Guest reut_virgil Posted February 13, 2014 Share Posted February 13, 2014 Un salut calduros Am o mica mare problema:acest tv cu placaT2S08,procesor de comenzi ST92195C7B1/MTH,STV2248 si BV cu STV9306 a avut o problema in sursa(Q611)in urma careia mi-a distrus finalul linii si condensatoarele de filtraj inclusiv pe 12V.Am remediat problema dar la pornire imi intra direct in "service"iar baleiajul vertical este instabil:ba este16/9,ba se mareste peste masura cu intoarcere si sfarseste cu linie orizontala.Am schimbat procesorul de comenzi fara sa se modifice problema,sa fie defect STV9306?Am reusit intr-o perioada de stabilitate mai mare sa-l programez din Service dar nu s-a memorat.Am fortat si resetare in timpul functionarii fara rezultat.Unde naiba ar mai trebui sa ma joc?Multam! Quote Link to comment Share on other sites More sharing options...
Toni Marginean Posted February 13, 2014 Share Posted February 13, 2014 Probabil ca si memoria a avut de suferit din cauza sursei! Quote Link to comment Share on other sites More sharing options...
BUGHIU Posted February 13, 2014 Share Posted February 13, 2014 Nu procesorul trebuia schimbat primul ci memoria!!Eventual cu un dump adecvat!! Quote Link to comment Share on other sites More sharing options...
dan cod Posted February 13, 2014 Share Posted February 13, 2014 STV9306 lucreaza pe SCL,SDA deci 99% ca de acolo este problema.Schimba-l ala prima data. Quote Link to comment Share on other sites More sharing options...
Guest reut_virgil Posted February 13, 2014 Share Posted February 13, 2014 Am schimbat si memoria,dar ce mi se pare curios ca nici imagine nu am si am marit Uscreen sa am rastu rosu bineinteles cu cursa inversa aferenta si dupa resetare in timpul functionarii intra in Service1 Quote Link to comment Share on other sites More sharing options...
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