Is there any way to display my iPhone on my CRT TV set?

Is there any way to display my iPhone on my CRT TV set?

Take the cpu out of it

You may very well have the last CRT television in existence.

You would need two adapters. An iPhone to HDMI (the type depends on how old your iPhone is) and then an HDMI to video converter. Both will be widely available on Amazon etc. Not worth the effort IMHO.