@razielsd this could be a multitude of things. the constant blinking (no pattern) is indicative of an error with the power management system. The quickest way to test is by disconnecting the main board from the power supply board, plug in the power supply board, after that you should see some lights in the screw holes if the power supply is good. If you do not, then you can move on to the mainboard. Worst case scenario would be a bad panel, which can also cause this error. It might help if you post some images of the back of your TV with the cover removed as well as images of the different boards. Of course, a bad capacitor is always a possibility as well. Post some images of your boards with your question. That way we can see what you see. Use this guide for that.
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