RK05 Disk Drive Maintenance Manual

Chapter 1 General Information
- 1.1 Introduction
- 1.2 Specifications
- 1.3 50/60 Hz Power Option
- 1.4 Major Assemblies and Systems
  - 1.4.1 Controls and Indicators
  - 1.4.2 Spindle and Drive
  - 1.4.3 Linear Positioner
  - 1.4.4 Cartridge Handling System
  - 1.4.5 Electronic Module
  - 1.4.6 Air System
  - 1.4.7 Power Supply
Chapter 2 Installation
- 2.1 Unpacking and Inspection
- 2.2 Mechanical Installation and Checkout
- 2.3 Operation
  - 2.3.1 Disk Cartridge Installation and Removal
  - 2.3.2 Normal Operating Procedure
Chapter 3 Interface
- 3.1 General
- 3.2 Input Interface Lines
  - 3.2.1 Select (4 Lines)
  - 3.2.2 Cylinder Address (8 Lines)
  - 3.2.3 Strobe
  - 3.2.4 Head Select
  - 3.2.5 Write Protect Set
  - 3.2.6 Write Data and Clock
  - 3.2.7 Write Gate
  - 3.2.8 Restore (RTZ)
  - 3.2.9 Read Gate
- 3.3 Output Interface Lines
  - 3.3.1 File Ready
  - 3.3.2 R/W/S Ready (Read, Write, or Seek Ready)
  - 3.3.3 Address Accepted
  - 3.3.4 Address Invalid
  - 3.3.5 Seek Incomplete
  - 3.3.6 Write Protect Status
  - 3.3.7 Write Check
  - 3.3.8 Read Data
  - 3.3.9 Read Clock
  - 3.3.10 Sector Address (4 Lines)
  - 3.3.11 Sector Pulse
  - 3.3.12 Index Pulse
  - 3.3.13 AC Low
  - 3.3.14 DC Low
  - 3.3.15 High Density
Chapter 4 Theory of Operation
- 4.1 Functional Description
  - 4.1.1 Start
  - 4.1.2 Stop
  - 4.1.3 Track Addressing and Head Positioning
  - 4.1.4 Read/Write Heads
  - 4.1.5 Recording Technique
- 4.2 Logical Description
  - 4.2.1 Power On/Off Sequence
  - 4.2.2 Start
  - 4.2.3 Stop
    - 4.2.3.1 Normal Stop
    - 4.2.3.2 Low Speed Stop
    - 4.2.3.3 AC Low Stop
    - 4.2.3.4 DC Low Stop
  - 4.2.4 Disk Drive Addressing
  - 4.2.5 Seek
    - 4.2.5.1 Load Heads Seek
    - 4.2.5.2 Forward Seek
    - 4.2.5.3 Reverse Seek
    - 4.2.5.4 Return-to-Zero (Restore) Seek
  - 4.2.6 Position Servo Logic
    - 4.2.6.1 Velocity Mode
    - 4.2.6.2 Velocity Synthesizer
    - 4.2.6.3 Detent Mode
  - 4.2.7 Sector/Index Pulse Generation
  - 4.2.8 Read Operation
  - 4.2.9 Write Operation
  - 4.2.10 Fault Detection
    - 4.2.10.1 Erase Current Fault
    - 4.2.10.2 Positioner Lamp Fault
- 4.3 Power Supply Description
Chapter 5 Maintenance
- 5.1 Recommended Tools and Test Equipment
- 5.2 Preventive Maintenance
  - 5.2.1 Elapsed Time Indicator
  - 5.2.2 500-Hour PM Procedure
  - 5.2.3 1,500-Hour PM Procedure
  - 5.2.4 3,000-Hour PM Procedure
  - 5.2.5 Prefilter Removal and Replacement
  - 5.2.6 Absolute Filter Removal and Replacement
- 5.3 Corrective Maintenance
  - 5.3.1 Linear Positioner
    - 5.3.1.1 Positioner Removal
    - 5.3.1.2 Positioner Replacement
  - 5.3.2 Carriage
    - 5.3.2.1 Carriage Removal
    - 5.3.2.2 Carriage Replacement
    - 5.3.2.3 Carriage Bearing Assembly Removal
    - 5.3.2.4 Carriage Bearing Assembly Replacement
    - 5.3.2.5 Transducer Block Removal and Replacement
    - 5.3.2.6 Servo System Timing Adjustment
  - 5.3.3 Read/Write Heads
    - 5.3.3.1 Head Removal
    - 5.3.3.2 Head Replacement
    - 5.3.3.3 Read/Write Head Alignment
    - 5.3.3.4 Read/Write Data Separator (G180 Card) Adjustment
  - 5.3.4 Spindle
    - 5.3.4.1 Spindle Removal
    - 5.3.4.2 Spindle Replacement
    - 5.3.4.3 Sector Pulse Timing Adjustment
  - 5.3.5 Spindle Drive Motor
    - 5.3.5.1 Motor Removal
    - 5.3.5.2 Motor Replacement
  - 5.3.6 Drive Belt Removal and Replacement
  - 5.3.7 Blower Motor
    - 5.3.7.1 Blower Removal
    - 5.3.7.2 Blower Replacement
- 5.4 Spare Parts List
- 5.5 Troubleshooting

Company:	Digital Equipment Corporation
Part:	DEC-00-RK05-DA
Date:	1972-04
Keywords:

Address:	http://bitsavers.org/pdf/dec/disc/rk05/DEC-00-RK05-DA_RK05maint_72.pdf
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Address:	http://highgate.comm.sfu.ca/pdp8/rk05-docs/dec-00-rk05-da.tif
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RK05 Disk Drive Maintenance Manual

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