.
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)
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 turnlable.
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 “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 b,onding 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
(3)
latch with any way driver from
( Ml-1 ).
If the pick-up is reconditioned
bottom of chassis
or replaced, be sure to wipe
MI-2+
r
I
-.
d
8-
Don’t ●ttached bondtng material
at the too of shaft
I
J
{CHASSIS)
u
I
Be sure to wipe away the
bonding matearial
CHUCK PULLEY
\
. .
/
w
- 17.15mm
—
*0.lmm
—
\
—=
- ‘x”
F
Ml-2
the rails clean and also apply a coating of FLOIL ( G-474B ) to
u
~M12.,, ,,,P .- . .,
‘ (SHAFT)! ‘-’
1
their entire circumference and entire length.
M1-5(SPINDLE
After replacement, install the shaft as before.
MOTOR SHAFT)
The pick-up P.C.Board pattern is
“shorted”, as shown in the
“m
(4)
(5)
figure , so that the new pick-up will not be susceptible to the
effects of static.
(6) Set the pattern to
“OfX?n” after the pick-up has been
replaced.
SHORT
M6
Ml’
1“
m
.-.
......