B&W Output From Modulator
When using a Mercury RF modulator connected to an early 70s Sony Colour set, some sources display in black and white. You can often see SOME faint colour present, but very little. For all intents it is black and white.
DVD player, VCR, all fine through the same modulator. But for example, modern Atari joystick with built in games and composite output - B&W.
Just curious the technical reason why this is and whether it can be rectified somehow?
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