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bubusmecherul

tv buntz ctv2105

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tv buntz ctv2105,defectul tda9302h,lam inlocuit+condesatorul,si mai are un tranzistor V574,asa este numerotat pe sasiu,conform scheme este un 2SA892,Nu am asa ceva,ce tranzistor pot pune,este pe alimentarea de 9v,ma ajuta careva

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LM7809difera cumva pini,sau este la fel configuratia pinilor la 2SA892.iar tda9302h,lam inlocuit,dar fara izolatie,ca asa lam gasit pus pe radiator.

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LM7809 este circuit integrat nu tanzistor normal ca nu-i la fel. :sparge: Studiaza datasheetul lor

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a892 este un pnp cu configuratia b-c-e,poti incerca cu un bd 236-238-240 sau 440 dar configuratia este e-c-b

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Nu o sa stie face.Daca nu-i mura-n gura nu mai merge.Daca tranzistorul ala este pnp in colector ai ierirea de 9V(daca chiar este stabilizator de 9V desi eu ma cam indoiesc)

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Revin cu acest tv,iam pus bd238 cu configuratia este e-c-b, a pornit tv-ul,dar arata o dunga luminoasa aproape de mijlocul ecranului ,de sus in jos,si de o palam imaginea neagra in partea stanga,ce pot face.

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ia uitativa cum arata faptul tv,foto,ce pot face am schimbat totii condsatori.liniuta de sus in jos nu apare in poza,aceata la cateva secunde dispare,daca al las mai multe secunde deschis tv-ul incearca sa se mai mareasca pe partea stanga imaginea,cate o data mai arata si dinti de ferestrau pe partea stanga,

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