Sanyo DC-D9 Service Manual page 12

CD MECHANISM ADJUSTMENTS
c.
CD MECHANISM
(a) Replacement of the spindle motor
BONO J_
First, prepare thenewturntable (701-l )and new special
h
WASHER
-5 *~(J"~
washer ( 701-4,701-5 ) for replacement.
The removed turntable will be deformed by the heat of
,,mm '6~X>r,o.o-~
the soldering iron, and cannot be reused.
o
x
Prepare dial-type calipers.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(b)
(1)
(2)
(3)
(4)
(5)
The attached bonding material can be dissolved by using
%
7.5 :0.1 mm
a 60W soldering iron to heat the shaft at the upper part
of the turntable for about one minute.
T
The turntable can then be removed from the shaft by very
34.920.1 mm
I
carefully applying
force upward at the center of the lower surface
u._L
of the
turntable.
Remove the two screws ( 701-2 ) and remove the spindle motor
~f
(701-6).
Attach the special washer ( 701-4, 701-5 ) to the spindle motor.
Clean the spindle motor's shaft.
/0 @
–701-1
: I ?-b'"'-'
To
clean them, use a soft cloth soaked in isopropyl alcohol.
Apply a small amount of a mixture of the "Three Bond 2001
and "2015F" 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.
Replacing the pick-up
Insert the pick-up rail ( 703 ) into the base chassis. ( 701-3 )
If the Iach 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 -~
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 replaced.
I
@
@ I
I
(SHORT)
(OPEN )
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L
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-11-
(BE SURE AT THIS TIME,
NOT TO TOUCH ANY OTHER PART.)
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