REMOVING AND REINSTALLING THE MAIN PARTS
Remove the mechanism according to the disassembling methods 1 to 4. (See Page 10.)
How to remove the spindle motor (See Fig. 11-1.)
1.Remove the solder joints (A1) x 4 of flexible PWB.
2.Remove the screws (A2) x 3 pcs., and remove the spindle motor.
How to remove the lift motor (See Fig. 11-2.)
1.Remove the solder joints (B1) x 2 of lift motor lead wire.
2.Remove the screw (B2) x 1 pc., and remove the lift motor.
Note:
Take care so that the motor gear is not damaged. (If the gear is damaged, noise is caused.)
How to remove the sled motor (See Fig. 11-3.)
1.Remove the stop washer (C1) x 1 pc., and remove the drive gear (C2) x 1 pc.
2.Remove the screws (C3) x 2 pcs.
3.Remove the solder joints (C4) x 3 of flexible PWB., and
remove the sled motor.
Note:
Take care so that the motor gear is not damaged. (If the gear is damaged, noise is caused.)
How to remove the magnetic head (See Fig. 11-4.)
1. Remove the screws (D1) x 2 pcs. of the magnetic head and the optical pickup, and remove the solder joints (D2) x 2 pcs. of the head flexible plate.
Note:
Mount carefully so as not to damage the magnetic head.
How to reinstall the optical pickup (See Fig. 11-4.)
1.Remove the screw (E1) x 1 pc., and remove the grip spring.
2.Remove the screw (E2) x 1 pc. to remove the thrust spring, and remove the drive screw and the optical pickup from MD mechanism.
Then, remove the drive screw from the optical pickup.
(E1) x 1 |
|
|
ø 1.4 x 1.8 mm |
|
|
Grip Spring | (D1) x 2 |
|
Drive |
| |
ø1.4 x 1.8 mm |
| |
Screw |
| |
|
| |
| (D2)x2 | (E2) x 1 |
| Solder Joints | |
| ø 1.7 x 3.5 mm | |
Optical Pickup |
|
|
Magnetic |
| Thrust |
head |
| |
|
| Spring |
MD Mechanism
Figure
(A2) x 3
ø 1.4 x 3 mm
Spindle Motor
Solder joints (A1) x 4
MD Mechanism
Figure
(B2) x 1
ø 1.4 x 3.8 mm
Lift Motor
Solder Joints (B1) x 2
MD Mechanism
Figure
(C3) x 2 
ø1.4 x 1.2 mm
Sled Motor
(C1) x 1
(C2) x 1
(C4) x 3
Solder Joints
MD Mechanism
Figure
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