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Spindle motor
drive coil P.C.B.
How to remove the traverse unit ass'y
[Optical deck unit]
. Remove the front panel.
. Remove the 4 setscrews [Fig. 19 : @ ~ @ ] of traverse
unit. Screws @} ~ @ are red.
. Pull out the 8 connectors (CN405 ~ CN409, CN411,
CN412, CN501)
connected
from traverse unit to main
P.C.B.
. Turn over the traverse unit and remove the nuts [Fig.
20: @
~
@ ], then the traverse unit ass'y can be
removed,
Note that the front and rear springs are different in color.
How
to remove
the optical servo P.C.B. and
spindle motor drive coil P.C.B.
. Remove the 4 setscrews
[Fig. 19 : @ ~ @ } of traverse
unit.
. Turn
over
the
traverse
unit
and
remove
the
optical
servo P.C.B. setscrew [Fig. 21: @].
. Release the claw from the optical servo P.C.B.
Then the
optical servo P.C.B. can be removed.
. Remove the 2 setscrews
[Fig. 21: @ , @ ] of spindle
motor drive coil P.C.B.
Then the spindle motor drive coil P.C.B. can be removed.
How to remove the limit switch
[Rest and end detecting switch]
. Remove the optical servo P.C.B.
. Remove the 2 setscrews
[Fig.21:
@ , @]
of limit
switch, and unsolder the limit switch.
After
fitting the
limit
switch
[rest: disc's innermost
position detection]
again, it is necessary to re-adjust the
position.
Limit switch
—21—
SL-P
Spring
Optical servo
How to remove the loading motor
. Remove the optical servo P.C.B.
. Remove the belt from the loading motor pulley.
. Remove the 2 setscrews [Fig. 21: @, @] of loading
motor, and unsolder the motor leads.
Connect the white lead to the (+) terminal of motor, and
gray lead to (—) terminal.
(The (—) terminal is indicated
by arrow on the motor.)
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