No offence…but will you really see an improvement? I have never heard of anyone performing these mods on a Colecovision. However, I did find this web site http://www.a1k0n.net/projects/coleco/howto.html. Hope this helps!
I've modded 8 ColecoVision game consoles so far, and the picture quality is incredible. The sound is nice too. There are no more blinking or misplaced sprites and no audio humming. One of the guys I sold one to e-mailed me after he got it. He said that he hooked it up to his 46" tv and said it looked amazing. I've got one on Ebay now.
calecovision kicked butt it was way better than atarti to bad it wasnt a hot seller I only knew one person who had it
Burgertime
this baseball game ect
wow your auctions at $129 congrats
personally id have a hard time paying $10 for one myself but thats just me