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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Projection TV - only shows picture in Red - HELP
I have a Samsung HCM553W rear projection TV that is only showing the picture
in red. I took the screen off and I can see all 3 color guns, Green, Blue and Red. All 3 are lit up, but only the Red on has a picture in it. The other 2 are just lit green and blue. It looks like they are not getting a video signal. Has anyone ever seen anything like this ? Thanks in advance. Bill http://www.USENETHOST.com 100% Uncensored , 100% Anonymous, 5$/month Only! |
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Projection TV - only shows picture in Red - HELP
Bill wrote:
I have a Samsung HCM553W rear projection TV that is only showing the picture in red. I took the screen off and I can see all 3 color guns, Green, Blue and Red. All 3 are lit up, but only the Red on has a picture in it. The other 2 are just lit green and blue. It looks like they are not getting a video signal. Has anyone ever seen anything like this ? What's the video source? External component? Perhaps the G and B cables have come unplugged. Or someone's kid could have been screwing with the DVD remote and cranked the G and B levels to zero. If its using an internal source (tuner), there could be a loose connector or board inside. Has the set been moved recently? If its not that, I'd start looking around the color demodulation stage. I find it odd that two channels downstream of that would go bad simultaneously. Thanks in advance. Bill http://www.USENETHOST.com 100% Uncensored , 100% Anonymous, 5$/month Only! -- Paul Hovnanian ---------------------------------------------------------------------- Have gnu, will travel. |
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