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Defect tv NEI model:NTV 2170 TFS


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am un defect major la un tv NEI cu chassisul 11AK30A14 nu se aprinde de loc am ilocuit tz-ul fetafost pus in scurt am luat altu nou aceeasi problema al clacheaza si imi arde si R828 cear putea sa fie IC800/MC44608 sau IC801/SFH617A? am schimbat majoritatea cond electrolitice nici o schimbare va rog cu stima.

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Inainte de toate verifica diodele de pe intrarea in sursa D809,890...apoi R805;Schimbi C809,810,IC800 si Q801;Pui bec in locul final linii si incepi masuratori,restul e ... rutina.Nota : despre functionarea IC800 - pag. 14-15 din SM.Si mare atentie la calitatea tranzistorilor achizitionati !Succes !

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