Removing And Reinstalling The Main Parts; Cd Mechanism Section - Sharp MD-R3H Service Manual

REMOVING AND REINSTALLING THE MAIN PARTS

CD MECHANISM SECTION

For the procedure to remove the CD mechanism from the
main unit, refer to Disassembling Procedure, Steps 1, 5, 11,
and 14.
How to Remove the optical pickup
(See Fig. 11-1.)
1. Remove the screws (A1)x 2 pcs., to remove shaft (A2)x 1
pc.
2. Remove stop washer (A3)x 1 pc., to remove gear (A4)x 1 pc.
3. Remove the optical pickup.
Note:
After disconnecting the optical pickup connector wrap the
front end of connector in conductive aluminum foil so as to
prevent damage to the optical pickup by static electricity.
How to Remove the tray motor/main cam motor
(with CD changer PWB)
(See Fig. 11-2.)
1. Remove the front cabinet, and remove the CD changer from
the rear cabinet. After that, disassemble as shown in the
figure.
2. Remove the belts (B1)x 2 pcs., from the motor side.
3. Remove the screws (B2)x 4 pc.
4. Remove the tray motor and main cam motor.
How to remove the CD disc
(When CD is in playback state)
(See Fig. 11-3.)
1. Remove the front cabinet.
2. Remove the CD changer from the rear cabinet.
3. Remove the CD disc as shown in the figure.
How to remove the CD disc
(When CD exists in the tray)
(See Fig. 11-4.)
1. Remove the front cabinet.
2. Remove the CD changer from the rear cabinet.
3. Remove the CD disc from the tray as shown in the figure.
Stop Washer
(A3) x1
Pickup
CD
Mechanism
(B2) x2
ø2.6 x4mm
Belt
(B1) x1
CD Changer PWB
Disc Holder
CD Disc
(When CD is in playback state.)
Disc Holder
CD Mechanism
CD Disc
Disc Tray 1
Disc Tray
(When CD exists in the tray.)
– 11 –
(A1) x2
ø2.6 x5mm
Shaft
(A2) x1
Gear
(A4) x1
Figure 11-1
(B2) x2
ø2.6 x4mm
Belt
(B1) x1
Main Cam
Motor
Tray Motor
Figure 11-2
Turn the main cam clockwise,
and raise the CD mechanism
and disc holder up to
uppermost position.
CD CHanger
Block
Figure 11-3
Turn the main cam clockwise,
and raise the CD mechanism
and disc holder up to
uppermost position.
CD Changer
Block
1 Press in turns the arrow
parts, starting with the
2
uppermost one, to
3
withdraw the disc trays
2
Disc Tray
3
Figure 11-4
MD-R3H