Chosen Solution

My AppleTV 4K won’t turn on and I believe I need to replace the power supply. Looks to be straight forward. However, I don’t know where to buy a new power supply. iFixit.com does not sell them. Any suggestions?

I found this one on eBay Apple TV 4K TV4K A1842 PA-1310-2A REV X2 Internal Power Supply Board. Before you make the jump try a second power cord. You could still have a logic board failure. Make sure you can return it so you don’t waste your money.

I am going to try this:

https://www.newegg.com/ HomeElectronicsPortable Electronic DevicesPDA AccessoriesThinkstarItem#: 9SIAJ90ATG3647