bubusmecherul Posted February 8, 2014 Share Posted February 8, 2014 un echivalent pentru acest stv9302a bv,este ceva. Link to comment
dan-a2 Posted February 8, 2014 Share Posted February 8, 2014 viewtopic.php?f=16&t=153806 Link to comment
K1nderu Posted February 8, 2014 Share Posted February 8, 2014 LA78040,TDA8170,TDA8172,TDA9302,AN15524 Link to comment
bubusmecherul Posted February 8, 2014 Author Share Posted February 8, 2014 LA78040B,este bun. Link to comment
bubusmecherul Posted February 8, 2014 Author Share Posted February 8, 2014 lam pus pe LA78040B,sa deschis imaginea decat de la jumatate in sus,iar la mijloc persista o linie alb[dunga luminoasa] oare sa nu fie bun? Link to comment
dan-a2 Posted February 8, 2014 Share Posted February 8, 2014 Schimba cond. de filtraj pe cele 2 tensiuni de alimentare al integratului BV, si cond. de 100uf /50v boostrap !! Link to comment
bubusmecherul Posted February 9, 2014 Author Share Posted February 9, 2014 am schimbat condesatori ,si imaginea corecta,dar mai am o problema cu culoarea rosie,nu are acesta culoare. Link to comment
Radiotelegrafist Posted February 9, 2014 Share Posted February 9, 2014 verifica final video de pe tun r pe placa video,si refa lipiturile,sau in cel mai rau caz tub cinescop dus. Link to comment
bubusmecherul Posted February 9, 2014 Author Share Posted February 9, 2014 sa rezolvat iam schimbat pe toti 6 finali video. Link to comment
bubusmecherul Posted February 10, 2014 Author Share Posted February 10, 2014 revin am schimbat toti cei 6 tranzistori finali video,bf423,bf422,cum am mentionat,lam dat la om acasa,dupa care a functionat normal cu culori normale vreo jumatate de ora,dupa care omul a spus ca iar i sa luat culoarea rosie 2 secunde,dupa care iar sia revenit normal,si a mai mers vreo 5 minute cu culorile normale,si de pe aceste 5 minute sa luat de tot culoarea rosie,finali video iam schimbat pe toti,si toti iam pus noi,ce se intampla. Link to comment
cristi71 Posted February 10, 2014 Share Posted February 10, 2014 filamentele se aprind toate 3? Link to comment
ionbel1 Posted February 11, 2014 Share Posted February 11, 2014 Daca ai pus tot chinezarii ,schimba si pune BF-uri din seria 8xx din acelea de pe placile video din tv-urile mai vechi si nu o sa mai cada.Succes. Link to comment
BUGHIU Posted February 11, 2014 Share Posted February 11, 2014 Tare cred ca acolo trebuie schimbat....tutbul!! Poate e ceva de genul ''chunghwa''....made in .... Link to comment
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