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ELFORUM - Forumul electronistilor

tv sanyo defct


Guest juliano

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Guest juliano

am avut la reparat un tv sanyo defct am gasit c.i la7833 si tranzistorul b985 le-am schimbat am pornit tv si functioneaza bine dar am impresia ca c.i la7833 se cam incinge

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In general circuitul integrat din BV al televizoarelor CRT se incalzeste din cauza tensiuniii de alimentare prea mare sau a condensatorului (cea mai critica piesa din BV) ce asigura tensiunea de intoarcere produsa de generatorul fly-back. Acest condensator se schimba, de obicei, la schimbarea CI a BV. Succes!

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