Removing And Reinstalling The Main Parts - Sharp MD-SR60 Service Manual

MD-SR60

REMOVING AND REINSTALLING THE MAIN PARTS

Remove the mechanism according to the disassembling meth-
ods 1 to 4. (See Page 9.)
How to remove the spindle motor (See Fig. 10-1.)
1. Remove the solder joint (A1) x 1 of flexible PWB.
2. Remove the screws (A2) x 3 pcs., and remove the spindle
motor.
How to remove the Lift motor (See Fig. 10-2.)
1. Remove the solder joints (B1) x 2 of head up/down motor
lead wire.
2. Remove the screw (B2) x 1 pc., and remove the flexible
PWB.
3. Remove the screw (B3) x 1 pc., and remove the head up/
down 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. 10-3.)
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., and remove the sled
motor.
3. Remove the solder joints (C4) x 2 of flexible PWB.
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. 10-4.)
1. Remove the screws (D1) x 4 which connects the magnetic
head to the head relay flexible PWB, remove the spring
washers (D2) x 2 and remove the soldering joints (D3) x 2.
Note:
Mount carefully so as not to damage the magnetic head.
How to reinstall the optical pickup unit
(See Fig. 10-5.)
1. Remove the screw (E1) x 1 pc.
2. Slowly raise the optical pickup.
Guide Shaft
Optical Pickup Unit
Figure 10-5
(E1)x1
ø1.7x3mm
Thrust Plate Spring
MD Mechanism
– 10 –
(A2)x3
ø1.4x2.8mm
Spindle
Mechanism Flexible
Motor
PWB Solder joint
(A1)x1
MD Mechanism
Figure 10-1
(B3)x1
ø1.4x5.5mm
Remove the
Solder joint
(B1)x2
Lift Motor
Figure 10-2
Stop Washer
(C1)x1
Driver Gear
(C2)x1
Figure 10-3
Magnetic Head
(D1)x1
ø1.4x1.5mm
Figure 10-4
(B2)x1
ø1.4x1.5mm
MD Mechanism
(C3)x2
ø1.4x1.2mm
Sled Motor
Mechanism Flexible
PWB Solder joint
(C4)x2
MD Mechanism
(D1)x2
ø1.4x2.2mm
(D2)x2
Spring joint
Solder joint
(D3)x2
(D1)x1
ø1.2x1.6mm
MD Mechanism