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Can We Fix this LG OLED TV? How to Diagnose Your TV Before Ordering Parts!

Avoid ordering the incorrect part for your LG OLED TV! Demo model: OLED77B2PUA This tutorial applies to all LG OLED TVs First, remove the back cover and power cord If you power the TV on and hear a single relay click and the standby light flashes once, it means your main board is good. Test the power supply by checking the 23V and 12 volt rails ...

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