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Manuals
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Shugart Manuals
Floppy Disk Drive
SA 400 minifloppy
Service manual
Shugart SA400 minifloppy Service Manual
Diskette storage drive
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Also See for SA400 minifloppy
:
Service manual
(76 pages)
,
Manual
(48 pages)
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Table Of Contents
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Contents
Table of Contents
Bookmarks
Table of Contents
Theory of Operation
Table of Contents
General Operations
Head Positioning
Diskette Spindle Drive
Read/Write Head
Recording Format
Functional Diagram
Bit Cell
Byte
Tracks
Track Format
Hard Sector Recording Format
Soft Sector Recording Format
Drive Motor Control
Drive Selection
Head Load
Single Drive System
Multiple Drive System
Index Detector
Index Detector Logic
Index Timing Diagram
Track Zero Indication
Track Accessing
Stepper Motor
Stepper Control
Stepout
Stepper Control Function Diagram
Step Timing Diagram
Step in Logic
Read-Write Operations
Basic Read/Write Head
Recorded Bit
Reading a Bit
1F and 2F Recording Flux and Pulse Relationship
Write Circuit Operation
Write Circuit Functional Diagram
Read Circuit Operation
Read Circuit Functional Diagram
Write Protect
Write Protect Functional Diagram
Interface
J1/P1 Connector
D.C. Power
Input Output Lines
Interface Connections
Interface Signal Driver/Receiver
Maintenance
Maintenance Features
Alignment Diskette
Exerciser
Special Tools
Diagnostic Techniques
"Soft Error" Detection and Correction
Write Error
Rear Error
Preventive Maintenance
Removals and Adjustments
Test Points
Face Plate
Drive Motor Assembly
Stepper Motor and Acuator
Head and Carriage Assembly
Spindle Hub and Pulley/Assembly
Clamp Hub Removal
Hub Frame Assembly Removal
Write Protect Switch Removal
Index Detector Assembly Removal
Index LED Removal
Track Zero Switch Removal
Head Amplitude Check
Motor Speed Adjustment
Read/Write Head Load Button Adjustment
Track Zero Switch Adjustment
Carriage Limiter
Index/Sector Timing Adjustment
Index Detector Adjustment
Service Position
Head/Redial Alignment
Index Timing
Write Protect Switch Adjustment
Read/Write Head Cleaning
Head Load Bail Adjustment
Physical Locations
PCB Component Locations
Drive PCB Component Locations
Logic Manual
Drive PCB Logic Diagram
Schematics
Illustrate Parts
Description
General
Indented Level
Parts Replacement
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