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ARCHIVED FORUM -- March 2012 to February 2022
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This is the second Archived Forum which was active between 1st March 2012 and 23rd February 2022

 

Beomaster 6500 T4A250V brennt durch, geht nicht an, keine LED

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herfurthba
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herfurthba Posted: Mon, Feb 24 2014 6:11 PM

Hallo,

bin neu hier und brauche Hilfe: BM 6500 ist tot, keine LED, Netzteil brummt GNU leicht und liefert Spannung. Sicherung T4A hinten zwischen Trafo und Elkos war durch, neue brennt sofort nach Anziehen des Relais durch.

Wo suche ich weiter? Sichtprüfung: keine auffälligen Bauteile. Bin dankbar für jeden Tipp.

Dillen
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Copenhagen / Denmark
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Dillen replied on Mon, Feb 24 2014 10:05 PM

Check the 4700uF capacitor near the fuse. This is by far the most common reason for the fuse to blow (though
there can be other resons).
If it has shorted, replace it and the rectifier.

Martin

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