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schneider dtv5617 sasiu 3940-0109069 ”b”

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ma poate ajuta cineva cu o schema pt acest aparat?am gasit TDA8177 intre pinul 5 si 6 scurt l-am dat afara am masurat alimentare pe pin 2 se alimenteaza cu plus 17v si pe pin 4 minus 16v,am pus un altul nou(de pe un alt sasiu)si i-am dat drumul si a iesit fum din el tda8177 pe partea cealalta a sasiului are o bobina cred scria pe ea 220k si acum s-a topit as vrea sa vad ce valoare are pe schema bobina cat si tens de alimentareMULTUMESC

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