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ELFORUM - Forumul electronistilor

Tv Samsung LE 23R87BDX/XEC


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Acest tv a venit cu CI F9222L din sursa si rezistenta RM801 arsa . Le-am inlocuit si televizurul a pornit , l-am lasat cam 2 ore de mers timp in care avea 45grade . Am pus capacul si TV-ul nu a mai pornit. Am gasit rez. RM814 de 3k3 intrerupta ,  nu stiu daca a fost si inainte intrerupta sau era pe duca. Acum am luat alt integrat dar verificand mai atent am gasit in scurt DM804 care m-a pacalit fiind in paralel cu RM803 de valoare mica. Dioda este D1NS4 de tip Schottky si nu stiu ce sa pun in locul ei , ceva cunoscut sau o simulare daca stie cineva?     Atasez schema.

samsung_bn44-00158a_sma23-p_power_supply_sch_213.pdf

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