Question about Hitachi UltraVision 55HDS52 Television
Our televsion has double vision image on all images except in the middle portion of the tv screen. Same is true for the yellow color. It's most apparent from the top and bottom center. Has anyone had a similiar problem or solution to this problem?
This looks like bad convergance. If only one color is affected it may be one of the convergance IC's. It is best to replace both IC's though. If you change the IC's then check the resistors next to the IC's. Use the exact part numbers. STK392-110 IC's can be upgraded to a STK392-180 for better heat strength. (That is why they blow, too much heat generated. Use a liberal amount of Silicone Heat sink compound.) A shorted IC will usually blow a resistor. If a bad resistor that isn't changed it will look like the new chip is bad. Make sure that you use the same wattage and the exact value (Ohms). Your convergance will not be right with an off value resistor. This info works for about any other brand Projo TV. Cheers, Lee http://www.crazycomputers.com
Posted on Jul 28, 2007
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