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3-2-4-8. Setting
o f
FDD straps and
SKA
special key
(1) Setting of FDD straps
It is required to confirm before the operation that the straps (short
bars) on the PCBA
MFD
control are at the appropriate p,osition for the
system to be used in the check and adjustment.
For the purpose of simplyfying the explanation, it is recommended to
sec
& ? ; ? e
following straps on when you use an
SKA.
However, if you can
set
w s
straps correctly referring to Specification, Schematic Diagrams,
and Operation Manual, you need not to follow this recommendation.
Strap setting: Set the DO and FG straps to on-state as a general rule.
The other straps may be set as they were unless otherwise
designated.
For a model with head load solenoid, set the HS strap to
on-state and the HL strap should be
o f f .
Notes: 1.
I f
the strap position of the FDD is changed from the initial
setting at the system installation, be sure to change it back
to the initial position after maintenance.
2 .
When D1 strap is on, drive select is executed by key "1" of the
SKA.
Similarly D2 corresponds to key
" 2 "
and D3 to key "3".
These keys of DO
%
D3 can also release the drive select condition
by depressing the same key again.
(2) Setting of
SKA
special key
The signal level of the interface connector pin No.4
( I N
USE/HEAD LOAD)
changes alternately between TRUE and FALSE by depressing
"A"
key of the
SKA.
When it 1s TRUE, "A" indicator turns on.
Refer to
the Specification as to the function of the signal and its relation to
the straps.
(IN USE)
-
3230
-
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