Kenwood DP-1100 B Service Manual page 145

5 - 2 - 3 T r a y section m e c h a n i s m
(1) C o n s t r u c t i o n
Disc tray B (91) has a c o n e - s h a p e d sectional v i e w , as
s h o w n in Fig. M 1 1 , by w h i c h the signal pit surface on
the disc is p r o t e c t e d against d a m a g e . Disc tray B (91)
has f o u r c a t c h e s in its outer c i r c u m f e r e n c e . These cat­
c h e s are e n g a g e d w i t h the f o u r c a m g r o o v e s of disc tray
A ( 9 3 ) so t h a t the tray section m o v e s up a n d d o w n c o n ­
c u r r e n t l y w i t h r o t a t i o n .
Point of contact between tray B (91) and disc
Disc tray B (91)
Disc tray A (93)
Fig. M11 C o n s t r u c t i o n of tray section
Fig. M 1 2 T r a y operation
5. MECHANISM OPERATION
Tray A (93)
Eject switch (S004)
(2) T r a y operation
The tray o p e r a t e s as f o l l o w s w h e n the disc is l o a d e d . T h e
tray o p e r a t e s in reverse w h e n the disc is e j e c t e d .
a) C l a m p rack ( 8 2 ) is d r i v e n by gear E ( 6 8 ) . (Fig. M 7 )
b) W h e n c l a m p rack ( 8 2 ) m o v e s , link shaft (83) in this
rack also m o v e s . (Fig. M 9 )
c) Link shaft ( 8 3 ) p u s h e s link ( 8 2 3 ) .
d) Disc tray B ( 9 1 ) c o n n e c t e d w i t h link ( 8 2 3 ) b e g i n s t o
rotate.
e) Disc tray B ( 9 1 ) l o w e r s a l o n g the c a m g r o o v e s e c t i o n
of disc tray A ( 9 3 ) . (Fig. M 1 2 )
f) W h e n disc tray B ( 9 1 ) c o m e s t o the p o s i t i o n s h o w n in
Fig. M 1 3 , t h e c l o s e d tray d e t e c t i o n leaf s w i t c h (Fig.
M 1 0 ) w o r k s t o stop the loading m o t o r , at w h i c h t i m e
disc tray B (91) also s t o p s . T h e r e u p o n , t h e
o p e r a t i o n is c o m p l e t e . A t this t i m e , t h e p i c k u p is
parallel w i t h the n o t c h e d section of disc tray B ( 9 1 ) in
its sliding d i r e c t i o n .
Fig. M 1 3 T r a y operation
D P - 1 1 0 0 B II
tray
Tray A (93)
Eject switch (S004)
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