HP 7901A Manuals

Manuals and User Guides for HP 7901A. We have 1 HP 7901A manual available for free PDF download: Operating And Service Manual

HP 7901A Operating And Service Manual

HP 7901A Operating And Service Manual (128 pages)

Brand: HP | Category: Storage | Size: 10.66 MB

Table of Contents

Table of Contents
5
Section Page
6
1 General Information

11
- Introduction
  11
- General Description
  11
- Identification
  11
- Specifications
  11
- Options
  14
- Accessories
  14
- Related Manuals
  14
2 II

15
- Installation
  15
- Introduction
  15
- Mounting
  15
- Connection Instructions
  17
- Shipping Instructions
  18
- Using Original Packaging
  18
- Using Other Packaging
  21
3 III Operation

23
- Operation
  23
- Introduction
  23
- Operating Controls and Indicators
  23
- Operating Instructions
  23
4 Theory of Operation

27
- Introduction
  27
- Mechanical and Electrical Characteristics
  27
- Detailed Functional Description
  28
- Drive Enable and Motor Control
  28
- Carriage Position Control
  31
- Head and Sector Control
  32
- Read/Write Control
  33
- Disc Drive Power Supply
  35
5 Vmaintenance

39
- Introduction
  39
- Maintenance Precautions
  39
- Preventive Maintenance
  39
- Absolute-Filter Replacement
  39
- Inspection
  40
- Cleaning
  42
- Repair Information
  44
- Performance Tests
  45
- Alignment and Adjustments
  45
- Regulated +5 VDC Supply
  45
- Encoder Plate Clearance
  45
- Encoder Clearance
  46
- Encoder Parallelism Adjustment
  46
- Encoder Alignment
  47
- Servo Amplifier Adjustment
  48
- Head Alignment
  49
- Sector Circumferential Adjustment
  50
- Belt Tension Adjustment
  50

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