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The picture has moved to the very bottom of the screen,when i hit the tv,it flicks back briefly to the proper picture,but does not stay.

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Sounds like a bad solder joint in the Vert circuit.. Whats the make/Model?

Posted on Mar 03, 2008

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If the sound stays on try just going up and giving it a "whack" on the side, a pretty good one. If the picture springs back to life it is likely a poor solder joint.
Those sets and many others are prone to cold solder around the vertical IC due to the heating/cooling cycles and high temperatures inside a TV. If you hit it and you get a picture back it likely just needs to be re-soldered.

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Try adjusting the convergence. If it won't move see below- (or hitting Magic Focus for some Hitachi’s)

This sounds like convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually charge between $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html

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1 Answer

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I'm afraid it sounds like you will need to have this TV set serviced.

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