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Soft-nand Medion MD20294 DE-A cu main 17MB81-2


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Salutare tuturor!Am intimpinat o problema la un tv led,MEDION MD20294 DE-A,crezind ca o sa-i aflu usor soft si am sa-l resoftez. Dar la producator,nu am gasit pentru el exact soft,am luat ce am gasit,incepe sa pilpiie rapid,dupa apasarea butonului ok,de pe telecomanda, si la sfirsit incepe sa pilpie mai lent de 6-ori,si tot asa,adica ca la inceput,cind mi-a sosit cu defectiunea :pilpiie de 6- ori,si se stinge ledul,nu se aprind backlight,nimic,nu se poate umbla de la telecomanda! Este modelul cu DVD,mainboard 17MB81-2,sursa:17IPS61-2.Modelul de main este cu nandflash,nu am programator pentru el!Va multumesc pentru orice idee!

Edited by stefanpecsi
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Inainte de toate verificati in punctul de masura TP26 de pe main (semnalul PROTECT in blocul SHORT CCT PROTECTION) in faza de start sa aveti cca. 2,3-3,3Vcc (semnal asimilat "high"). Daca aveti sub 0,7V atunci aveti o tensiune lipsa pe main, deci in acest caz nu ar fi softul vinovat...

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