Sign in   |  Join   |  Help

Beogram CD 50, Mexico

rated by 0 users
This post has 190 Replies | 7 Followers

twomartinis
Not Ranked
Posts 2
OFFLINE
Bronze Member

Hi everyone,

Bumping this thread as the drive belt in my CD-50 is on its last legs. Can anyone offer proper belt dimensions? Preferably in standard naming SCY##, SCX## etc. Mine is woefully stretched and hardened or I would put the calipers on it. https://www.elliottelectronicsupply.com/square-drive-belts.html

I have fashioned a makeshift tensioner out of some teflon wire to keep her in service until I can get a new belt. The cam follower/CD spindle lift at the end is soooo slow. A re-lube is in order too, running the sled in and out feels really tight & sticky. What is a good white grease to use?

Søren Mexico
Top 10 Contributor
Mexico City
Posts 6,387
OFFLINE
Bronze Member

Welcome to the forum, member Dillen ( Martin) on this forum can provide the correct belts, I have been using a silicone grease for my units

Collecting Vintage B&O is not a hobby, its a lifestyle.

Dillen
Top 10 Contributor
Copenhagen / Denmark
Posts 12,331
OFFLINE
Founder
Moderator
Dillen replied on Tue, Apr 2 2019 7:20 AM

twomartinis:

What is a good white grease to use?

White lithium grease.
As the original.

Martin

twomartinis
Not Ranked
Posts 2
OFFLINE
Bronze Member

Thanks, anyone know the drive belt dimensions? Cross section and inside circumference? I suppose I could figure it out (or at least get close); but I'd rather have the correct information...

https://www.elliottelectronicsupply.com/square-drive-belts.html

chartz
Top 25 Contributor
Burgundy, France
Posts 3,976
OFFLINE
Gold Member
chartz replied on Tue, Nov 19 2019 1:44 PM

Hi everyone,

Would one of you mates have a spare Beogram CD50 IR module, sans CD controler?

If so, please send me a PM.

 

Thanks! Smile

Jacques

Søren Mexico
Top 10 Contributor
Mexico City
Posts 6,387
OFFLINE
Bronze Member

Hi Jacques, I have 2 CD 50 not working, send me a pic of the IR module and I will open them to look for it. if one of them have it, I can send it with my son to Copenhagen in January, and he to you from there

Collecting Vintage B&O is not a hobby, its a lifestyle.

chartz
Top 25 Contributor
Burgundy, France
Posts 3,976
OFFLINE
Gold Member
chartz replied on Tue, Nov 19 2019 7:02 PM
Hi Soren, very nice of you my friend.

The module is right behind the fascia, let me find a pic.

Edit: here it is!

The module with the tin box and the brown wire.

Jacques

Søren Mexico
Top 10 Contributor
Mexico City
Posts 6,387
OFFLINE
Bronze Member

Will get to it tomorrow

Collecting Vintage B&O is not a hobby, its a lifestyle.

chartz
Top 25 Contributor
Burgundy, France
Posts 3,976
OFFLINE
Gold Member
chartz replied on Tue, Nov 19 2019 8:02 PM
Cheers! ¡ Gracias ! Tak!

Jacques

Søren Mexico
Top 10 Contributor
Mexico City
Posts 6,387
OFFLINE
Bronze Member

Sorry Jacques

 


Collecting Vintage B&O is not a hobby, its a lifestyle.

Søren Mexico
Top 10 Contributor
Mexico City
Posts 6,387
OFFLINE
Bronze Member

One more sorry

 


Collecting Vintage B&O is not a hobby, its a lifestyle.

chartz
Top 25 Contributor
Burgundy, France
Posts 3,976
OFFLINE
Gold Member
chartz replied on Wed, Nov 20 2019 8:48 PM

Okay then, never mind 😢

Thanks for looking!

