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Beogram 4004 - power supply issue?

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Alicja
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Denmark
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Alicja posted on Fri, Dec 4 2020 10:54 PM

Dear BeoWorld Members,

I am new to this forum and I wonder if you could support with my query .

I have a set of Beomaster 4400 combined with Beovox S45-2, and I have recently bought used Beogram 4004 to connect to the system, but it appears to have an issue - with what I believe is power supply.
At first, after connecting the setup, Beogram worked well. I had to disconnect the set due to refurbishment of the flat, but everything was kept secured and intact. After some time, I connected the set again and, unfortunately, the issue occured - slide transport started, but after about 1 second it froze (and light went down) - appearing that power supply connection is lost. Power supply is not delivered when the START button is pressed.
I have not attempted to open/repair Beogram yet as, I currently do not have the tools to do so.

I wonder if you are able to help advise if my assessement is correct, or perhaps direct me to the service centre in Denmark (I am aware of two)?

I was searching for some information on the forum, and if I have missed a relevant topic I would appreciate if you could point me in that direction.

Thank you!

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Spassmaker
Top 500 Contributor
North Germany
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Spassmaker replied on Mon, Dec 7 2020 4:35 PM

Hi Alicja

Does the light go out or down?

If the light goes down when the tonearme comes to the recordplatter it seems that the current limiting switch doesn´t work and the current of the tonearm coil draws the power down.

There are two kinds of limiting switches, one is a mechanical switch, pressed by a lever, the other one is an electronic switch realised with transistors, resistors and caps om the mainboard.

Don´t let it in this state too long, the coil will get hot, melt and get damaged.

Best regards

Christian

Alicja
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Denmark
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Bronze Member
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Alicja replied on Sun, Dec 27 2020 5:01 PM

Hi Christian

 

Thank you for kind replay and helping out -

The light is out. Currently, after plugging Beogram to power supply, the light does not turn on. I have kept it off since then and I have started looking for a specialist to help ideally in Denmark (or Germany) to hopefully get it fixed.

 

Best Regards

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