LG C7 Issue - small uniform squares?

djmmm

Novice Member
Hi guys,
Just recently I've noticed that I can actually see small uniform squares lined up across the panel. It is mostly unnoticeable until the scene shows certain brightness/colour and it becomes really distracting.

I also notice that on certain screen I can see like split screen of completely different contrast, like the screen is made up of 2 panels glued together on 50/50 ratio (one side is sliiiiightly darker than the other).

Obviously this is not normal, but is it a common problem and do you guys know how to fix it? TV is 65" C7. I've uploaded the pic on the link below. It's a bit hard to take the pic showing the squares but you can see it. It is across the screen lined perfectly. Thanks guys
Imgur
 

NM2160

Well-known Member
Hi guys,
Just recently I've noticed that I can actually see small uniform squares lined up across the panel. It is mostly unnoticeable until the scene shows certain brightness/colour and it becomes really distracting.

I also notice that on certain screen I can see like split screen of completely different contrast, like the screen is made up of 2 panels glued together on 50/50 ratio (one side is sliiiiightly darker than the other).

Obviously this is not normal, but is it a common problem and do you guys know how to fix it? TV is 65" C7. I've uploaded the pic on the link below. It's a bit hard to take the pic showing the squares but you can see it. It is across the screen lined perfectly. Thanks guys
Imgur
Have you tried running a 'pixel refresher' cycle ?.
 

djmmm

Novice Member
I have tried that several times. Still there. It doesnt look like stuck pixels but the squares do look like image burn but I know for sure they're not image burn as I've never watched anything with 2 rows of small squares perfectly lined up horizontally....
 

giggsy1950

Active Member
I suspect the squares are there because it's a low quality image you are viewing (compressed) but I don't notice one side of the panel being darker than the other?
 

djmmm

Novice Member
Nope - it's all on all content - youtube, netflix 4k, etc. Actually theyre rectangles not squares.
 

anticlaus105

Well-known Member
Is this posterisation? If a decent quality sorce it could be due to your image settings. Have you tried any of the recommended settings knocking around here?

The 50:50 issue sounds like something else though.
 

giggsy1950

Active Member
As anticlaus105 says it would be worth looking at your settings (noise reduction etc.) That doesn't help with the other issue though unfortunately.
 

djmmm

Novice Member
I got a reply from LG customer care - they asked me to do "clear panel noise" action and turn off TV for 15 minutes and repeat 2 more times.
Don't have this clear panel noise option on this TV, only pixel refresher. Not sure if it's the same or not though. Still waiting for their response.
 

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