QFT
Even LCD TV are picky for some reason. I had to return LCD TV twice because it didn't work with Nintendo 64. The first one only displayed red/yellow/green/black via composite but was normal with DVD player and same composite input. Second one kept spitting no signal, didn't matter which input or if I hired a witch doctor the only thing that worked was Blu-ray player and HDMI or over the air digital TV signal. The third one worked with most of my older game consoles and didn't give me trouble except with Atari 2600. (to be fair, Atari 2600 weren't NTSC spec and used lazy 240i and not properly output all 525 lines including blanking)
I've kept a few good CRT monitors just for the older game systems and for my Commodore 128D.