RM05 Disk Subsystem Service Manual

Company:Digital Equipment Corporation
Part:EK-0RM05-SV-002
Date:1982-04
Keywords:

Table of Contents

  • Chapter 1 General Information
    • 1.1 Introduction
      • 1.1.1 Scope of Manual
      • 1.1.2 RM05 Hardware Maintenance Plan
    • 1.2 Description
    • 1.3 Disk Pack
    • 1.4 Subsystem Features and Capabilities
    • 1.5 Reference Documentation
    • 1.6 Subsystem Configuration
    • 1.7 Dual-Port Configuration Restrictions
    • 1.8 Subsystem Specifications
    • 1.9 Non-VDE/VDE RM05 Subassemblies
    • 1.10 RM Adapter Subassemblies
  • Chapter 2 Installation and Checkout Procedures
    • 2.1 Introduction
    • 2.2 Site Preparation and Planning
    • 2.3 Unpacking the Drive
      • 2.3.1 Unpacking the Drive Cabinet
      • 2.3.2 Unpacking the RM Adapter Cabinet
      • 2.3.3 Unpacking RM Adapter
    • 2.4 Drive Installation Procedures
      • 2.4.1 Preinstallation Inspection
      • 2.4.2 Daisy-Chain Grounding
      • 2.4.3 AC Power Wiring
        • 2.4.3.1 VDE 50Hz to 60Hz Conversion
        • 2.4.3.2 Required Parts
        • 2.4.3.3 Conversion Procedure
      • 2.4.4 Drive Power Cable Routing
      • 2.4.5 I/O Cable Installations
      • 2.4.6 Logical Address Plug Installation
      • 2.4.7 RM Adapter Coupling
        • 2.4.7.1 Adapter AC Power Cable Routing
        • 2.4.7.2 MASSBUS and Power Sequence Cable Installation
        • 2.4.7.3 Cable A (60 Position) Installation
        • 2.4.7.4 Cable B (26 Position) Installation
        • 2.4.7.5 Frame Grounding Procedure
        • 2.4.7.6 Final Securing of Adapter Cabinet
      • 2.4.8 Cabling Procedure for Second RM Adapter
        • 2.4.8.1 Adapter AC Power Cable Routing
        • 2.4.8.2 MASSBUS and Power Sequence Cable Installation
        • 2.4.8.3 Cable A (60 Position) Installation
        • 2.4.8.4 Cable B (26 Position) Installation
        • 2.4.8.5 Frame Grounding Procedure
        • 2.4.8.6 Final Securing of Adapter Cabinet
      • 2.4.9 Dual-Port Option (Lower RM Adapter)
      • 2.4.10 Dual-Port Option (Upper RM Adapter)
      • 2.4.11 Cabinet Leveling
    • 2.5 Initial Checkout and Start-Up
      • 2.5.1 Drive Power Up
      • 2.5.2 Tests and Adjustments
        • 2.5.2.1 Testing With Software
        • 2.5.2.2 Preliminary Setup
      • 2.5.3 Head Alignment Procedure
        • 2.5.3.1 Installation of Head Alignment Card
        • 2.5.3.2 Preliminaries for Head Check or Alignment
        • 2.5.3.3 Initial Setup
        • 2.5.3.4 Servo Head Alignment Check
        • 2.5.3.5 Read/Write Heads Alignment Check and Adjustment
      • 2.5.4 Servo System Tests and Adjustment
      • 2.5.5 Operating Procedures
        • 2.5.5.1 Continuous Seek, No Read/Write
        • 2.5.5.2 Random Seek, No Read/Write
        • 2.5.5.3 Write-Format
        • 2.5.5.4 Read
        • 2.5.5.5 Write Flag
        • 2.5.5.6 Check Data-Error Logic
        • 2.5.5.7 Trouble Analysis
      • 2.5.6 Preparation of Drive for Return to On-Line After Testing
    • 2.6 Field Acceptance Procedure
      • 2.6.1 Introduction
      • 2.6.2 Error Definitions and Rates
        • 2.6.2.1 Hard Errors
        • 2.6.2.2 Soft Errors
        • 2.6.2.3 Pack-Attributable Errors
        • 2.6.2.4 Seek Errors
      • 2.6.3 Field Acceptance Test Diagnostic Programs
  • Chapter 3 Maintenance
    • 3.1 General Maintenance
    • 3.2 Safety Precautions
    • 3.3 Maintenance Tools and Materials
    • 3.4 Disk Pack
      • 3.4.1 Disk Pack Handling
      • 3.4.2 Disk Pack Inspection and Cleaning
    • 3.5 Head Alignment Kit
    • 3.6 Testing Drive with FTU or Software
      • 3.6.1 Testing with the FTU
      • 3.6.2 Testing with Software
      • 3.6.3 Preparation of Drive for Testing
      • 3.6.4 Preparation of Drive for Return On-Line After Testing
    • 3.7 Accessing the Drive for Maintenance
      • 3.7.1 Cabinet Doors
      • 3.7.2 Cabinet Top Cover
        • 3.7.2.1 Top Cover Removal
        • 3.7.2.2 Top Cover Replacement
      • 3.7.3 Deck Cover
      • 3.7.4 Logic Chassis
      • 3.7.5 Pack Access Cover
        • 3.7.5.1 Pack Access Cover Removal
        • 3.7.5.2 Pack Access Cover Replacement
    • 3.8 Power Supply
      • 3.8.1 Non-VDE Power Supply Access
      • 3.8.2 VDE Power Supply Access
      • 3.8.3 Motor Relay Box Assembly
    • 3.9 Side Panels
    • 3.10 Shroud and Shroud Cover
      • 3.10.1 Shroud and Shroud Cover Removal
