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JVC D-Series AV-36D304 weird pattern on screen

notsonic

notsonic

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I have a 36" JVC D-Series, model AV-36D304. It has a weird pattern on screen, regardless of inputs. Any ideas what might cause this? I haven't attempted any repairs or troubleshooting since it's a little unwieldy and I don't even know what to call the problem. It's most visible on solid darker colors but it's always present. It doesn't move.

PXL_20211012_233703230s.jpg PXL_20211012_233243483s.jpg
 
I'm not sure if it's fair to call it a moire pattern. Obviously there is one from taking a picture. I've highlighted some of it in paint. These are all visible to the eye. Theyre horizontal swoops along the full height of the screen, mostly visible on the edges.

PXL_20211012_233243483sm.jpg
 
Nope, it's dark lines in a repeating somewhat sinusoidal pattern along the whole height, mostly visible on the sides.

I had reached out to sharp image a while ago and they said they'd take a look. Maybe I'll just do that already.
 
I have the same tv I think, 36 inch jvc d series, it has the same thing depending on what it’s displaying. It’s normal, I still think it’s the best consumer crt for its size.

I suggest doing the following for this TV bcuz once it’s fully calibrated, component display is absolutely stunning: read both of these and even though one is about the Sony wega, you can still apply it to the d series service menu.

https://www.reddit.com/r/crtgaming/..._source=amp&utm_medium=&utm_content=post_body

https://socksfelloff.wordpress.com/2017/02/26/sony-trinitron-fv310-crt/
 

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That seems way more prominent than my set. I can't imagine they were like this brand new. I didn't notice this problem at first, only after using a mister with it (I swear the mister outputs unsafe analog signals).

But yeah aside whatever issue this is, this tv has been great. I picked it up for $20 a few years ago. I use it with an RGB2COMP (I don't see a need to RGB mod it). I like it a lot more than my 36" Vega. It's the perfect giant shadow mask consumer tv imo.
 
watch this video especially around 6:58

View: https://youtu.be/Vm1VEnwfB7s?si=Oag5DeNrCqGKEbvD


This is a fully recapped, reflowed, cleaned, professionally restored set and it still has the same effect as our sets on some backgrounds. It is just the nature of a giant shadow mask tv. I barely notice it and the overall exceptional quality of the colors and image outweighs this minor issue imo
 
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