Sharp FDD-412A Service Manual page 102

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FDD412A/B
Group
(IL)
Jacket
Typical
Failure
3
|The
left
end
of
the
jacket
is
stepped.
Table
5.7 (4)
Probable
Cause
1.
The
disk
was
mounted]1.
on
the
FDD
1500
to
2000
times
and
reached
the
end
of
service
life.
Error
Symptom
Remedy
Read
error
or
write
error.
1.
Discard.
2.
Divert
to work
disks
the
program
disks
frequently
used.
|
4
|The
jacket
is buckeld.
{|1. The
product
quality
|1. The
disk
not
pop
is
defective.
:
out
of
the
FDD.
|2. Storage
or
operating/2.
Inadequate
feeding
|
temperature/humidity;
or jamming by
,
requirements
were
auto-loader,
a
ps
SaRereeds
3. Read
error
or
|
;3. The disk was
placed
write
error.
on
an
irregular
So
Ya
surface
and
was
1.
Discard.
|
gs a iE aca te
2.
Observe
the
stor-
|
|
age
or
operating
temperature/
humidity
require-
ments.
3. Handle
with
care.
t
ee a
:
{5
|The jacket
is ex-
1.
The
product
quality
-|1. Same
as
the
error
cessive
in outside
is
defective.
symptom
in II-4.
dimensions
(WXL*xH).
|
tt
1.
Consult
the
floppy
|
|
disk
manufacturer.
|
Replace
or
discard
i
|
the
disk.
[_
L
i6 |The
label
put
on
the
ji.
Defective
label.
1.
Same
as
the
error
|
.
:
.
j
F
ee
ee
2.
The
label
was
in-
Sympcomnie.
tao
i
to
pee
.
}
7
.
adequately.
Gnptieds
1.
Consult
the
floppy
|
[|
{3. In a rare 'case,
the
disk manufacturer.
|
peeling-off
is
at-
Replace
or
discard
|
©
tributable
to an
the
disk.
FDD
fault.
Apply
a new
label.
Check
the
FDD collet
|
or
the path
through
(
which
to
insert
the
FDD.

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