Jacques

evald
Not Ranked
Posts 1
OFFLINE
Bronze Member
evald replied on Fri, Nov 29 2019 2:45 PM

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.

matador43
Top 75 Contributor
Posts 1,119
OFFLINE
Bronze Member
matador43 replied on Sat, Jun 13 2020 12:00 PM

chartz:

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 ! 

chartz
Top 25 Contributor
Burgundy, France
Posts 3,976
OFFLINE
Gold Member
chartz replied on Sat, Jun 13 2020 12:06 PM

Hi,

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

Jacques

matador43
Top 75 Contributor
Posts 1,119
OFFLINE
Bronze Member
matador43 replied on Sat, Jun 13 2020 12:17 PM

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 ? 

chartz
Top 25 Contributor
Burgundy, France
Posts 3,976
OFFLINE
Gold Member
chartz replied on Sat, Jun 13 2020 12:24 PM
Yes that’s the one. Have you touched it? You only do when you replace the belts... have you?

This is important and a slippery belt could well be the source of your issue.

Now about the platter – if you haven’t touched it, then no, it can’t be wrongly set.

Do you know the player’s history? Has it been tempered with?

You only set it back when you have done the motor’s lubrication.

Jacques

matador43
Top 75 Contributor
Posts 1,119
OFFLINE
Bronze Member
matador43 replied on Sat, Jun 13 2020 12:49 PM

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. 

Misho
Not Ranked
Posts 4
OFFLINE
Bronze Member
Misho replied on Wed, Oct 28 2020 5:51 PM

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://forum.beoworld.org/media/p/321479.aspx

Keri
Not Ranked
Chicago!
Posts 33
OFFLINE
Bronze Member
Keri replied on Wed, Oct 28 2020 10:03 PM

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!

 

 

¡No entiendo Español!

NEIN! Nicht Versteh!

Я немного говорю по-русскии но не очень хорошо... и

I'm not very good at English either! Maybe someday I'll find a language I'm good at?

Misho
Not Ranked
Posts 4
OFFLINE
Bronze Member
Misho replied on Thu, Oct 29 2020 7:21 AM

Hi Keri!

Thanks a lot for reply! I'm living in Europe, so shipping of the whole will be unpractical, but if you can ship only the positioning motor assembly, it's easy to remove - only two screws, and shipping in a packet will not cost an arm and leg...
I will gladly cover the shipping expenses, and I will owe you!

Michael

 

 

Keri:

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!

 

 

 

Søren Mexico
Top 10 Contributor
Mexico City
Posts 6,387
OFFLINE
Bronze Member

I have a CD50 I bought for spares, and you can have the motor assembly but shipping from Mexico is insecure or expensive, because of the virus my next trip to Denmark wil be in May next year, if you dont find the assembly in Europe and you can wait until May, just tell me and I will bring it with me

Collecting Vintage B&O is not a hobby, its a lifestyle.

Misho
Not Ranked
Posts 4
OFFLINE
Bronze Member
Misho replied on Thu, Oct 29 2020 5:19 PM

Søren Mexico:

I have a CD50 I bought for spares, and you can have the motor assembly but shipping from Mexico is insecure or expensive, because of the virus my next trip to Denmark wil be in May next year, if you dont find the assembly in Europe and you can wait until May, just tell me and I will bring it with me

 

Dear Soren, there is for sure no hurry at all, and if I will not find anything by May - I will be happy to get your parts!

Shipping inside EU is much less expensive, and waaaaay more secure for sure, those terrible times, looks like EU going for lock-down again.

Thanks!
Misho

Keri
Not Ranked
Chicago!
Posts 33
OFFLINE
Bronze Member
Keri replied on Thu, Oct 29 2020 10:56 PM

OK, I will get it stripped down over the weekend

 

Keri

¡No entiendo Español!

NEIN! Nicht Versteh!

Я немного говорю по-русскии но не очень хорошо... и

I'm not very good at English either! Maybe someday I'll find a language I'm good at?

Søren Mexico
Top 10 Contributor
Mexico City
Posts 6,387
OFFLINE
Bronze Member

Misho:

Dear Soren, there is for sure no hurry at all, and if I will not find anything by May - I will be happy to get your parts!

Shipping inside EU is much less expensive, and waaaaay more secure for sure, those terrible times, looks like EU going for lock-down again.

Thanks!
Misho

Just contact me if you dont find before May, and I will bring the assembly with me, have you tried Dillen on the forum ?

 

Collecting Vintage B&O is not a hobby, its a lifestyle.

