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Schema amplificator DENON UPA-100


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    Salutare am tot cautat pe net dar nu am gasit schema acestui mini ampificator. Am unul care are  doar pe un canal un zgomot de font ca la radio (ca atunci cand nu este receptionat bine postul - un fas care se amplifica pe masura ce dau volumul mai tare) si nu este din amplificarea STK -ului ca am vazut ca daca scot conectorul de intrare direct din partea de amplificare zgomotul dispare. In rest peste acel fas ampul suna OK nu distorsioneaza , releul de la protectie cupleaza si decupleaza normal nu am tensiuni pe iesire . Poate fi si din potentiometru ? Eu parca nu as crede ca e de acolo.

 

Multumesc anticipat

Edited by TITI
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