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Royal TV3788 TXT probleme pornire

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Buna ziua!Am acest tv care face figuri la pornire si anume ca ledul de st-by cateodata se aprinde si cateodata are tendinta de a se aprinde doar ca face sursa un fel de "carait".daca apuca sa porneasca ledul atunci dau drumul si tv merge,mentionez ca am schimbat cele 3 electrolitici de 100uf/50V din primarul sursei.Eventual o schema daca se poate mi-ar prinde bine.Ce poate cauza acest defect?Va multumesc.

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