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Defect sursa TV Sanyo


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Am primit la reparat un TV-Sanyo,model CEP 4021 TX ,sasiu A3-B16,procesor M 50439-627SP,sursa cu tranzistoare si optocuplor PC 113. Defectul se manifesta in felul urmator: Tv-ul da sa plece din stand-by pentru cateva secune,dar revine la starea initiala. am schimbat C-ul de 100mf/400v din sursa,am verificat tranzistorul final linii si cel din sursa,am schimbat c-urile din sursa. Am pus sursa pe bec si-mi face aceiasi chestie. Ce ar trebui sa mai verific? Ma puteti ajuta cu o schema pentru acest tip de aparat?

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