ARCHIVED FORUM -- March 2012 to February 2022READ ONLY FORUM
This is the second Archived Forum which was active between 1st March 2012 and 23rd February 2022
Hi all
My first thread here.
As a young person growing up in Denmark in the seventies, I have always been familiar with, and surrounded by B&O stuff. Unfortunately, in those days, I could never afford the TOTL equipment. As so many others do, I am now beginning to collect that very hardware I so desired.
Yesterday I got my hands on a 8000/mmc20CL combo,for a price I thought reasonable. Maybe not so.
When I plugged in the mains, I heard that not everything was as promised. Referring to the manual, I put the player in service mod, to see how it all appeared. After removing all the dry grease, and adjusting sensor- and pickup arm, I still cannot get the motor (platter) going. There is just a humming noise when I press play. After removing the P4/8 pin plug I can get the pickup arm to perform all tasks from the keypad.
Also there seems to be next to zero clearance between the sub-platter and the "floor", and pushing the platter manually, will result in a scraping noise. Is there anyway to raise the main bearing, to get some extra clearing?
Steen
Welcome to Beoworld !
- And to the world of collecting B&O products.
Your Beogram is in need of a thorough electronic restoration. A check for crackedsolder joints, a bunch of new capacitors and a general checkup.All very common.
Martin
Yeah, I kinda saw that coming.
What about the scraping of the sub-platter. Is there a way to adjust this?
Edit.: Just read a post regarding this problem. Seems to be in need of a new nylon washer under the main bearing. Right?
Dyolf: What about the scraping of the sub-platter. Is there a way to adjust this? Edit.: Just read a post regarding this problem. Seems to be in need of a new nylon washer under the main bearing
Edit.: Just read a post regarding this problem. Seems to be in need of a new nylon washer under the main bearing
Yes. The nylon insert breaks if the Beogram was transported/shipped with the heavy platter fitted.The platter should ALWAYS be packed separately.
Hi Martin
I found the site where you sell your capacitor kit, but before purchasing I would like to be sure that I don't throw good money after bad.
When I received the player it actually started and played 2 LP sides, operating as it should when pressing "play". I noticed that when lovering the pickup, the sensor-arm would move a further 3-5 mm. towards the center, and then behave normally. The player was'nt hooked up to amp/speakers, so I have not heard anything sound-wise yet. It was after pressing the "pause" button, that things started to misbehave. As mentioned earlier, now I only hear a humming noise from the motor, and no movement.
Regarding the drive. Is there a page that can inform the ignorant (me) as to how this motor operates?
Regards Steen
Old capacitors are causing a wide variety of faults and symptoms in these wonderful decks.It's generally a good idea to replace the lot and deal with any remaining faults afterwards.You really cannot diagnose anything with the old caps still in circuit.
If the carriage travels while lowering then the tracking opto adjustment at the base of the carriage is off.Not too difficult to adjust. Check the service manual.But replace the caps first to rule them out.
The motor is an eddy-current type. I suggest you google around a bit and read up on it if you like, sinceexplaining it here could easily take a couple of pages.However, the motor coils practically never fail, it's always something in the electronics causing problems.
Don't run the deck without the black subplatter.