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CD PLAYER ADJUSTMENTS .... -
a. DISASSEMBLY OF THE CD PLAYER MECHANISM
(a) Replacement of the spindle motor
.First, prepare the new turntable (CM3-2 )and new special
washer (CM3-4 )for replacement.
The removed turntable will be deformed by the heat of the
soldering iron, and cannot be reused.
.Prepare dial type calipers.
(1) The attached bonding material can be dissolved by using a
60W soldering iron to heat the shaft at the top part of the
turntable (CM3-2 )for about one minute.
(2) The turntable can then be removed from the shaft by very
carefully applying force upward at the center of the lower
surface of the turntable.
(3) Remove the two screws (CM3-3 )and remove the spindle
motor (CM3-5 ).
(4) Attach the special washer (CM3-4 )to the spindle motor.
(5) Apply asmall amount of amixture of the “Th-ree Bond 2001”
and “201 5F” bonding materials to the motor’s shaft.
(6) Install the turntable as shown in the figure.
(7) Secure the turntable by pressing gently.
JBe sure to wipe away (by using apiece of cloth, or similar
material )any bonding material coming out of the hole.
(b),Replacement and lubricationof the pick-up
(1) Before’ replacement of the pick-up, be sure to carefully read
the section regarding the pick-up when the unit is moved or
transported.
(2) Remove the two pick-up rail (CM12 )with care fixing the two
latch with any way driver from bottom of chassis
(CM3-1 ).
(3) If the pick-up is reconditioned or replaced, be sure to wipe
In
J
Don’t attached bonding material
at the top of shaft.
i
8-10mm
Be sure to wipeayw
Ihe bonding malerlal.
\OK/c. PULLEY
to their entire circumference and entire length.
(4) After replacement, install the shaft as before.
(5) The pick-up P.C.Board pattern is “shorted”,as shown in
the figure ,so that the new pick-up will not be susceptible
to the effects of static.
(6) Set the pattern to “open”after the pick-up has been
replaced.
the rails clean and also apply acoating of FLOIL (G-474B ),- -
OPEN
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CM8
