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invertor rdenc2266tpz anulare protectie


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salutare ,tv lcd philips cu display sharp invertor rdenc2266tpz ,2 nimic suspect in sursa si in partea de invertor,tv-ul are lumina  cca 2secunde de la pornire,dupa care ramane fara lumina,sunet ok,neoanele par sa lucreze ok,stie cineva o metoda de anulare protectie,pentru elucidarea defectului?

controlere par sa fie 2 buc notate 

 

E22U

224

MRC550( sau MRCS50)

 va multumesc

cu scuzele de rigoare am gasit si controlerul bd9777 care se pare ca poate fi pacalit cu 10k la pin 14ss si masa gnd,voi incerca si reveni cu rezultatul

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