catalin004 Posted November 25, 2013 Share Posted November 25, 2013 Problema sursa.....am schimbat condensatorii toti din sursa, am la iesire doar tensiunea de 20V....B+ si cealalta sunt lipsa....TDA4601 se alimenteaza....posibil defect 4601?multumesc Link to comment
dan cod Posted November 25, 2013 Share Posted November 25, 2013 Ceva scurt sau intrerupt in secundar? Link to comment
tehtronics Posted November 25, 2013 Share Posted November 25, 2013 pai daca ai 20V(de fapt 18V)...TDA4601 este okvezi ca daca nu ai 12V, este normal sa lipseasca si B+, ca nu cupleaza releulDeci verifica traseul de 12V... Link to comment
dan cod Posted November 25, 2013 Share Posted November 25, 2013 Eu cred ca zice ca 20V este u1.Ramane sa vina cu lamuriri. Link to comment
catalin004 Posted November 25, 2013 Author Share Posted November 25, 2013 nu nu.....am specificat ca am 20V.....B+ si 12V lipsa....releul nu cupleaza.....nu am scurt in secundar....o sa mai sap.... Link to comment
catalin004 Posted November 25, 2013 Author Share Posted November 25, 2013 FR801 intrerupta....multumesc Link to comment
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