It turns on normal but already programmed with low brightness and if I raise the brightness or contrast in the menu the image on the screen begins to move and turns off protecting itself and does not turn on until it is disconnected from the current and reconnected again
If the TV has a lot of use and the brightness went out, maybe you need a new CRT, because the impression that gives me is that you raised the brightness to give more presence to the video, is that so? Although the brightness section has components that should be checked the shutdown is normal when you raise the brightness, did you check the correct b +? did you check the abl voltage?
I lower the brightness and contrast and screem of flay back and it is on but if there is an image with lots of light, white backgrounds are looking to close and open the screen in most cases it closes and turns off
Ok friends I'm going to do the tests and let you know both the tensions and change the resistances
Change the resistance to one of the same value and nothing remains the same also change the 411 c and that diode it 431 which will be that I do not get it just like the ic 803 as it does not have them
Well folks I already solved my problem with the tv. Change the str and voila solved the problem. Thank you so much for your help . I really appreciate it very much.