Question about Hitachi Director's Series 57XWX20B 57" Rear Projection Television

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The set is a Hitachi Ultravision Digital Model #57XWX20B. The picture "Ghosts" red. When runnung the Magic Focus, it stops on the 5th red line and goes no further. In low light scenes, it blacks out in a blinking manner.

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The Convergence IC's need to be replaced. They are located on the Board to the right, mounted on a large heat sink. They should be replaced with STK392-150's. The original IC's are probably STK392-110's.
The Stk392-150 is a updated replacement. Be sure to use Heat Sink Compound between the IC's and heatsink because these IC's do draw alot of current and heat up alot. Also look for any heat stressed Resisters.
I hope this helps,
Sky Assoc

Posted on Feb 08, 2010

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