Vizio 70" Screen Problems

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The backlight on three quadrants of the screen went out. After some research, I decided to replace the light strips. It was a lot of work, but pretty straight forward. When I turned it on after the repair, some of the backlights were going in and out, but now the screen is glitching. I checked all the repair work, and everything is fine. I read about power supply issues, but I'm unsure how to test this.


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