I've been having problems with my t.v. picture shrinking and going out completely. I tried turning it off for long periods of time and it seemed to work fine for a couple of weeks after that. Then it started again so I tried the tap method around the shell and it would make the picture come back most of the time. Then it finally would just come on with blank screen and sometimes a reduced picture. I took the back off and dusted it out and then looked for loose connections and solders. Really didn't see any but did make sure everything was tight. Now I've got the t.v. on and it's been working for about an hour & 1/2 with no problems. Any suggestions as to what the problem may be? I thought originally it was a power supply but now I'm not sure at all. I'm sure it will go back to losing the picture again unless I repair it.
Could'be a crack on the main chassis , or, bad capacitors with or around the vertical output ic . cost to repair around 80.00 to 125.00 this need to be rapaired as a component level because the main chassis is no longer available and its better to be repaired by a trained technician . a person ith no experience onthis chassis culd damage another component very easly. if you need more to know let me know , thanks
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