Redline
Not Ranked
Posts 1
OFFLINE
Bronze Member
Redline replied on Sun, Jan 10 2021 1:38 PM

Hi. I've read through this thread which is very interesting. Did anyone get to the bottom of the idiosyncratic nature of the CD50? Mine opens/closes spins and plays eventually. After opening closing or putting in standby. Some discs are better than others which I don't get. Some won't play without jittering like crazy. They keep jumping backwards like vinyl 😁. Some play all the way from 0.00 without fault. 🤔. My machine has not been apart. I'm loathed to touch it and make it worse or same after pulling apart. Any thoughts? 

Thanks

Greg

idiotgap
Not Ranked
South East UK
Posts 2
OFFLINE
Bronze Member
idiotgap replied on Tue, Jan 19 2021 2:06 PM

Hi all!
I seem to have caught a time-consuming disease. I picked up a job-lot of cheap un-specified B&O kit for fun, no prior experience but in trying to work through the pieces and get them working again, I've found an enjoyable past-time. It's been fun learning and I now have a working Beocom 2 and Beocom 6000 in my house, I'm waiting on rubber to re-foam a pair of CX-50 speakers and a super looking beotalk 1100 to look at (it works fine, but I have no use for it). I also got an earset 2 and beolink pc2 to look at one day, but not sure they are worthwhile.

I'm looking at my CD-50 right now, it's in ok shape and I think we can make this work. Problems are:-

1. I'm struggling getting reliable drawer movement and disk clamping, I just can't find the right position for the brass nut on the cam spindle which allows me to have both. I think I will try to replace the belt and see if that helps me get that working.

2. When the disk clamps correctly and it reads a disk, early tracks start playing at 30 to 60 seconds in. I gather for this I need to clean the motor, so that's on my list to do.

3. I'm missing the metal pieces and screws which hold the case together, I'm not sure how to go about replacing those. It probably doesn't matter if this forms part of a stack, but it's a bit irritating. Are these things available anywhere?

idiotgap
Not Ranked
South East UK
Posts 2
OFFLINE
Bronze Member
idiotgap replied on Tue, Jan 19 2021 2:06 PM

double post

69er
Not Ranked
Posts 27
OFFLINE
Bronze Member
69er replied on Sat, Jan 23 2021 7:01 PM

Hi everybody,

my name is Marin, nick is 69er.

i am new to the B&O world and have currently a post open regarding a beomaster 6500.

 

but here I would like to get some help on my newly (as broken) acquired beo cd 50.

 

the starting point was that he fired up, but did nothing.

just the display on.

 

i dismantled everything and found the old broken belt.

i replaced it with something similar (not original) and the he loaded the cd and the motor tried to move the cd, but it just jiggled a little bit back and forth.

 

i used the description here in this post ;thanx for the helpers!

 

i dismantled the motor, cleaned it and put it back together.

maybe the distance is not longer the same (how accurate do I have to be? - it was approx. 4,86mm before dismantling)

 

now the motor doesn’t turn at all.

without a cd it spins freely when I turn it with my fingers.

 

 

where did I make a mistake?

 

best regards from germany

69er 

69er
Not Ranked
Posts 27
OFFLINE
Bronze Member
69er replied on Sun, Jan 24 2021 6:25 PM

As the motor isn’t moving at all now, I tried to check voltages on all the cables going towards him.

can’t measure anything (just mv).

 

anybody an idea.

 

before I dismantled the motor he somehow seemed to try to turn. When moving by hand it turns freely.

also without cd (disc check moved out) he doesn’t move.

 

seems now more an electrical issue. Or a switch?

 

best regards 

69er

69er
Not Ranked
Posts 27
OFFLINE
Bronze Member
69er replied on Sun, Jan 24 2021 10:18 PM

Ok, one step further.

it was the switch, which shows the motor that it can start.

adjusted the biggest wheel again and put some grease everywhere needed.

now the motor starts and runs really freely (first in the one then the other direction) - all without a cd.

 

when I put a cd, the motor cannnot move it (I hear him trying 🙄).

changed several times the distance between the Downholder and the chassis.

All around 5mm

 

cannot make him turn the cd.

i measured the voltage during spin. All pins below 1v. Seems to low, isn’t it.

does anybody know, what voltage powers the motor? Maybe there’s the error

 

best regards and thanx for any help - it’s my first cd50

69er

Page 5 of 5 (191 items) < Previous 1 2 3 4 5 | RSS
Beoworld Security Certificate

SSL