SHARP DV650
Instrukcja Serwisowa

DV-650 DV-650W
5. Disassembling the loading drive system (1) Remove the two M2 screws A . (2) Remove the tray pinion B . (3) Remove the relay gear 1 C together with the timing belt S D . (4) (5) (6) Remove relay gear 2 E . Remove the two M1.7 screws F . Remove the L motor G (with pulley) downward.

M2 A

M1.7 F L·Motor Pulley L·Motor G

Relay Relay gear1 gear2 C D E

Tray pinion B

Timing belt S

6. Disassembling the mechanism chassis from the moving chassis (1) Remove the insulator B (2 pcs. at the right side in diagram) parallel in the arrow direction. (At this time it is better to insert the fine head of screw driver at the ID side of insulator and to move in the arrow direction, which facilitates removal.) (2) Remove the mechanism chassis in the arrow direction, pulling upward aslant. At this time take care so that the insulator C (left side, 2 pcs.) is not damaged. (Do not put at once the mechanism chassis assembly.) Insulator C
Insulator B

Mechanism chassis P tight screw with M2.6 washer A

Insulator

C

Insulator

B

7. Replacing the pickup and the spindle motor Since the pickup optical axis and turntable inclination of DVD are adjusted with higher accuracy than of CD/MD, make a replacement as a mechanism service chassis ass'y (refer to Parts List). Mecha chassis Ass'y

8. Replacing the Sled Motor (1) At the rear side of chassis remove the two M1.7 screws A , and remove the motor angle B . (2) Remove the thrust holding screw C (for easier removing wipe off the thread lock). (3) Remove the two motor fitting screws M1.4 D , and replace the motor E . Motor is replaced in the state while the worm F is kept press-fitted to the output shaft. Note: When installing the motor, take care so that the worm does not damage the ANG B hole. (4) Screw in the thurust holding screw C , adjust the worm front end clearance to 0 to 0.1 mm, and apply screw lock.

Apply screw-lock.

Thurust holding screw Motor Angle

C B

M1.7 screw A M1.4 screw D

Sled motor E Worm F

6-3