Putting the good old Atari 2600 to a proper view, needs some help of a little s-video pcb.
I done the mod and show some pictures comparing video Signal and S-video. I will prefer S-video and better RGB see other post.
Opening the 2600 and go to the TIA chip. Here you have to solder some wires
upper side
(lift pin 9 and 13 and solder the two wires directly to the TIA Chip)
wiring of S-Video/A/V cable
Some pics
(Video Signal)
(S-Video)
(Video)
(S-Video)