R80 Disk Drive Pocket Service Guide

Company:Digital Equipment Corporation
Part:EK-00R80-PS-001
Date:1982-05
Keywords:

Table of Contents

  • 1 Introduction
    • 1.1 General
    • 1.2 Field Replaceable Units (FRUs)
  • 2 Front Panel Switches and Indicators
    • 2.1 Operator Controls and Indicators
    • 2.2 Front Panel Fault Identification Codes
  • 3 Diagnostic Fault Isolation and Troubleshooting
    • 3.1 Internal Drive Diagnostics
    • 3.2 Fault Isolation
      • 3.2.1 Power Supply Fault Isolation
  • 4 Servicing Tips
    • 4.1 Tips and Reminders
      • 4.1.1 Testing the Write-Protect Function
      • 4.1.2 Checking Firmware Revision and ROM Set Numbers
      • 4.1.3 Spin-Up Delay After Power-On
      • 4.1.4 Spindle Motor Thermal Timeouts
      • 4.1.5 HDA Fault Isolation
  • Appendix A Binary to Hexdecimal Conversion

Copies

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