Sharp XL-UH260 Service Manual - Page 43

Mechanical Description

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CHAPTER 3. MECHANICAL DESCRIPTION [1] REMOVING AND REINSTALLING THE MAIN PARTS XL-UH260 1. CD MECHANISM SECTION Perform steps 1, 2, 9, 10, 11 and 12 of the disassembly method to remove the CD mechanism. 1.1. 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. 2.1. 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. CD Disc Disc Tray Guide Tray 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. CD At play position. CD Disc (A3)x2 φ2.6x6mm CD Mechanism Shaft (A4)x1 Gear (A2)x1 Stop Washer (A1)x1 Pickup Unit Figure 1 CD At stalk position. Figure 2 Reduction gear C 2. CHANGER MECHANISM SECTION Perform steps 1, 2, 9 and 10 of the disassembly method to remove the CD changer mechanism. Front Rear 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. 3 - 1

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XL-UH260
3 – 1
CHAPTER 3.
MECHANICAL DESCRIPTION
[1] REMOVING AND REINSTALLING THE MAIN PARTS
1. CD MECHANISM SECTION
Perform steps 1, 2, 9, 10, 11 and 12 of the disassembly
method to remove the CD mechanism.
1.1. 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
2. CHANGER MECHANISM SECTION
Perform steps 1, 2, 9 and 10 of the disassembly method to
remove the CD changer mechanism.
2.1. 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.
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 stalk position.
Reduction gear C
Front
Rear