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Panasonic Manuals
Floppy Disk Drive
JU-3 3 Series
Service manual
Panasonic JU-3 3 Series Service Manual
Micro floppy disk drive
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
1 General Description of Maintenance and Maintenance Equipment
Alignment Diskette
Exerciser
Special Tools
2 Diagnostic Procedures
Introduction
Soft Error Detection and Correction
Write Error
Read Error
Seek Error
Compatibility Error
3 Troubleshooting Flow
Troubleshooting Procedure
Troubleshooting Flow
Troubleshooting Table
Adjustments and Checks
Motor Speed Check
Write Protect Check
Head Amplitude Check
Modulation and Resolution Check
Radial Alignment
Azimuth Check
Index Burst Check
Track 00 Sensor Adjustment
Limiter Adjustment
4 Asymmetry Check and Adjustment
Test Point
5 Removals and Installations
Cover Removal and Installation
Mounting Bracket Removal and Installation
Front Panel and Eject Button Removal and Installation
Holder Assembly Removal and Installation
Write Protect Assembly Removal and Installation
Head Stepper Motor Assembly Removal and Installation
Head and Stepper Motor Removal and Installation
Eject Lever Removal and Installation
Control Printed Circuit Board Removal and Installation
Drive Motor Removal and Installation
Exploded View-1
Exploded View-2
Replacement Parts List of Basic Model
Replacement Parts List of Basic Model
Schematic Diagram of Control Board
Schematic Diagram of Drive Motor
Circuit Board of Drive Motor
Circuit Board of Control Board
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ORDER NO. MSD 851100502
Micro Floppy Disk Drive
JU-363/ JU-323
Matsushita Communication
Industrial
Co.,
Ltd.
Memory Systems Division
3-1, 4-chome, Tsunashima-Higashi
Kohoku-ku, Yokohama 223 JAPAN
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Troubleshooting
Troubleshooting Procedure
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Troubleshooting Flow
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This manual is also suitable for:
Ju-363
Ju-323
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