well I commented again I was checking the tv I changed the vertical filters and the tv still fails
open the screen from above until half I was also checking the ic LA78040B and the voltages were between normal
I don't know whether to change the vertical or it will be the yoke that has a short
good, you checked the rectifier diode of the vertical, and the same vertical ic, first try changing the vertical if you have one on hand, and check the filters of the vertical stage well because sometimes they seem to be fine but they fail to turn on the TV or they are dry They look good now. luck.
good morning compa I hope you are well look I did what you suggested I change the vertical and indeed the TV opened the screen
Are you almost ready because I tell you? because when you give the ignition order a thin line appears and after a few seconds
It gives the image and you see very thin lines almost halfway up the screen and you also notice the line that you see before opening the screen I suppose it must be a filter.
thank you colleagues with the help of you I could repair the TV I changed the vertical as Juangel told me
and the screen opened to me completely clear with a small fault and it was a filter that was damaged the filter is the one that
goes in the line of the 13v c563 I think what happens is that it does not look very good on the card is one of 1000uf by 25v I change it
and now if it is working very well thanks again I hope you will continue to help us in future repairs.