Question about Toshiba 50H81 50" Rear Projection Television

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Toshiba 50" Convergance

Unable to move blue "X" left/right to adjust but blue does move up/down. No adjustment issues with red.

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One of the amplifiers in the convergence area is defective. has to be replaced. shouldn't be an expensive repair. adjustment is needed after this replacement.

Posted on Apr 14, 2009

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1 Answer

Blue conversion unable to move left or right, only up and down


Must replaced the 2 convergence ICS and some or all it resistors.Must know how to solders?Buy a convergence kit at Tv repair World,Tvrepairkit.com to repair it ur self.The shop will cost u $300 for parts and labors.

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Have you tried to adjust in the customer menu or in the TECH menu? I can tell you how to get into the tech menu--if it will not adjust there you have a convergence circuit problem and I can tell you what is needed to repair the set.


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1 Answer

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1 Answer

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http://electronix.com/

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1 Answer

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I would take a look at the entire circuit board the STK chips are sitting on... I have the same problem with a sony KP-57wv700 and it turned out to be the high voltage controller for the crts got fried... part # BA9759F and it can not be replaced as the entire circuitry around it got toasted also... I just ordered entire circuit board. mine was the D board in this case...

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1 Answer

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