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Beolab 4000

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Beomanu

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Beomanu Posted: Mon, May 27 2019 3:49 PM

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Hello

Does anyone have the electronic diagram of the beolab 4000 speaker, to pass me?

Thank you. regards

Manu

Filed under: The problem is that the two speakers are left with the red light and does not turn green when I connect the beocenter 2 or an ipod

Beomanu

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Beomanu replied on Mon, May 27 2019 4:15 PM

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I found it in products. Smile

Beomanu

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Beomanu replied on Mon, May 27 2019 4:17 PM

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Does anyone know why the speakers are not activated and the LED does not appear in green and is always in red and the sound is not heard ???

beolion

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beolion replied on Mon, May 27 2019 4:27 PM

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Beomanu:
Does anyone know why the speakers are not activated and the LED does not appear in green and is always in red and the sound is not heard ???

I had a similar problem caused by the foam that was deteriorated. It damaged the electronics.

I had it repaired and new foam placed.

Keith Saunders

Hampshire, United Kingdom

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Keith Saunders replied on Mon, May 27 2019 4:31 PM

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That will depend on the serial number.

If you have old Beolab 4000 with black foam inside, then that has almost certainly degraded to the point of damaging the main circuit board which will have caused the problem.

If you have white foam inside then it is a newer Beolab 4000 and the other issues to check is the standby transformer which is also a common failure.

Regards Keith....