Sony DVP S530D Bedienungsanleitung PDF herunterladen (Seite 39)

Power ON Mechanical Sequence – No Disc

Operation Purpose

1. Power On button is pressed. IC202 retrieves start up pro

ram from Flash ROM IC205. After the

ICs are checked for basic communications

IC202 instructs Servo

IC701 to start the mechanical se

uence. The servo parameters are

stored in EEProm IC201.

2. Disc tra

is closed

(

if open

)

and placed into a

chucked position.

Clamps a disc on the spindle motor platform.

3. Sled moves the optical assembly to home position. Sled starting point.

4. Tilt Motor resets laser platform to mid position. Presets the laser beam perpendicular to the disc for max RF.

5. Sled moves outward quickly, then slows down. Optical assembly is moving under the disc’s information area.

6. Laser is turned ON momentaril

durin

focus

search.

Looks for a disc. Reflected light identifies a disc.

7. Focus search one time.

Optical assembl

lens moves up then down

lookin

for the disc’s

information layer.

8. Sled increases speed moving further outward. Sled slows down in a second attempt to locate a disc.

9. Sled slows down

10. Laser is turned ON momentaril

durin

focus

search.

Looks for a disc using reflected light.

11. Focus search. Looks for the disc’s information laye.

12. Sled a

ain moves

uickl

outward then slows

followed by laser and focus search.

Third attempt to locate a disc.

13. Sled moves inward to home and stops. Disc check at home position.

14. Laser is turned ON momentarily. Final attempt to identify a disc.

15. Focus search.

16. Spindle motor rotates. (laser is off)

17. Display reads NO DISC User feedback

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