Shugart SA800 Maintenance Manual

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Section Maintenance Features Page 2 3 4 5 6 7 8 9 Diagnostic Techniques Preventive Maintenance. Removals Adjustments . Physical Locations . . SA809 Exerciser Connections SA800/801 PCB Component Locations SA800/801 Logic Manual. . . SA800/801 Schematic Diagrams 3 5 7 17 21 22 23 31 ...

1.1 Alignment Diskette The SA120 Alignment Diskette is used for align- ment of the SA800/80l. The following adjust- ments can be made using the SA120. 1. R/W Head radial alignment using track 38. 2. R/W Head azimuth alignment using track 76. 3. Index Photo-Detector Adjustment using tracks 01 and 76. 4. Track 00 is recorded with stand ...

2.1 Introduction Incorrect operating procedures, faulty program- ming, damaged diskettes, and "soft errors" created by airborne contaminants, random electrical noise, and other external causes can produce errors falsely attributed to drive failure or misadjustment. Unless visual inspection of the drive discloses an obvious misalig ...

should be replaced and the above procedure repeated. If the failure still exists, consider the drive defective. If the failure disappears, consider the original diskette defective and discard it. 2.4 Read Error Most errors that occur will be "soft" errors. In these cases, performing an error recovery procedure will recover the data. ...