Sharp MD-MT270HS/BK, Руководство по обслуживанию

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MD-MT270H
REMOVING AND REINSTALLING THE MAIN PARTS
Remove the mechanism according to the disassembling meth-
ods 1 to 4. (See Page 5.)
How to reinstall the optical pickup
(See Fig. 6-4.)
1. Remove the screw (E1) x 1 pc., and remove the spring.
2. Remove the screw (E2) x 1 pc., and remove the shaft guide.
3. Slowly raise the optical pickup.
How to remove the magnetic head (See Fig. 6-1.)
1. Remove the solder joints (A1) x 2 of the head flexible plate.
2. Remove the screws (A2) x 2 pcs. of the magnetic head.
Note:
Mount carefully so as not to damage the magnetic head.
How to remove the Lift motor (See Fig. 6-4.)
1. Remove the solder joints (D1) x 2 of the lift motor lead wire.
2. Remove the screw (D2) 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. 6-3.)
1. Remove the stop washer (C1) x 1 pc., and remove the drive
gear (C2) x 1 pc.
2. Remove the solder joints (C3) x 3 of flexible PWB.
3. Remove the screws (C4) x 2 pcs., 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 spindle motor (See Fig. 6-2.)
1. Remove the solder joints (B1) x 4 of flexible PWB.
2. Remove the screws (B2) x 3 pcs., and remove the spindle
motor.
MD Mechanism
Spindle
Motor
Mechanism Flexible
PWB Solder joints
(B1)x4
(B2) x3
ø1.4 x1.8mm
MD Mechanism
Mechanism Flexible
PWB Solder joints
(C3)x3
(C4) x2
ø1.4 x1.2mm
Stop Washer
(C1)x1
Drive Gear
(C2)x1
Sled Motor
Mechanism Flexible
PWB Solder joints
(D1)x2
(D2) x1
ø1.4 x3.3mm
Lift Motor
Spring
Optical Pickup Unit
(E1) x1
ø1.4 x1.2mm
(E2) x1
ø1.4 x2.5mm
Shaft Guide
(A2) x2
ø1.4 x1.8mm
MD Mechanism
Magnetic head
Mechanism Flexible
PWB Solder joints
(A1)x2
Figure 6-1
Figure 6-2
Figure 6-3
Figure 6-4