Trouble Shooting - Panasonic JU-455-5 Service Manual

Flexible disk storage drive
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6.2 Trouble Shooting Flow Chart
START
Run
the operating
system
and
check.
Record all
diagnostic information on
tracks ana sectors as far as
the
ram
rmits.
Install Exerciser on FOO
Power SW
DC SW ON
Drive
Select SN
head load
SN
ON
RECAL SW
ON
NO
Media Defective
Controller
Defective
Check Item 1.
Table 6.1.
Check Item 2,
Table6.1.
Check Item
J.
Table6.1.
Check Item 4,
Table 6.1.
-4-
Set
Address SW
to Track
Write SWON
Write SW OFF
FOO
online
test
ENO
NO
NO
Check Item 5,
Table 6.1.
Check Item
6,
Table
6.1.
Check Item 7,
TableJ.1.
Check Item 8.
Table 6.1.
Check Item 9.
Table 6.1.
Check Item 1 O.
Table 6.1.

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