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(B-2) Check p r o c e d u r e
(SKA
method)
(1) Connect a n SKA and check cable r e f e r r i n g t o i t e m 3-2-4
and
s e t
t h e
FD P W R s w i t c h t o t h e PSA s i d e .
( 2 ) I n s t a l l
a
l e v e l d i s k .
( 3 ) S t a r t t h e s p i n d l e motor by key
" 5 " .
(MON
i n d i c a t o r
t u r n s
o n ) .
(4) Execute d r i v e
select
by key "0".
( E O
i n d i c a t o r t u r n s o n ) .
( 5 )
Key i n
"CO"
and c o n f i r m t h a t t h e T R A C K i n d i c a t o r becomes
"OO".
(RECALIBRATE)
(6) Key i n
" C l " .
(SEEK
TMAX)
( 7 ) Key i n '*D7".
(WRITE/-
LEVEL
DIF 2F)
C a l i b r a t i o n v a l u e
of the
l e v e l d i s k s h o u l d be
s e t
p r e v i o u s l y i n t h e
SKA.
( 8 )
The D A T A i n d i c a t o r , XXXX (mVo-p)
i n d i c a t e s t h e a v e r a g e r e a d level a t
TP7 and TP8 (Dif-amp.).
( a )
When SKA3 is used:
By k e y i n g i n
"D7",
s i d e
0
and s i d e
1
r e a d levels
are
i n d i c a t e d on
D A T A
0
and D A T A 1 i n d i c a t o r s s u c c e s s i v e l y .
(b) When c o n v e n t i o n a l SKA i s used:
Depress key "4" (STOP) and t h e n e x e c u t e
i t e m
( 7 )
for
s i d e 0 and
s i d e 1 heads r e s p e c t i v e l y .
The s i d e
is
changed a l t e r n a t e l y by
a
d e p r e s s i o n
of
"4" key.
When s i d e 1
is
s e l e c t e d ,
SIDE 1
i n d i c a t o r
o f t h e SKA t u r n s on.
( 9 )
Confirm that b o t h r e a d
levels are
w i t h i n t h e f o l l o w i n g range.
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