RC25 Disk Subsystem Pocket Service Guide

Company:Digital Equipment Corporation
Part:EK-0RC25-PS-002
Date:1984-07
Keywords:
Supersedes:

Table of Contents

  • 1 Introduction
    • 1.1 General
    • 1.2 Description
      • 1.2.1 RC25 Disk Subsystem
      • 1.2.2 Disk Drive Packaging
    • 1.3 Preventive Maintenance
    • 1.4 Documentation
  • 2 Controls, Indicators, and Jumpers
    • 2.1 General
    • 2.2 Controls and Indicators
      • 2.2.1 Voltage Selection
      • 2.2.2 Power On/Off Circuit Breaker
      • 2.2.3 Run
      • 2.2.4 Eject
      • 2.2.5 Write Protect
      • 2.2.6 Fault
      • 2.2.7 Unit Select Number
      • 2.2.8 Controller Fail Indicator
      • 2.2.9 Power OK Indicator
    • 2.3 Loading and Unloading Procedures
      • 2.3.1 Cartridge Loading
      • 2.3.2 Cartridge Unloading
    • 2.4 Operating Procedures
    • 2.5 Other Switches and Jumpers
      • 2.5.1 RUC25 UNIBUS Adapter Module
      • 2.5.2 RQC25 Q-Bus Adapter Module
    • 2.6 Ejecting the Cartridge in Case of Failure
  • 3 Troubleshooting
    • 3.1 General
    • 3.2 Basic Checks
    • 3.3 Maintenance Indicators and Fault/Error Codes
      • 3.3.1 Power OK Indicator
      • 3.3.2 Controller Fail Indicator
      • 3.3.3 Fault Indicator
    • 3.4 Power-Up/Spin-Up/Head Load Diagnostics
      • 3.4.1 Power-Up Diagnostics
      • 3.4.2 Spin-Up/Head Load Diagnostics
    • 3.5 Resident Exerciser
      • 3.5.1 Seek Test
      • 3.5.2 Read/Write Test
      • 3.5.3 Servo Noise Test
      • 3.5.4 Offset Test
      • 3.5.5 Restrictions
      • 3.5.6 Quick-Verify Mode
      • 3.5.7 Continuous Mode
    • 3.6 Host Level Diagnostic Tests
    • 3.7 Operating System Errorlog Decoding the Troubleshooting
  • 4 Removal and Replacement
    • 4.1 General
    • 4.2 Tabletop Cover/Bezel Assembly
      • 4.2.1 Cover/Bezel Assembly Removal
      • 4.2.2 Cover/Bezel Assembly Replacement
    • 4.3 Extending and Retracting Rackmount Drive
      • 4.3.1 Extending the Chassis
      • 4.3.2 Retracting the Chassis
    • 4.4 Rackmount Cover/Bezel Assembly
      • 4.4.1 Cover/Bezel Assembly Removal
      • 4.4.2 Cover/Bezel Assembly Replacement
    • 4.5 Power Supply Module
      • 4.5.1 Power Supply Module Removal
      • 4.5.2 Power Supply Module Replacement
    • 4.6 Operator Panel Bezel
      • 4.6.1 Operator Panel Bezel Removal
      • 4.6.2 Operator Panel Bezel Replacement
    • 4.7 Make-Up Filter
      • 4.7.1 Make-Up Filter Removal
      • 4.7.2 Make-Up Filter Replacement
    • 4.8 Operator Panel
      • 4.8.1 Operator Panel Removal
      • 4.8.2 Operator Panel Replacement
    • 4.9 Controller Module
      • 4.9.1 Controller Module Removal
      • 4.9.2 Controller Module Replacement
    • 4.10 Drive Module
      • 4.10.1 Drive Module Removal
      • 4.10.2 Drive Module Replacement
    • 4.11 Tabletop Component Assembly
      • 4.11.1 Separating the Tabletop Component and Power Supply Assemblies
      • 4.11.2 Joining the Tabletop Component and Power Supply Assemblies
    • 4.12 Rackmount Component Assembly
      • 4.12.1 Separating the Rackmount Component Assembly and Chassis
      • 4.12.2 Joining the Rackmount Component Assembly and Chassis
    • 4.13 Drive Mechanics Assembly
      • 4.13.1 Drive Mechanics Assembly Removal
      • 4.13.2 Drive Mechanics Assembly Replacement
    • 4.14 Cooling Fan
      • 4.14.1 Cooling Fan Removal
      • 4.14.2 Cooling Fan Replacement
  • A Diagrams

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