Shugart SA400L Minifloppy Manuals

Manuals and User Guides for Shugart SA400L Minifloppy. We have 1 Shugart SA400L Minifloppy manual available for free PDF download: Service Manual

Shugart SA400L Minifloppy Service Manual

Shugart SA400L Minifloppy Service Manual (62 pages)

Diskette Storage Drive

Brand: Shugart | Category: Floppy Disk Drive | Size: 3 MB

Table of Contents

Table of Contents
2
Specification Summary 1*1
7
- Functional Specifications
  7
- Reliability Specifications
  8
Section II Electrical Interface
9
- Signal Interface
  10
- Input/Output Lines
  10
- Frameground
  10
Section III Physical Interface
12
- J1/Piconnector
  13
- J2/P2 Connector
  13
- Frame Grounding
  13
Section IV Theory of Operation
14
- General Operations
  14
- Head Positioning "2
  15
- Diskette Spindle Drive J O
  15
- Read/Write Head
  15
- Recording Format
  15
  - General
    15
  - Formats
    16
    
    Soft Sectored Recording Format
    16
    
    Track Layout
    17
    
    Hard Sectored Recording Format
    18
  - Drive Motor Control
    18
    
    Single Drive System
    19
    
    Multipledrive System
    20
  - Index Detector
    20
  - Track Accessing
    21
    
    Stepper Motor
    21
    
    Stepper Control
    22
  - Read/Write Head
    23
  - Read/Write Operations
    23
  - Write Circuit Operation
    25
  - Readcircuit Operation
    26
  - Write Protect
    26
Section V Maintenance
28
- Maintdiskettenancdiskette Equipmdiskettent Diskette
  28
  - Exerciser
    28
  - Special Tools
    28
- Diagnostic Techniques
  28
  - Soft Error Detection and Conection
    29
  - Write Error
    29
  - Seek Error
    29
  - Interchange Error
    29
- Removals and Replacements
  30
  - Faceplate
    30
  - Drive Motor Assembly
    30
  - Stepper Motor and Actuator Cam
    30
  - Head and Carriage Assembly
    30
  - Hub Frame Assembly
    31
  - Write Protect Switch
    32
  - Index Detector Assembly
    32
  - Index LED
    32
  - Track Zero Switch
    32
- Check. Adjustments, and Alignment
  32
- Receiving Inspection
  40
  - Philosophy
    40
  - Procedure
    40
Section VI Maintenance Diagrams
41
Section VII Illustrated Parts Catalog
48

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