Diagnostic Procedures; Error Symptom Recognition; Soft Error Detection And Correction - Panasonic JU-475-4 Service Manual
Flexible disk storage drive
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Also See for JU-475-4:
- Service manual (33 pages) ,
- Service manual (34 pages) ,
- Service manual (34 pages)
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4.
4.1
4.2
5.2
5.3
OUTLINE
OF MAINTENANCE
e
The following tools are required for maintenance of an FDD.
Alignment Diskette
Exerciser
DIAGNOSTIC PROCEDURES
Error Symptom Recognition
Soft Error Detection and Correction
Soft errors are normally caused by the following.
(2)
Random electrical noise, normally a few microseconds or less.
(5)
Wrong motor speed is another cause of soft errors.
(1)
Read the track again ten times or until the data is recovered.
(3)
Repeat step (1).
Write Error
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