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invertor de sudura globus 3300


Guest yo5pvc

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Guest yo5pvc

am nevoaie de schema globus 3300 am gasit in scurt igbt dioda r1560p2 dz18 v am schimbat tlp250 tranzistorii bd237 238 dar pe una din ramurile tlp250 am o alimentare de 12v iar pe alta 25v pe aceasta parte minusul tlp250 nu este pus la emitorul igbt cum este pus pe ramura cealalta

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Guest yo5pvc

am gasit care era problema am pus sgw50n60hs am schimbat tpl 250 si ce mai era in comanda igbt am verificat nivelele si forma semnalului de comanda totul este ok functioneaza in parametrii initiali. multumesc pentru ajutor.

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