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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 ( 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)
(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 lower part of the
turntable
( Ml-2
) for about one minute.
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.
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 "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.
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
their entire circumference
and entire length.
(
G-474B ) to
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 "OPs?tI" afler the pick-up has been
replaced.
SHORT
OPEN
f!9-
4
-d"
".
.
.
Ml-5
Don't
attached
bonding
material
at the top
of shaft
b
@ending
material
I
~p~
—.——.
MI-4
8-I&m
(-CM
wASHER)
——
Ml-1
(CHASSIS)
Be sure to wipe away the
bonding mateariat
CHUCK PULLEY
,..
,.
II
MOTOR SHAFT)
v'
I
**
4—
I
M12
-3-
,,
...
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