Kenwood DP-1100 B Service Manual page 115

3. OPERATION OF MAIN MICROPROCESSOR
3 - 1 - 4 Lead-in data reading s e c t i o n
Before lead-in data reading o p e r a t i o n , t h e p i c k u p is l o c a t e d at
the p o i n t at w h i c h s w i t c h SLT ( S 0 0 3 ) is t u r n e d OFF by tray
close o p e r a t i o n . This p o i n t refers t o the b e g i n n i n g of the disc
p r o g r a m area. T h e p i c k u p is m o v e d b a c k w a r d s a b o u t
3 m m f r o m this p o i n t t o the c e n t e r of the disc lead-in area by
b a c k w a r d kick o p e r a t i o n a n d lead-in data reading starts.
W h e n r e a d i n g c a n n o t be c o m p l e t e d even after a p p r o x . 2 0
sec, r e a d i n g is s t o p p e d a n d o p e r a t i o n shifts t o search o p e r a ­
tion of t h e first t u n e . In this c a s e , d y n a m i c search a n d c o m p u ­
2 ~ tation of v a r i o u s t i m e s p e r f o r m e d based o n TOC data b e c o m e
i m p o s s i b l e . Fig. 3 - 1 C s h o w s the o p e r a t i o n f l o w c h a r t .
Note: TOC... Table of Contents
Fig. 3 - 1 C Operation f l o w chart
DP-1100B II
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