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tv color First Austria


laur_electricman

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salut am si eu acelasi tv First Austria insa nu merge sursa de alimentare,am verificat tot etajul la sursa,BUT11AFprimeste tensiunea de filtraj pe colector insa nu functioneaza sursa.As avea nevoie de o schema electronica sa-mi pot da seama mai bine ce se intampla

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ms mult pt schema,am descoperit defectul pe sursa de alimentare,o rezistenta de 170 kohmi intrerupta,rezistenta de vine din tensiunea mare a filtrajului de pe alimentare si este la randul ei inseriata cu o alta rezistenta de 150 Kohmi si merg in baza finalului BUT11AF

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