MD-MS702MK
– 9 –
REMOVING AND REINSTALLING THE MAIN PARTS
Remove the mechanism according to the disassembling meth-
ods 1 to 4. (See Page 8.)
How to remove the spindle motor (See Fig. 9-1.)
1. Remove the solder joint (A1) x 1 of flexible PWB.
2. Remove the screws (A2) x 3 pcs. and remove the spindle
motor.
Figure 9-5
Flexible PWB
solder joint
(A1) x1
Spindle Motor
(A2)x3
ø1.4x2.8mm
MD Mechanism
Figure 9-1
(B1)x2
Remove the solder joint
Stop Washer
(B2)x1
Drive Gear
(B3)x1
Lift Motor
(B4)x1
ø1.4x2.2mm
Lead wire
Figure 9-2
Figure 9-3
(E1)x1
ø1.7x2.5mm
Shaft
Pickup Unit
How to remove the optical pickup unit
(See Fig. 9-5.)
1. Remove the screw (E1) x 1 pc.
How to remove the magnetic head
(See Fig. 9-4.)
1. Remove the screws (D1) x 2 pcs.
2. Remove the soldering joint (D2) x2 pcs.
Note:
Mount carefully so as not to damage the magnetic head.
(D1)x2
Ø1.4x1.8mm
Pickup Unit
Magnetic Head
Solder
joint
(D2)x2
Figure 9-4
How to remove the lift motor (See Fig. 9-2.)
1. Remove the solder joint (B1) x 2 of lift motor lead wire.
2. Remove the stop washer (B2) x 1 pc., and remove the drive
gear (B3) x 1 pc.
3. Remove the screw (B4) x 1pc., and remove the lift motor.
Note:
Take care so that the motor gear is not damaged.
(If the gear is damaged, noise is raised in search mode.)
How to remove the sled motor (See Fig. 9-3.)
1. Remove the solder joint (C1) x 2 of sled motor lead wire.
2. Remove the screws (C2) 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 raised in search mode.)
(C2)x2
ø1.4x1.2mm
Sled Motor
Washer x2
(C1)x2
Mecha Flexible PWB
solder joint
