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LG OLED55C9PUA Turns on then immediately shuts off. Sometimes it shows a brief flash of pixels. Stand by power light is on. Should I replace the power supply board or is it
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Amazon.com: LG B3 Series 55-Inch Class OLED Smart TV OLED55B3PUA, 2023 - AI-Powered 4K TV, Alexa Built-in, Black : Electronics
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