blue shimmering patch on screen - Canadian TV, Computing and Home Theatre Forums
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post #1 of 4 (permalink) Old 2011-10-23, 02:50 PM Thread Starter
Join Date: Dec 2004
Posts: 77
blue shimmering patch on screen

I have the Samsung HP-S4233 - 42" Plasma and im noticing sometimes in the bottom left corner of the screen a blue shimmering of random patches of blue pixels show up (flicker); they don't stay on permanently. Why is it doing this ? and what exactly is it?

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post #2 of 4 (permalink) Old 2011-10-23, 03:47 PM Thread Starter
Join Date: Dec 2004
Posts: 77
im thinking its error diffusion, from researching it.....
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post #3 of 4 (permalink) Old 2011-11-08, 09:39 AM
Join Date: May 2007
Location: Orillia, Ontario
Posts: 355
I actually saw a red "shimmer" across the top of my LG Plasma today for the first time.

I found an old thread here from 2008 that sounded like a similar problem. A couple people had swapped sets through warranty to fix the issue. One person mentioned just letting the set warm up though. I went back 15 minutes later, and sure enough, the problem was gone.

The million dollar question though: Is this a problem that's developing and may get worse? Or is this normal behavior that just never happened in the past, or I somehow missed it? (I've had the set for nearly a year now.)

It was a very faint set of red pixels, and you could barely see it in some light, but in other scenes it was much more noticeable. Needless to say, I didn't like it one bit. If it's a normal "warm up" problem, I can deal with that.

Edit: The thread I found earlier, some of the posts sounded like the "sparkles" may have been across most or all of the screen. Mine was definitely just on the top left, and a bit down the side. I'm curious what will happen tomorrow.

LG 50PJ550 / Samsung HW-D650s
Cisco 9865 PVR
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post #4 of 4 (permalink) Old 2011-11-08, 11:16 AM
Join Date: Feb 2009
Location: The Dandelion City
Posts: 7,131
Sparkles and noise can sometimes be caused by a bad cable or connection. Try reseating the HDMI cable to see if that helps.

At 20 I had a good mind. At 40 I had money. At 60 I've lost my mind and my money. Oh, to be 20 again. --Scary
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