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bubusmecherul

beko sasiu e1

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am primit un tv beko sasiu e1,cu urmatorul defect,led de standbay nu se aprinde,dac scot afra stabilizatorul de 3,3v se aprinde leul de standbay,si nu am nici o tensiune pe MULTIFUNCTIONAL de 8v pe pinul 39 si 14,care conform schemei ar trebui sa fie,iar pe colector final lini am 163v,ce sa verific,va rog.

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pe stabilizator pinul 3 este 4,1v,pe pinul 2 este 3,1v,iar pe colector final lini am 170v,cu ledul stans de standbay,daca intrerup pinul 3  al stabilizatorului de 3,3v pe colector final lini este de 132v,ledul find aprins,ce dumnezeu sa mai verific,va rog.

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Cum saracie U1 difera daca ai sau nu stabul ala pus cand E1 nu are optocuplor in sursa?Cinestie ce e pe acolo.Pe iesirea din stab deci alimentare multifunctional si memorie trebuie sa ai 3,3V nu altceva.

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dom dan,sa rezolvat,ce era,o banala dioda de 3,3v,adica zd102,de asta nu se aprindea nici ledul de standbay,acum am schimbato si led de standbay sa aprins,am apasat pe P+ si tv-ul a pornit,multumesc mult pentru raspunsuri,pe colector final lini in standbay am 134v,cu tv-ul pornit este 108v,este bine asa,va rog.

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