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DISK D R IV E A S S E M B L Y
T h e d i s k d r i v e a s s e m b l y can be i n s t a l l e d in a s t a n d a r d 1 9 - i n c h RETM A rack; two
h o r i z o n t a l l y , o r f o u r v e r t i c a l l y .
top lo a d in g a p p l i c a t i o n s .
The d i s k d r i v e c o m p r i s e s t h r e e m a j o r a s s e m b l i e s -
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P r i n t e d C i r c u i t B o a r d ( E l e c t r o n i c s )
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M a i n D e c k A s s e m b l y
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C a r r i e r A s s e m b l y
P r i n t e d C i r c u i t B o a r d
A l l e l e c t r o n i c c i r c u i t r y r e q u i r e d to c o n v e r t the d i g i t a l data input and output to
and f r o m a n a l o g data f o r the r e a d / w r i t e head and head p o s i t i o n i n g in f o r m a t i o n is
c o n t a in e d on on e c i r c u i t b o a r d .
L o g i c is T T L w ith s e l e c t e d d i s c r e t e and IC C o m p o n e n t s .
the f o l l o w i n g fu nc tio ns :
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Read Chain
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W r i t e Chain
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R e a d y G e n e r a t i o n
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Index D e t e c t i o n
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S t e p p e r M o t o r C on tr ol
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I n t e r f a c e D r i v e r s and R e c e i v e r s
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W r i t e - P r o t e c t (Option)
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I n d e x / S e c t o r S e p a r a t o r (Option)
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F M Dat a S e p a r a t o r (Option)
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B i n a r y S e l e c t (Option)
Th e d r i v e can a l s o be m o u n te d in a t a b l e - t o p f or
I n t e r f a c e and DC c o n n e c t o r s can be p ro v id ed .
1-8
The e l e c t r o n i c s p e r f o r m
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