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FDD412A/B
(t)
Noise
(carried
on
data)
(u)
Noise
(upon
medium
removal)
il
|
re
Table
5.6
Corresponding
to
Item
5.2.4
Symptom
Probable
Cause
Error
only
Same
with
other | Noise
within
FDD
Chekes
on
FDD
with
medium
media
mounted
=
'
sis
No
error
with
Defective
media
Checks
on
FDD
that
wrote
other
media
data
Error
without
50/60Hz
sync
Power
supply
Checks
on
power
supply
media
section
defective | section
High
frequency
External
noise
Checks
on
noise
sources
Error
without
media
Noise
within
FDD
Chekcs
on
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