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ELFORUM - Forumul electronistilor

Televizor Sony sasiu AE-1 defect

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Am un Sony KV211XMTU ( sasiu AE-1) care a fost defect la cadre. Am inlocuit integratul TDA8170 si condensatorul de filtraj alimentare cadre, problema s-a rezolvat dar a aparut un nou defect care se manifesta in urmatorul mod:1)Rastrul are dimensiune mai mica pe orizontala si deformat E- W, asemanator televizoarelor care au defecta corectia E-W ( cind este scos tranzistorul de corectie E-W), desi acest model nu are aceasta corectie in schema ( avind dimensiunea ecranului de numai 51).2)Imaginea apare doar in partea stinga a ecranului (cca 7 cm din imagine), restul ecranului este negru ( probabil ca un impuls din trafo linii blocheaza calea de imagine). Deoarece am o schema partiala si greu lizibila (AE-1; 1,41Mb), nu-mi dau seama care este cauza. Toate tensiunile de alimentare sunt bune. Poate are cineva vreo idee si ma poate ajuta. Multumesc!

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