Are you referring to the AC power cord? That would most likely need to come from the TV manufacturer. If my search was accurate, that model number is a TCL TV. I don't have one of that brand, so I have no idea if it has a cord common with other TVs.
Dan Roku Stick (3600), Ultra (4640), Ultra (4670), Premiere (3920), Insignia 720p Roku TV, Sharp 4K Roku TV, Nvidia Shield, Windows 10 Pro x64 running Serviio and Plex on a wired Gigabit network.