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Citronic plx 2800

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Salutare, ma poate ajuta cineva cu schema amplificatorului din titlu, nu am găsit nicăieri nici macar schema altuia din gama ca si referință, l-am primit defect, un etaj final cu tranzistori lipsa, celalalt complet, tot ce e pe el măsoară bine, insa, aparent un defect in sursa, la cuplarea tensiunii AC de forta (40-0-40 *2) intra in protectie iar varistorul Mz91 se încălzește si miroase a ars. Puntile de forta masoara bine amândouă, condensatori in scurt nu am gasit.  Tensiunile auxiliare nu fac probleme, amplificatorul pornește in momentul in care decuplez railurile de putere.As fi recunoscător pentru orice sfat sau schema. 

Mulțumesc. 

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