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Sharp MV-D2000 Laserdisc malfunction

I have a Sharp MV-D2000 player that I hadn't used in some time, although it has been connected to power. When I tried to use it just recently, it loaded the disc normally, spun up, made the little seeking noises, spun down, and then ejected the disc. :( (I did try a number of discs.) On just one occasion, just after power on, it did start to play, but the picture was torn up badly.

I removed the cover and watched it power up and then loaded a disc. The carriage seems to be moving ok, the disc spins up and then attempts to adjust speed, and the laser lens advances and retracts (up/down). I dusted the lenses off with a soft brush, although they did not appear to be dirty. No change in symptoms.

It will play audio CDs. I cleaned the spindle and the slipping "squeak" at startup, which it had always had, went away. But the same symptoms persist. :(

And ideas/suggestions?

Thanks for any help you can give.

Bill Vogel highcountryrider.at.bmi.net (Seattle)

Reply to
Bill
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Check the disk. It might be cracked. (Yes, it's possible for one side to be cracked and the other side okay.)

Reply to
William Sommerwerck

I did try several discs, no change in symptoms. :(

Reply to
Bill

One address: Kurtis Bahr ( snipped-for-privacy@comcast.net)

Cheers!

Reply to
c4urs11

If it plays audio discs, but not video ones, then the problem is almost certainly the laser. It's not always visible dust that causes the problem. The optical chamber below the lens is usually open to the air, and dust will settle in there on things like the critical angle mirror and pickup array. This severely compromises the performance of the laser. Sometimes, you can 'get it back' by carefully holding the lens to one side, and squirting some dry compressed air down the gap into the optical chamber.

Also, just because the lens didn't look dusty, that doesn't necessarily mean that it is optically clean. Many lasers that I see that are performing badly, have a sort of 'film' over the lens. This is only removed by gentle application of a cotton bud (Q-Tip) moistened in electronics grade IPA, and then the lens surface polished with a dry bud. This is very often the problem when the unit comes from a smoking household.

Arfa

Reply to
Arfa Daily

No smoking here, but I will give that a go (not smoking, cleaning the optics ;) ) before trying the email.

Thanks for the suggestions. :)

Reply to
Bill

I got busy with other stuff and had to put this on the back burner for a while. Your fix worked. :) I tried three disks and five sides, and they all play! :)

Thanks!

Reply to
Bill

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