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defect NEI2164 TXS


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va salut,am un nei 2164txs,up. sda20563-a518,memo. sda2586-5,scanning processor tea2029,bv cu thiristor,sursa tda 4605+fet,sasiu 63y190-02 sau beko 10.3ce se intampla? a avut trafo linii in scurt, 003071019,am pus un fbt 7578,niste electrolitici cu esr marit schimbati si a pornit ok dar pe imagine mai luminata apare pe partea de sus, cam o treime din ecran,o banda verzuie si culoarea paleste.dupa ce scade luminozitatea imaginea revine la normal si coloritul reinvie.lumina nu o reglez eu,cum ruleaza imaginea.nu am schema dar U1=125v,Uvideo=150v in loc de 200v(cum e notat pe cablaj !?).in rest totul funct.normal.aveti vreo idee?ati mai dat peste asa defect?va multumesc.

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La sasiul asta asa face cu transformatoare de linii chinezesti.Daca pui HR7578 facut de Diemen defectul dispare.Cele chinezesti nu sant realizate corect.

Da,multumesc mult,ce parere aveti daca as mai pune cateva spire pe miezul trafului si as inseria cu bobina U video(desigur respectand sensul) ? in felul acesta as ajunge la 200v si nu as mai astepta dupa HR :jytuiyu
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Da,multumesc mult,ce parere aveti daca as mai pune cateva spire pe miezul trafului si as inseria cu bobina U video(desigur respectand sensul) ? in felul acesta as ajunge la 200v si nu as mai astepta dupa HR :jytuiyu

Nu merge,nu e de acolo,alte infasurari sant realizate prost.

Ia vezi ce scrie si aici ( ultima parte a topicului ):

goldstar ckt2190 link

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