TV Repair Need Help Fixing/Turning back on

Anyone Have this issue with there TV So I have a RCA SmarTVirtuoso 65' I was listening to music on my console and walked out of my room for 5 to 10 minutes came back in my room and my TV had turned off I tried turning it back on but no budge when I press the power button on the bottom it would flash red and then would be the normal red color as if you were to turn it on but when you press it it just goes blank and nothing happens if you flash your phone brightness on the TV you can see that it's slightly on but not fully on Know what to fix it Please Help if you fix TVs or Work with them Before 🙏🙏