LG 55lx6500 No video, have audio. Replaced PSB and Main Board. Plhelp?

LG 55lx6500 No video, have audio. Replaced PSB and Main Board. Plhelp?

This TV was given to me about 2 years ago and the HDMI ports didn't work so I bought a HDMI adapter that plugged into the blue/green/etc component. I've been watching it for over a year like this. A month ago the screen went black. I've already did the flashlight test. I had some voltage issues and replaced both the PSB and Main Board. Thoughts? I really love this Tv

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