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ELFORUM - Forumul electronistilor

Lo-D HA-410


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Salutare colegi,

 

M-am apucat sa reconditionez pt un prieten un amplificator Lo-D HA-410.

Este neatins pina a ajuns la mine acum peste 15 ani.

Prima etapa a fost sa-i schimb traful original ce era pe 100Vac intrare cu unul de 230Vac. Acum am ~31V pe fiecare rail de power. 

Problema este ca nu am schema si nici nu gasesc pe net si se pare ca trebuie sa sap prin el. Pe un canal are un HISS puternic independent de pozitia volumului. In rest cinta destul de ok pe ambele canale.

 

Ma poate ajuta cineva cu o schema sau manual de service?

Multumesc!

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