When you turn on our TV, The picture is blurry to the point of being unreadable for 30-60 minutes. And once it warms up it makes popping sounds for a few minutes then stops for awhile and starts again in an hour or two. What do I need to have done?
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Find a large rifle and put it out of its misery. Bowing is either from a problem in the pincushion correction circuit or the convergence circuit. Blurry picture or poor color rendition is most likely bad CRTs ( picture tubes)
sounds as if your convergence needs to be set. either through the menu on the tv or remote you need to get to the convergence set screen and you need to line up the crosshairs. this usually happens when the tv is moved or bumped.
if you have little knowledge about electronics, you have to open the back of your tv and adjust the focus adjustment located at the back of the flyback transformer the large black colored like hard plastic... and if it is still not working replace the CRT socket....
That sounds like the screen and focus controls you are adjusting. It sounds like you have a bad HV Splitter inside the TV.
Depending on your model number.
sells them for about 20 bucks.
It sounds as though your Picture tubes are getting weak or theres a bad capacitor in the screen drive circuit. The only way to tell would be to call in a tech to diagnose this problem with his test equipment. A tv set is not a place for an unexperienced person to play with. Good Luck