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ADJUSTMENT
Tilt Adjustment of Disc Motor
After replacing parts in the Traverse Unit, it is necessary
to adjust the Tilt Adjustment of Disc Motor from bottom
side.
Please follow the following procedures for adjusting.
When the following parts have been replaced, disc
motor adjustment will be required.
1. The disc motor.
2. The laser pick-up.
3. The traverse motor unit.
4. The parts around the laser pick-up (rail, etc.).
Preparation before adjustment (Installation of the
traverse unit)
Be sure to make both your body and the work
table grounded.
a. Connect the power plug and then turn on the power
switch.
b. When the clamp has moved up, turn off the power
switch and disconnect the power plug.
c. Remove the Tray referring to "Removal of Tray" on
TE
L 13942296513
page 7.
d. Remove the Clamp Assembly.
e. Remove the Traverse Unit.
(Take the protection measure against static electricity
for the Laser Diode except when replacing the Laser
Pick-up.)
f. Place the Adjusting Box on the CM-200 unit (to
support the traverse unit). (Fig. 15)
g. After replacing the parts, place the Traverse Unit on
the Adjusting Box. (Fig. 15)
Caution (removal of the measure to protect the laser diode
against an electrostatic breakdown)
Unsolder the Land located at the center of the flexible
cable of the laser pickup for the open circuit.
h. Connect the Traverse Unit and the Main P.C.B. with
an extension cable. (Fig. 15)
Caution
When connecting the extension cable, be careful not to
touch the terminal of the cable. (The laser pickup is
easy to be damaged.)
i. Connect the power plug and turn on the power
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Caution:
1. Optical adjustment inside the laser pick-up is not
possible.
2. Prior to adjusting, take countermeasures to prevent
damage from static electricity.
Extension cable
Name
1.
35-pin flat cable for servicing
2.
Stabilizer for servicing
Adjusting Box
Q Q
3
6 7
1 3
1 5
150
Clamp the disc by using the stabilizer
Adjusting Box
co
.
DVD-C900
9 4
2 8
Part No.
AAX08660
AAX07720
0 5
8
2 9
9 4
2 8
55
120
Unit : mm
Extension cable
m
9 9
9 9
Fig. 15
12
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