Digital Equipment RK05BB Hardware Manuals

Manuals and User Guides for Digital Equipment RK05BB Hardware. We have 1 Digital Equipment RK05BB Hardware manual available for free PDF download: Maintenance Manual

Digital Equipment RK05BB Maintenance Manual

Digital Equipment RK05BB Maintenance Manual (78 pages)

Disk Drive

Brand: Digital Equipment | Category: Storage | Size: 4 MB

Table of Contents

Table of Contents
4
Chapter 1 General Information

10
- Introduction
  10
- Specifications
  10
- 50/60 Hz Power Option
  11
- Major Assemblies and Systems
  12
- Air System
  12
  - Controls and Indicators
    13
  - Spindle and Drive
    15
  - Linear Positioner
    16
  - Cartridge Handling System
    16
  - Electronic Module
    18
  - Air System
    18
  - Power Supply
    18
Chapter 2 Inst Allation

19
- Unpacking and Inspection
  19
- Mechanical Installation and Checkout
  19
Operation

21
- Disk Cartridge Installation and Removal
  21
- Normal Operating Procedure
  21
Chapter 3 Interface

23
- General
  23
- Input Interface Lines
  23
  - Select (4 Lines)
    23
  - Cylinder Address (8 Lines)
    23
  - Strobe
    23
  - Head Select
    24
  - Write Protect Set
    25
  - Write Data and Clock
    25
  - Write Gate
    25
  - Restore (RTZ)
    25
  - Read Gate
    25
- Output Interface Lines
  25
  - File Ready
    25
  - R/W/S Ready (Read, Write, or Seek Ready)
    25
  - Address Accepted
    26
  - Address Invalid
    26
  - Seek Incomplete
    26
  - Write Protect Status
    26
  - Write Check
    26
  - Read Data
    26
  - Read Clock
    26
  - Sector Address (4 Lines)
    26
  - Sector Pulse
    27
  - Index Pulse
    27
  - Aclow
    27
  - DC Low
    27
  - High Density
    27
Chapter 4 Theory of Operation

28
- Functional Description
  28
  - Start
    28
  - Stop
    28
  - Track Addressing and Head Positioning
    29
  - Read/Write Heads
    31
- Stop Flow Chart
  31
- Read/Write Head
  31
- Seek Flow Chart
  32
  - Recording Technique
    34
- Logical Description
  34
  - Power On/Off Sequence
    34
- Head Loading
  34
  - Start
    35
- Double Frequency Pulse Relationship
  36
- Control and Interlock Block Diagram
  37
  - Stop
    38
- Normal Stop
  38
  - Low Speed Stop
    38
  - AC Low Stop
    38
  - DC Low Stop
    39
  - Disk Drive Addressing
    39
  - Seek
    39
  - Load Heads Seek
    39
- Forward Seek
  40
- Reverse Seek
  41
- Return-To-Zero (Restore) Seek
  42
  - Position Servo Logic
    42
- Velocity Mode
  43
- Linear Position Transducer
  43
- Velocity Synthesizer
  44
- Velocity Synthesizer Timing
  45
- Detent Mode
  46
  - Sector/Index Pulse Generation
    46
  - Read Operation
    48
- Read Timing
  49
  - Write Operation
    50
  - Fault Detection
    50
- Erase Current Fault
  51
- Positioner Lamp Fault
  51
- Power Supply Description
  51
Chapter 5 Maintenance

52
- Recommended Tools and Test Equipment
  52
- Preventive Maintenance
  52
  - Elapsed Time Indicator
    53
  - 500-Hour PM Procedure
    54
- Prefilter Removal
  54
  - Prefilter Removal and Replacement
    55
  - Absolute Filter Removal and Replacement
    55
- Corrective Maintenance
  56
  - Linear Positioner
    56
- Ll Positioner Removal
  56
- Positioner Replacement
  56
- Absolute Filter Removal
  56
  - Carriage
    58
- Carriage Removal
  58
- Carriage Replacement
  58
- Carriage Removal
  59
- Carriage Bearing Assembly Removal
  60
- Carriage Bearing Assembly Replacement
  60
  - Transducer Block Removal and Replacement
    60
- Carriage Bearing Assembly Removal
  61
- Servo System Timing Adjustment
  62
- 64-Cylinder Seek Waveform
  64
  - Read/Write Heads
    65
  - Head Removal
    65
  - Head Replacement
    65
- Read/Write Head Alignment
  66
- Read/Write Head Adjustments
  66
  - Read/Write Data Separator (G 180 Card) Adjustment
    67
- Read/Write Head Alignment Waveforms
  68
  - Spindle
    69
  - Spindle Removal
    69
  - Spindle Replacement
    69
- Spindle Replacement
  70
  - Spindle Drive Motor
    71
- Motor Removal
  71
  - Motor Replacement
    71
  - Drive Belt Removal and Replacement
    71
  - Blower Removal
    72
  - Blower Motor
    73
  - Blower Replacement
    73
- Spare Parts List
  74
- Troubleshooting
  75

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