Question about Hitachi 43UWX10B 43" Rear Projection Television

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Hitachi 43 Rear Projection

The picture seems to have waves of color, primarily red & green, which roll up then roll down across the picture.

I first suspect the DirecTV HD receiver is hot, it lives in the cabinet under the TV.It seems that local off the air broadcast seem fine. Another suspect is the weather is affecting the reception causing some form of phase shift in the signal. The lower channels ie: less 100 seem to come in clear and shape, while the channels in the mid 200 to 350 seem worst than above 500.
So is there anything I need to check regrading the TV ?

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  • Stdsteve Dec 22, 2007

    Thanks for the advice...
    Rebooted the "box" a few times with the same results. DVD works good, it is not a Hi-Def version, so 720p is best results. When S-video is feed thru DVD-R, works good. Now for the real kicker, when resolution from DirectV box is set to 480i, 720i, or 1080i, then waves of color and appears to be rectangles of colors, sort like the old CRT black matrix sets. But, when resolution is set to 480p or 720p the picture looks great. Another observation made, that when the "blue" cable is connected or not, the wave of poor resolution appears in the interlace mode. Why is that you suppose ? For now until DirectV figures out how to solve their bandwidth issue, we will just have to be satisfied with 720p for all channels. Got any any other suggestions.

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Steve, I would say that the problem is with the Direct box, simplest way to verify that would be to disconnect the box from your set & hook-up a DVD player to the tv and run it, if the picture is normal, probably the box. That test does not rule out the tuner in the tv but is a start. Have you tried re-booting the box by removing the AC cord from the box for 30 seconds and then plugging it back in ? Be advised it may take as long as 5 minutes for the box to boot back up once you plug it back in, try these things and let me know results, BMW Rider

Posted on Dec 11, 2007

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