Question about Panasonic PT-47WX49 47" Rear Projection Television
All of the sudden, I turn on the TV and there are curved blue lines going across the screen and also thin blue reflections vertically offset from the picture. Tried adjusting the convergence, which moved the streaks around slightly, but didn't get rid of them. I popped off the back cover, and when I covered the blue light with a piece of paper, the streaks were gone, so it must be something in that bulb, right? I've heard of bulbs and/or tuner blocks going bad on these. Any ideas about what I should do? I'm not a tv techy by no means at all, but I could probably change a bulb. If so, where can I get parts?
I have an older Panasonic Rear Projection HDTV and I just replaced the amp IC's - now the color is off, I can't get a vivid picture. It seems as if there is a greenish tint that I just can't get rid of - - - any thoughts on what this might be?
Posted on Feb 01, 2008
It is not a bulb. It is a picture tube. If there are thin blue lines across the entire screen, not just the edges, and the picture itself looks too blue, it means that the blue picture tube is being driven too hard. This could be because the blue screen voltage is too high, the boost voltage on the blue picture tube is too low, or the video output is leaky or shorted. If the picture has what looks like blue arcs and double images on one or more sides of the picture, it means that one of your convergence IC's has burned out and needs to be replaced. These are things that should be tested and serviced by a qualified tech, so allow an experienced tech to handle it for you.
Posted on Sep 07, 2007
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Posted on Jan 02, 2017
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