Removing And Reinstalling The Main Parts - Sharp MD-E9000H Service Manual

REMOVING AND REINSTALLING THE MAIN PARTS

MD MECHANISM SECTION
Perform steps 1 to 4, 7 and 14 of the disassembly method to
remove the MD mechanism. (See page 12 and 13.)
Caution:
After pulling out the optical pickup connector, wrap the end of
the connector in conductive aluminium foil to prevent the
optical pickup from being destroyed by static electricity.
How to remove the magnetic head
(See Fig. 15-1)
1. Remove the screw (A1) x 1 pc.
Caution:
Take utmost care so that the magnetic head is not damaged
when it is mounted.
How to remove the MD loading motor PWB/MD
loading motor (See Fig. 15-2)
1. Remove the screw (B1) x 1 pc.
2. Remove the Hooks (B2) x 3 pcs., and remove the MD
loading PWB.
3. Remove the screws (B3) x 2 pcs., and remove the MD
loading motor.
How to remove the MD sled motor/optical pickup
(See Fig. 15-3)
1. Remove the screws (C1) x 3 pcs., and remove the MD sled
motor.
2. Remove the optical pickup.
Caution:
Be careful so that the gear is not damaged.
(The damaged gear emits noise during searching.)
How to remove the MD spindle motor
(See Fig. 15-4)
1. Remove the screws (D1) x 3 pcs., and remove the MD
spindle motor.
Caution:
Be careful so that the gear is not damaged.
(The damaged gear emits noise during searching.)
(D1)x3
ø1.4x3mm
Figure 15-4
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MD Spindle Motor
– 15 –
(A1)x1
ø1.7x5mm
Magnetic Head
MD Mechanism
Figure 15-1
MD Loading Motor
MD Loading
Motor PWB
(B2)x2
(B3)x2
ø1.7x3mm
Figure 15-2
(C1)x1 (C1)x2
ø1.4x5mm
ø1.4x4.5mm
Optical
Pickup
Figure 15-3
MD-E9000H
Optical Pickup
(B1)x1
ø1.7x6mm
(B2)x1
Washer
MD Sled Motor
MD Mechanism
Switch PWB