, and the VAX Diagnostic Supervisor Programs to identify system issues.
• Major Hardware Components: In-depth sections on the KA62A Processor, MS62A Memory, DWMBA XMI-to-VAXBI Adapter, XMI Card Cage, VAXBI Card Cage, Control Subsystem Assemblies (e.g., power sequencer, control panel, tape drive), Power Subsystem (e.g., regulators, AC power controller, battery backup), and the Cabinet and Airflow Subsystem (e.g., doors, filters, blowers, sensors). Each section typically covers specifications, functional descriptions, and detailed removal and replacement procedures.
• Troubleshooting: Guidance and checklists for resolving system problems.

The manual includes figures, tables, and step-by-step instructions to facilitate maintenance and repair operations.