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david_mn

Modded ColecoVision - Atari adapter only displays B&W

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I bought a CV on eBay with an A/V mode. It works fine and looks great on my HDTV. Recently I bought an Atari adapter for it. It only output B&W video. Thinking that the adapter was faulty, I got ordered another one. In the meantime I found my original Atari adapter in the basement.

 

So, I've tried three adapters in the CV and they all output B&W video. Is it a quirk of the A/V mod or is it something I need to try and adjust on my TV? Anyone ever experience anything similar?

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Is there a chance that you're plugging the composite video jack into a component (red, green, blue) connection port on your TV? If you do that, you'll get a very sharp, but B&W image.

Edited by Zenimus

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Everything is NTSC. Coleco games play/display just fine.

 

CV video output is composit as is the input on the TV. Red/White/Yellow.

Edited by david_mn

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Just a guess...is the Color/BW switch set correctly on the 2600 module?

 

I bought a CV on eBay with an A/V mode. It works fine and looks great on my HDTV. Recently I bought an Atari adapter for it. It only output B&W video. Thinking that the adapter was faulty, I got ordered another one. In the meantime I found my original Atari adapter in the basement.

 

So, I've tried three adapters in the CV and they all output B&W video. Is it a quirk of the A/V mod or is it something I need to try and adjust on my TV? Anyone ever experience anything similar?

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The only change from Color/BW switch is to change it from fuzzy B&W (color mode) to sharper B&W (B&W mode).

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Ah, OK...I had no idea. I never owned an original 2600, just the Coleco expansion module version and as my original was ages ago I forgot what the switch was for.

 

The only change from Color/BW switch is to change it from fuzzy B&W (color mode) to sharper B&W (B&W mode).

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