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CD MECHANISM ADJUSTMENTS
i.
CD MECHANISM
(a) Replacement of the spindle motor
BOND &
● First, prepare thenewturntable (701-l )and new special
?!3
WASHER
--IT ABOUT
washer ( 701-4,701-5 ) for replacement.
The removed turntable will be deformed by the heat of
,8mm ‘B;i;+rBoND-fl
the soldering iron, and cannot be reused.
o
x
● Prepare dial-type calipers.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
The attached bonding material can be dissolved by using
a 60W soldering iron to heat the shaft at the upper part
of the turntable for about one minute.
The turntable can then be removed from the shaft by very
fy
carefully applying force upward at the center of the lower surface
@
701-1
of the turntable.
Remove the
two screws ( 701-2 ) and remove the spindle motor
(701-6).
Attach the special washer ( 701-4, 701-5 ) to the spindle mot
Clean the spindle motor’s shaft.
To clean them, use a soft cloth soaked in isopropyl alcohol.
Apply a small amount of a mixture of the “Three Bond 2001
and “201 5F” bonding materials to the motor’s shaft.
Install the turntable as shown in the figure.
Secure the turntable by pressing gently.
Be sure to wipe away (by using a piece of cloth, or similar
material) any bonding material coming out of the hole.
(b) Replacing the pick-up
(1)
(2)
(3)
(4)
(5)
Insert the pick-up rail ( 703 ) into the base chassis. ( 701-3 )
If the lath of the base chassis ( 701-3) are missing when
the pick-up rails have been installed, first wipe the
tips of the rail with alcohol.
After the pick-up has been replaced, apply grease
(FLOIL G-474B) to the m] sections.
The pick-up P.W. Board pattern is “shorted”, as shown
in the figure, so that the new pick-up will not be
susceptible to the effects of static.
Set the pattern to
“open” after the pick-up has been re~’-
,..
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I
1
a
.
SLED Mt3TOR “ “ -
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/--’0 ‘<-7’0
C722)
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8
(BE SURE AT THIS TIME,
NOT TO TOUCH ANY OTHER
PART.)
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