Major screen problem with 46H83 - HELP!

I don't even know how to describe this... sometimes I get no picture at all and the menu options appear "curved" on the screen. Sometimes the screen goes insane with different colors flashing all over the place. Sometimes I lose vertical or horizontal hold. Sometimes it appears that only the red/blue/green lamps is working. Sometimes, albeit very rarely, it works JUST FINE. The solution is to turn it off and turn it back on, but the problem persists soon thereafter. Has anybody encountered something like this? I'm desperate for help. Thanks.

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Dan Petersen Sep 14, 2006

Also - sometimes it just sits there and flashes pink or green, or blue, or anything else you can think of. Sometimes these crazy lines and patterns form.

I'm telling you, I think this thing is possessed!

FWIW - the sound works perfectly fine, and there is no issue with screen burn in.

The problems started approximately 1.5 years after purchase, which was about a year ago... still having the issues, and they're getting worse every day.
Dan Petersen Sep 15, 2006

Thank you for your help -- do you have any idea what type of cost I would be looking at for a profressional repair? I'm guessing this is a pretty standard repair job?

Thanks again.

-'98
Dan Petersen Sep 15, 2006

Just curious - what if the issue, as you say, is the capacitor? Am I looking at something drastically more expensive?

In short, I'm weighing the option of getting this thing repaired vs. buying something new... Obviously, I would like to extend the life of this instead of spending $3000 or so on something new.

Thanks again for your help.

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3,130 Answers

The convergence IC first need to be changed and this might cause all of your problems to go away. if it does not then theres a bad capacitor in the sweep power supply thats bad also. but as I said change out both STK convergence IC's first.

Posted on Sep 15, 2006

Anonymous Sep 15, 2006

If you pay over 350 bucks I think your getting ripped off cause these IC's are cheap!!

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