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eumig: 382W (Nr.:>597.392); Eumigette

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Gerhard Heigl Editor A  Articles: 727 Schem.: 750 Pict.: 1086 04.Nov.08 11:32

You aren't logged in. (Guest)   1 eumig: 382W (Nr.:>597.392); Eumigette  Reparatur einer Eumigette. Fehler: Nach ungefähr einer halben Stunde Betrieb macht sich ein leises unregelmässiges Krachen bemerkbar. Dieses Geräusch ist lautstärkeunabhängig, es ist bei abgedrehtem Lautstärkepot am besten hörbar. Das bedeutet der Fehler muss nach dem Lautstärkeregler liegen. Die verdächtigten Kondensatoren in der Endstufe waren unschuldig. Der Übeltäter war der Anodenwiderstand der EABC80, R28 470k. Nach Tausch dieses Widerstandes spielt das Radio wieder einwandfrei. To thank the Author because you find the post helpful or well done.      Help

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