philips TV model 20PT324A / 85S turns on but soon a resistance is heated and it is heated image but you hear it I turn it off and let it rest a broken and I turn it on and you see the image but when heating again the image goes back, I wait for your help chassis 03078539 26393-11 / 05 / 01AN

Check if the filament of the tube goes out, the most common is that the flyback welds are blown plus the filament (heater), also fix the welds on the tube socket, if that is ok you will have to check the transistors tension of color that is 180volt, luck