Sharp MD-MT80W(S), Руководство по обслуживанию

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MD-MT80W/90W/90/90C
REMOVING AND REINSTALLING THE MAIN PARTS
Remove the mechanism according to the disassembling meth-
ods 1 to 4. (See Page 14.)
How to reinstall the optical pickup
(See Fig. 15-5.)
1. Remove the screw (E1) x 1 pc., and remove the spring.
2. Slowly raise the optical pickup.
How to remove the magnetic head (See Fig. 15-4.)
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 remove the Lift motor (See Fig. 15-2.)
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. 15-3.)
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 2 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 spindle motor (See Fig. 15-1.)
1. Remove the solder joints (A1) x 4 of flexible PWB.
2. Remove the screws (A2) x 3 pcs., and remove the spindle
motor.
(B2) x1
ø1.4 x4.5mm
MD Mechanism
Remove the
Solder joints
(B1)x2
Lift Motor
(C3) x2
ø1.4 x1.2mm
Stop Washer
(C1)x1
Sled Motor
Drive Gear
(C2)x1
MD Mechanism
Mechanism Flexible
PWB Solder joints
(C4)x2
(D1) x2
ø1.4 x1.8mm
Solder joints
(D2)x2
Magnetic head
MD Mechanism
(E1) x1
ø1.7 x3mm
MD Mechanism
Optical Pickup Unit
Spring
(A2) x3
ø1.4 x2.5mm
Mechanism Flexible
PWB Solder joints
(A1)x4
Spindle
Motor
MD Mechanism
Figure 15-1
Figure 15-2
Figure 15-3
Figure 15-4
Figure 15-5