Question about Hitachi 50GX30B 50". Rear Projection Television

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Hitachi 50gx30B Pincushion problem

Hey Guys,
I have replaced the SK convergence IC's (both) on my 50gx30b I followed the instructions and did not replace the resistor because none of them were discolored. However when I repowered the TV I noticed the green was pincushioned. I went in to the service mode and adjust the beams to the grid and the color has lined up but now I have all the colors pincushion. When I shut the tv down for any period of time the Red and Blue does not stay aligned and I have to go back to the service mode to correct the issues all over again.

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  • scott893 Mar 07, 2009

    It bows Left and Right

  • scott893 Mar 12, 2009

    Hey Dan,
    Any luck yet. Still need some help
    thanks,
    Scott


  • scott893 Apr 28, 2009

    Any helper out there. I have had no luck looking in other places.

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Please let me know in which direction the picture is distorted. Does it bow in from the top and bottom or left and right?

Thanks,
Dan

Posted on Mar 06, 2009

  • ABRsvcs Mar 07, 2009

    Thanks for the update. Yes that is a pincushion problem that is not related to the convergence parts that you replaced. I will look up your specific model to supply you with the parts in the pincushion circuit.



    Dan

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Ur convergence is dead.Must know how to solders?Must replaced 2 STK convergence ICS and some or all it resistors.Tries websites Tv repair World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost u $300 for parts and labors to fix.

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http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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