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ELFORUM - Forumul electronistilor

TV Kontrast 14RO1

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Acest tv isi pierde una din culori(ori albastru,ori verde,ori rosu).La atingerea testerului de la instrumentul de masura la catozii tubului cinescop sau chiar la colectorul tranzistorului final de linii ,culoarea revine, nu pentru mult timp(intre 1 min si 2 ore).Sasiul este TOUSDA TH21-Z6.PCB.Rog o parere...

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Daca finalul video este cu BF422 schimba-i pe toti 3 si va merge.

Multumesc...Desi stiam ca la acest sasiu trebuiesc schimbati acesti tranzistori,m-am incapatanat sa nu fac acest lucru pentru ca defectul mi-a parut oarecum ciudat(isi pierde culorile pe rand).Maine promit ca-i schimb cu ceva mai bun...Voi reveni...
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