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i
.
CD PLAYER ADJUSTMENTS
.+,.. .
a.
DISASSEMBLYOFTHE
CD PLAYER MECHANISM
(a)
Replacement
of the spindle
motor
First, prepare the new turntable ( Ml -2 ) and new special
washer ( Ml -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)
(2)
(3)
(4)
(5)
(6)
(7)
I
(b)
(1)
(2)
(3)
(4)
(5)
(6)
The attached
bonding
material
can be dissolved
by using a
60W soldering
iron to heat the shaft at the top part of the
turntable
( Ml-2
) for about one minute.
The turntable
can then be removed
from the shafl by very
carefully
applying
force upward at the center of the lower
surface of the turntable.
Remove the two screws ( Ml-3
) and remove the spindle
motor ( Ml-5
).
Attach the special washer ( Ml-4
) to the spindle motor.
Apply a small amount of a mixture of the "Th~ee 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.
Replacement
and
lubrication
of the
pick-up
Before replacement
of the pick-up,
be
sure to carefully
read
the section
regarding
the pick-up
when the unit is
moved or
transported.
Remove the two pick-up rail ( Ml 2 ) with care fixing the two
latch with any way driver from bottom of chassis
( Ml-1
).
If the pick-up is reconditioned
or replaced,
be
sure to wipe
the rails clean
and also apply
a coating
of FLOIL ( G-474B ) to
their entire circumference
and entire length.
After replacement,
install the shaft as before.
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.
Set the pattern to "open"
after the pick-up has been
replaced,
SHORT
-5-
1
[3
"e
~-. .
-
—
Ml-5
Don't
attached
bonding
material
at the top of shaft.
Bonding
material
8-'""/"++
Ml-4
(SPECIAL WASHER)
""
Ml-1
(CHASSIS)
Be
sure to wipe away the
bonding
matearial
\
CHUCK
PULLEY
I
w -——
17. ?5mm
.-
* O.lmm
—
L
—-
M12
I
I
(S=FT)
\
M1-5(SPINDLE
II
'*-i---i?
MOTOR SHAFT)
M6
M12
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