One more sorry

Okay then, never mind 😢

Thanks for looking!

Thank you Søren, excellent writeup now my CD50 is as new after 10+ years in the closet.
A note on the turntable height, my service manual says adjust to 4.9 +/- 0.05 mm.
That is too much in my player, used a 4,5 mm drill bit for spacing with success.
The belt dimension is 43.5 x 1.40 mm square.

chartz wrote:

it was all down to setting the brass piece over the big wheel. Too high and the disc won't be clamped, too low and the puck will rub on its holder!

Hi chartz,

Could you please elaborate on that brass piece to adjust ? I'm experiencing the same problem and would like to know how to fix it.

Thank you ! 

Hi,

It is the brass piece that sits on the cam guide, you can’t miss it.

Thank you for your prompt reply!

Is it the big nut on the wheel that drives the drawer ?, if so I'm unfortunate because it seems it is definitely stuck.

But I've just seen in the service manual there is an adjustment for turntable height, do you think it could be a track to follow ? 

I've not touched it, but someone undoubtedly has.
The belt was changed because there is one inside (looking good) and also the remains of the previous which I've cleaned.

I've cleaned the new belt as much as i could but i'm gonna check it dont slip though.

Could you roughly explain how that bolt connect to the clamping mechanism? I'de like to understand the path to check it all.

I know that when the cam do a full revolution it actuate a lever that elevate the black cup, rising the disc from its cradle and pushing it against the motor shaft. I now it goes to that step. But after that, I believe the disc should stay (magically, as Søren said) stuc to the top brass piece and thats where it dont.
The disc comme down with the black holder and the motor spins in the air.

Also the big nut can not allow height adjustment of the cam since his height is blocked by the little arrow shaped piece that pushes the contacts when the cam rotate.

Just trying to understand how it works…

I believe the unit as been serviced by someone with not much caution. But nothing that can be undone so far.

By the way, my unit looks more like yours than Søren's: no "garage" and the little additional PCB.

Thank for our help. 

Hi Soren!

New cd50 owner here. Got it and have discovered absolutely destroyed gears for the laser pick-up positioning. The worm gear and both tooth gears are sort of deteeriorated partially, I've never seen it before. Looks like the grease has caused some terrible reaction.
The rest of the player is working, I've managed to make it play a bit by positioning the laser manually, so it's restoreable, except for the three plastic gears.

If you have this gears - I'll be happy to offer you some exchange, like I have some tubes or other parts :)

Thanks!
Michael

ps: I was trying to attach the picture, but can not figure out how.

pps: uploaded to Media: https://archivedforum2.beoworld.org/media/p/321479.aspx

Hi Misho

I have a mostly intact rough condition CD50 you can have... especially if you are local to Chicago. It originally had a dead door opening IC, which I replaced so now it loads and plays, sort of,  but needs further repairs. I believe the gear set is still good.

Shipping would probably cost a fair bit as these things are heavy!