doru tv Posted November 14, 2013 Share Posted November 14, 2013 salut.tv teletech,model lcd26906hdr,sursa 17w25-4,placa procesor 17mb62-2.6vestel,tuner tdsv goo2d.acest tv a l-am primit cu sursa defecta care am inlocuito cu una noua ,lucru care a m-ai fost facut cu un an in urma la un alt service cu aceleas din spusele clientului.problema e ca dupa verificare modulului cu invertoare care pare ok,la comanda on tensiunile pe d922=26v,d808=5vsunt permanente iar pe celelante iesiri din chopper sunt decat 30sec dupa care dispar si led-ul incepe sa palpaie intermitent indiferent daca mufa de la modulul de invertoare este conectate.rog ajutor ptcine are o schema si a intalnit acest defect.multumiri anticipate. Link to comment
leoncris Posted November 14, 2013 Share Posted November 14, 2013 http://elektrotanya.com/vestel_17mb62-1 ... nload.html http://elektrotanya.com/vestel_17pw25-4 ... nload.html Link to comment
doru tv Posted November 14, 2013 Author Share Posted November 14, 2013 multumesc pt scheme si promtitudine dl leoncris. Link to comment
doru tv Posted November 14, 2013 Author Share Posted November 14, 2013 am gasit sursa (u1)de 3.3v defecta out tens de in 5v,miine o schimb si revin cu detalii. Link to comment
doru tv Posted November 15, 2013 Author Share Posted November 15, 2013 revin cu acest tv.am verificat (u1)3.3v pe out cu sursa scoasa din montaj si am 5v lucru anormal.ce ar trebuii sa m-ai verific? Link to comment
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