playing old games on my new tv

i have a saga megadrive an atari 2600 and a snes and a nice digital tv but when i put the tv on analog i cant seem to find any of the consoles any clue how to get them to work?

here is a good guide it what i used this guide
jeff-o7 years ago
Which connection are you using, the cable TV connector or the yellow composite input?
nonamesleft (author)  jeff-o7 years ago
it has the bog standard ariel conector on the back
Well, in that case make sure the TV is not only set to analog in, but also the right channel. Probably channel 3 or 4.