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tv bunt model 1404


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Buna seara, Tv-ul sus mentionat, cu multifunctional  nt11105pc323ag, sursa cu tz., Rastrul se inchide din cand in cand producand blocarea catozilor "sus', dar,tensiunile raman normale inclusiv fit-ul cu exceptia tensiunii abl care creste de la 3,5v la 6v Mentionez ca fenomenul se petrece numai in prezenta semnalului de antena. Banuiesc ca de vina este tk. O idee, va rog. (filamentul nu se intrerupe!) Multumesc.

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Buna ziua, Am fost plecat de la domiciliu , motiv pentu care nu am raspuns. Cat despre lipituri reci acestea nu exista. Am verificat tk cu altul si este ok. Am inlocuit tranzitorii finali video, defectul persista. Un amanunt; Cand se produce intreruperea imaginii, impreuna cu rastrul, se aude pe calea de sunet si o pocnitura. Cred ca asta presupune o defectiune a multifunctionalului. Mai astept si alte idei. Multumesc.

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