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tv lcd teletech

doru tv

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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.

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