Guest Gabi Posted December 23, 2008 Share Posted December 23, 2008 Salutari tuturor,Problema mea este ca in ultimul timp se arde tranzistorul BU 808DFI (ultimile doua dati dupa cateva ore de functionare).M-ar ajuta foarte mult schema acestui TV (NEI NTV 5570 TXT).Eu nu sunt de specialitate si daca puteti sa-mi dati niste sfaturi m-ar ajuta foarte mult.Va multumesc! Link to comment
tv1 Posted December 23, 2008 Share Posted December 23, 2008 NEI model NTV-5170TXT link Link to comment
YO2LFF Posted December 24, 2008 Share Posted December 24, 2008 Defect tipic. Schimba electroliticul din baza lui BU808 (C613, 10uF/50V) cu altul nou, de buna calitate.Verifica R628(33R) si R633(47R). Unge tranzistorul cu vazelina siliconica si strange-l bine de radiator. Daca nu merge, cauta un depanator (totusi). Link to comment
JAD Posted December 24, 2008 Share Posted December 24, 2008 Merge sigur. Recomandabil sa pui C-ul de 22-47uF/63V; sunt sanse sa tina mai mult. Eu deobicei pun 22uF/63V si merge OK. Link to comment
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