Hi all,
I've searched around and there are a few similar issues but couldn't find specifically the one I am experiencing.
A couple of weeks ago the tonearm on my 4000 stopped lifting after a record had finished. I thought at first it was due to the records as they were new to me so it may be an oddity with them. But the problem has spread to a lot of records I know definitely were fine before.
At the end of the last track, the tonearm moves along the lead out groove and just sits there close to the label. Not with all records and with some, Side A will be an issue but Side B ends fine. The tracking to the end seems slower than before.
Any suggestions? I am hoping this is an adjustment somewhere but unsure.
TIA
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Beogram 4000 tonearm not lifting end of record
8 replies
Have a look at Rudi's video below....could be the ES (End Stop) switch playing up.
Thanks for the advice. Actually, that led me to a blog post by Rudi and he was experiencing exactly the same thing. Most of the details were beyond my technical level but the last paragraph about adjusting a trimmer slightly clockwise seems to have worked. Now the to tonearm is lifting once again after each side has finished.
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I'm pleased everything has worked out for you....however the correct adjustment of the diff stop is identified below, buy hey if it isnt broke dont fix it ;¬)
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Thanks. That is strange, I see now the markings on the board as well. As you say, if it’s working…
If you adjusted the pot wich is discribed as MOT you would have chaged the amplitude of the platter motor.
Nothing related to the differential circurit as far as I know ;-)
Maybe you puzzeld a little bit at the other pot's too?
Kind regards
Christian
Thanks. I am not in the habit of touching these. I turned the left MOT pot perhaps less than an 1/8 of a turn. I could turn it back to its original position.
Quite temperamental as I noted the issue has gone away for now.
Considering the age of these decks, and the complexity of operation its not surprising that they demonstrate the occasional temperamental slip, I have found for the most part I'm constantly tweaking and adjusting this and that in order to maintain continued operation....it's all part of the charm ;¬)
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