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sasiu PT90 liniaritate verticala


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Am un tv Orion cu sasiu PT90.Defectul initial a fost dunga verticala. S-a rezolvat prin schimbarea CD15 (470nF/250V).Acum tv merge, dar am observat neliniaritate pe verticala (liniile in partea de sus sunt mult mai rare decat in partea de jos a ecranului).Am schimbat C45 (100micro) si C44(2200micro) fara rezultat.Nici din service menu nu se poate regla.Tensiunile sunt bune.Stie cineva va rog cum se poate ajusta liniaritatea verticala?MultumescCu stima Florin

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Daca ati verificat toate componentele legate de cadre,inclusiv rezistorii nu doar condensatorii electrolitici,care este indicat sa-i schimbati cu altii noi ,nu sa-i verificati si relipiti la loc,mai ramine doar finalul cadre TDA1771 de proasta calitate!! Au mai fost probleme cu aceste integrate acum cateva luni in urma;puscau la pornire ca ...petardele!!!

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