Got a LG with color static frozen. Doesn't move just stays on this picture. I'd assume it's main board but I'm sure one of you has seen this before. Any data helps thanks
LG 75UH8500 color static frozen
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you need to reduce load on the set... for example disconnect speaker... Wifi/BT module... the side control keys disconnect it... in case you have one keys always pressed--- .. use HDMI signal via ARC HDMIL port to ölet the set sync and switched to HDMI Input...Comment
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It’s definitely the main board. Test the caps in ohm mode around the big BGA chips. Which ever chip has the low ohms caps near is the problem.
you can try a reflow for testing but my experience with this model lg is you have to replace it. I’ve never got a reflow to work
you can buy the chips but they come from China so takes a while to get and need BGA workstation.
Mainboards are getting expensive and almost impossible to find for this model though and will just have the same fateComment
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