Sharp CD-K40X

The turntablepositionis changed by the movementto rotate
the turntable clockwise by 120 degrees (PIN No.42: DISC
CHG MTR+ =[H]),or counterclockwiseby 120degrees
No.41: DISC CHG MTR - = [H]).
The present DISC address is memorized according to the
degreesby whichthe positionischangedfromthe initialstate
(DISC address
[1 D.
In the ternary notation,counting is as follows:
+1 in case of clockwise rotation
-1 in case of counterclockwise rotation
(Clockwise:1
--7 2 --7 3 ~ 1 ~ 2
(Counterclockwise: 1 ~ 3 ~ 2 ~ 1 ~ 3
a)Whenchangingtheturntableposition,the rotatingdirection
is based on the Table 9 below.
1
2
3
1 /
Counterclockwire
Clockwire
2
Clockwire
/
Counterclockwire
3
Counterclockwire
Clockwire
/
t
DISC
address
moved
b) Output of microcomputer in case of
clockwise/
counterclockwise rotation
~ Present DISC address
PIN NO.
fUNCTION
CLOCKWIRE COUNTERCLOCKWIRE
42 DISC CHG MTR + H L
41
DISC CHG MiR - L H
When the turntable is stopped normally,
DISCCHGMTR + = [l]
DISC CHG MTR- (41 = [L]
Table 9
-9-