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ELFORUM - Forumul electronistilor

DPS-157CP power supply lcd tv ACER AL2671W~ schema

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M-ar interesa schema acestei surse.Dupa ce s-a facut "cura" de electrolitici si lipituri (inclusiv pe smd-uri si terminalele trafurilor chopper), verificat rezistentele smd (330K si250K) de pe alimentarile integratelor controller, inlocuit condensatori pe mainboard pe sursele de 1.8 ,3.3 si 5V, sursa functioneaza cam 70 min, dupa care "pica" toate tensiunile, se opreste tv-ul, reporneste, din nou se opreste si procesul se repeta.Multumesc anticipat!


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