[tv sinudine]

Hi from Rosario:Ho a tv 20p sinudines 20425mambo that after mezz'ora of operation it jams the eat, on the end the tensions component normali.Is that I have tried to change sono:stv2246c,c2445(stanno on the circuit eat stay), in to present himself/herself/themselves some defect the r3444 he overheats and to the extremity' I don't notice current. Have I changed the tr7440 (pilot eat) with results negativi.Per to verify me some functionality' of the circuit of the feeding I have used a fictitious load of 60w and after a hour I have not noticed any anomalia.Per to be more' sure I have also changed the tr7440.Dopo the whole defect and' still present in various total forme:scomparsa of the image alone ripristinabile extinguish-accendi,l'immagine sisbianca,si illuminates, does it lengthen in vertical then he extinguishes. (I have also changed the condensers on the vertical one, the tensions also during the defect they stay stable on the g2 to 400v.A this point I don't know from where to start.. you could help me? THANKS!