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ELFORUM - Forumul electronistilor

Schema TVC -SEG-CT1900

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Va salut.   am inlocuit C817 =1Mf/50V  , care  avea pin+ corodar- intrerupt si am inlocuit R812 cu  68ohm/2w , tvc a pornit  dar am vazut ca se incalzeste tare si am pus una de 5W .TVC a pornit si a functionat 3 min. dupa care a intrat in St. by . si led. rosu palpaie. nu mai porneste.Pe bara + alim. final linii sunt 140v , dar tvc nu mai porneste. Posibil BUZ77 -defect ? Cu ce tip de tranz. se poate inlocui ?  Cu stima , Virgil.

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