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cuc1822 defect alimentare vert.(il arunc pe geam!)

 
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gelutu
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Membru incepator


Joined: 07 Nov 2006
Posts: 7
PostPosted: Wed Jan 17, 2007 9:41 am    Post subject: cuc1822 defect alimentare vert.(il arunc pe geam!) Reply with quote
tv grundig st172idtv atl cu sasiu CUC1822. Nu porneste, dupa 3-4 sec. intra in protectie. tensiunea pt. linii +A creste pina la 190v( normal 145v).
schimbat tot la comanda liniilor, nici o modificare.cu un alt consumator (bec 60-75w) toate tensiunile sunt normale, inclusiv +A.
verticala cu tda4173af tensiunea de alimentare este de: k1=9v; k2=-9v.
normal nu ar trebui sa fie cca25v?
fit se produce cu triplor. la punctul D de la triplor cca 36v. este normal sau este prea mare si de ce ?(pc D de la triplor este iesirea pentru protectie la supra curent a curentului de fascicol.)
astept pareri, multumesc anticipat!
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