      • 3.10.2 Shroud and Shroud Cover Replacement
    • 3.11 Maintenance Controls and Test Points
      • 3.11.1 Maintenance Controls
      • 3.11.2 Test Points
    • 3.12 Wirewrap Pins
    • 3.13 Card Test Points
    • 3.14 Power Supply Test Points
    • 3.15 Procedure for Manually Positioning Carriage
    • 3.16 Preventive Maintenance Schedule
    • 3.17 Tests and Adjustments
      • 3.17.1 +5 Volt and -5 Volt Test and Adjustment
      • 3.17.2 Head Alignment
        • 3.17.2.1 Thermal Stabilization
        • 3.17.2.2 Alignment Tool
        • 3.17.2.3 Carriage Locking
        • 3.17.2.4 Initial Set-Up
        • 3.17.2.5 Servo Head Offset Check
        • 3.17.2.6 Read/Write Heads Check and Adjustment
        • 3.17.2.7 Servo System Test and Adjustment
    • 3.18 Trouble Analysis
      • 3.18.1 Power Supply DC Voltage Output Check
      • 3.18.2 Servo System Checks
        • 3.18.2.1 Logic Controlled Servo Checks
        • 3.18.2.2 Manually Controlled Servo Checks
    • 3.19 Read/Write System Checks
      • 3.19.1 Write Circuit Checks
      • 3.19.2 Read Circuit Checks
    • 3.20 Head Amplitude Check
    • 3.21 Miscellaneous Logic Checks
      • 3.21.1 Index Timing Check
      • 3.21.2 Speed Sensor Output Check
  • Chapter 4 Repair and Replacement
    • 4.1 Introduction
    • 4.2 Actuator Assembly Replacement
    • 4.3 Blower Motor Replacement
    • 4.4 Drive Belt Replacement
    • 4.5 Drive Belt Adjustment
    • 4.6 Drive Motor Replacement
      • 4.6.1 Drive Motor Replacement
      • 4.6.2 Brake Replacement
    • 4.7 Head-Arm Assemblies
      • 4.7.1 Head Inspection
      • 4.7.2 Head-Arm Replacement Criteria
    • 4.8 Head-Arm Assembly Replacement
    • 4.9 Head Cam Replacement
    • 4.10 Heads-Loaded Switch Replacement
    • 4.11 Heads-Loaded Switch Adjustment
    • 4.12 Logic Chassis Backpanel Repair
      • 4.12.1 Wirewrap Pin Replacement
      • 4.12.2 Wirewrap Replacement
    • 4.13 Operator Control Panel Replacement
    • 4.14 Pack Access Cover Solenoid Replacement (Non-VDE)
    • 4.15 Pack Access Cover Solenoid Adjustment (Non-VDE)
    • 4.16 Pack Access Cover Switch Replacment (Non-VDE)
    • 4.17 Interlock Solenoid and Switch Replacement (VDE)
    • 4.18 Pack-On Switch Replacement
    • 4.19 Pack-On Switch Adjustment
    • 4.20 Pack Sensor Assembly Replacement
    • 4.21 Parking Brake Replacement
    • 4.22 Parking Brake Adjustment
    • 4.23 Power Supply Assembly Replacement and Maintenance
      • 4.23.1 Power Supply Assembly Replacement
      • 4.23.2 -ZCN (Power Amplifier) Card Replacement (Non-VDE)
      • 4.23.3 -YEN (Capacitor Board) Replacement (Non-VDE)
      • 4.23.4 -YFN (Relay Board) Replacement (Non-VDE)
      • 4.23.5 Triac and Power Transistor Replacement
      • 4.23.6 Power Supply Replacement (VDE)
      • 4.23.7 -ZCN (Power Amplifier) Card Replacement (VDE)
      • 4.23.8 -FNN (Relay) Card Replacement (VDE)
      • 4.23.9 -CFN (Control) Card Replacement (VDE)
      • 4.23.10 -CBN (Rectifier/Filter) Card Replacement (VDE)
    • 4.24 Motor Relay Box Assembly Replacement (VDE)
    • 4.25 Read/Write Chassis -XGN Card Replacement
    • 4.26 Read/Write Chassis -XFN (Mother Board) Replacement
    • 4.27 Servo Preamp Board Replacement
    • 4.28 Speed Sensor Assembly Replacement
    • 4.29 Speed Sensor Assembly Adjustment
    • 4.30 Spindle Lockshaft Replacement
    • 4.31 Spindle Assembly Replacement
    • 4.32 Spindle to Carriage Alignment
    • 4.33 Static Groundspring Replacement
    • 4.34 Static Groundspring Adjustment
    • 4.35 Velocity Transducer Assembly Replacement
    • 4.36 Voice Coil Flex Lead Replacement
  • Appendix A TB3A2 Field Test Unit
    • A.1 Introduction
      • A.1.1 Operating Voltage
      • A.1.2 I/O Cables
      • A.1.3 Head Alignment Cable
    • A.2 Modes of Operation
      • A.2.1 Direct Seek
      • A.2.2 Continuous Seek
      • A.2.3 Sequential Forward Seek
      • A.2.4 Sequential Reverse Seek
      • A.2.5 Random Seek
    • A.3 Read/Write Modes
      • A.3.1 Write Format
      • A.3.2 Write
      • A.3.3 Read
      • A.3.4 Write Then Read
      • A.3.5 Off
    • A.4 Controls and Indicators

Copies

Address: http://bitsavers.org/pdf/dec/disc/rm05/EK-0RM05-SV-002_Apr82.pdf
Site: Al Kossow's Bitsavers
Format: PDF
Size: 13932379 bytes (13.3 MiB)
MD5: aba58f51a23f35b321e61adaf7859af9
Mirrors: