Sharp CD-MPS900, Service Manual

Page: 46 / 104

CD-MPS900/CD-MPS99
3 – 5
2. CD MECHANISM SECTION
Perform steps 1, 2, 9, 10 and 11 of the disassembly method to remove
the CD mechanism.
2.1. Remove the pickup. (See Fig. 1)
1. Remove the stop washer (A1) x 1 pc., to remove the gear (A2) x 1
pc.
2. Remove the screws (A3) x 2 pcs., to remove the shaft (A4) x 1 pc.
3. Remove the pickup.
Note
After removing the connector for the optical pickup from the connector
wrap the conductive aluminium foil around the front end of connector
so as to protect the optical pickup from electrostatic damage.
Figure 1
3. CHANGER MECHANISM SECTION
Perform steps 1, 2, 9 and 10 of the disassembly method to remove the
CD changer mechanism.
3.1. How to remove CD Disc (See Fig. 2~5)
1. When CD is at play position (Figure 2), rotate reduction gear C
clock-wise as shown in Figure 3 Until disc tray is at stock position,
then rotate further to eject the disc tray so that CD can be removed
from the tray.
Figure 2
Figure 3
2. In another case, if CD mechanism is at tray No.1 play position and
to remove CD located in tray No.3, the procedure is as follows:
If the gear up down board is located at tray No.1 position, then
rotate gear clock-wise until it at stock position. Rotate reduction
gear D clockwise (Figure 4) to move the CD mechanism to tray
No.3 position.This is confirmed by checking the gear up down
board position by the marking as indicated on the main chassis as
shown in Figure 5.
Figure 4
Figure 5
Pickup Unit
(A3)x2
φ 2.6x6mm
CD Mechanism
Shaft
(A4)x1
Gear
(A2)x1
Stop Washer
(A1)x1
CD Disc
CD At play position.
Disc Tray
Guide Tray
CD Disc
CD At stock position.
Reduction gear C
Front Rear
Reduction gear D
Up Down
Mark 1
(DISC 1)
(DISC 2)
(DISC 3)
(DISC 4)
(DISC 5)
Gear up down board
Mark 3 Mark 5
Mark 2 Mark 4