Hello all,
Glad I stumbled upon this forum--looks like a lot of helpful folks here. I've got a Westinghouse LVM-42w2 TV (actually it's technically just a monitor as it lacks any kind of TV tuner) that in the last month has developed horizontal "stripes" (for lack of a better word) of pixels. I tried all the usual stuff of unplugging from power for a few hours, making sure it had adequate cooling, and resetting all settings to defaults with no change.
So I went to work testing all the inputs and resolutions. The first thing I determined is that they are not "stuck" pixels on the panel. I was able to make the stripes go away by switching to 640x480 resolution, on any input. The pixels also also change color and "dance" around on the screen. On some of the lower resolutions like 1024x768 and 1280x720 the stripes are present, larger, and towards the lower half of the screen. On 1920x1080 (the panel's native resolution) the stripes are smaller and show up towards the top of the screen. The stripes show up no matter what input I am using--HDMI, VGA, component are the ones I've tried (so both digital and analog inputs).
Otherwise the picture is stable. I've watched various things despite the line for a few hours at a time with no other apparent problems.
So having done a bit of research (I am no electronics expert, just a decent googler) my guess is that the problem lies in the T-Con board. From what I can tell, the T-Con basically "translates" the signals from the various inputs into the proper language the panel itself speaks. Perhaps a bad analogy, but that was my understanding of it. So given that the problem is not the panel itself (as evidenced by the fact that the stripes go away when the resolution is set to 640x480) and is not confined to any particular input, the T-Con seems to me to be a good place to start.
But I thought I would run it by you guys to see if you think I'm on the right track or not. Looks like T-Con boards for this set are readily available on the net, but I wouldn't buy one without first taking the back off my set and looking at the particular board number.
I've attached some photos of the effect I'm seeing. Would love to be able to get this set running again since it's only about three years old.
Much appreciate any guidance!
Dan
Glad I stumbled upon this forum--looks like a lot of helpful folks here. I've got a Westinghouse LVM-42w2 TV (actually it's technically just a monitor as it lacks any kind of TV tuner) that in the last month has developed horizontal "stripes" (for lack of a better word) of pixels. I tried all the usual stuff of unplugging from power for a few hours, making sure it had adequate cooling, and resetting all settings to defaults with no change.
So I went to work testing all the inputs and resolutions. The first thing I determined is that they are not "stuck" pixels on the panel. I was able to make the stripes go away by switching to 640x480 resolution, on any input. The pixels also also change color and "dance" around on the screen. On some of the lower resolutions like 1024x768 and 1280x720 the stripes are present, larger, and towards the lower half of the screen. On 1920x1080 (the panel's native resolution) the stripes are smaller and show up towards the top of the screen. The stripes show up no matter what input I am using--HDMI, VGA, component are the ones I've tried (so both digital and analog inputs).
Otherwise the picture is stable. I've watched various things despite the line for a few hours at a time with no other apparent problems.
So having done a bit of research (I am no electronics expert, just a decent googler) my guess is that the problem lies in the T-Con board. From what I can tell, the T-Con basically "translates" the signals from the various inputs into the proper language the panel itself speaks. Perhaps a bad analogy, but that was my understanding of it. So given that the problem is not the panel itself (as evidenced by the fact that the stripes go away when the resolution is set to 640x480) and is not confined to any particular input, the T-Con seems to me to be a good place to start.
But I thought I would run it by you guys to see if you think I'm on the right track or not. Looks like T-Con boards for this set are readily available on the net, but I wouldn't buy one without first taking the back off my set and looking at the particular board number.
I've attached some photos of the effect I'm seeing. Would love to be able to get this set running again since it's only about three years old.
Much appreciate any guidance!
Dan
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