I bought an intellivision 1 on ebay about two years ago and when i tested it it didn't work. i attempted to repair it and couldn't do it. I even removed the shielding and checked the board. I have no clue what im really doing do I decided to send some pictures. I cleaned it and couldn't figure out what was wrong. it has black screen with interference when i tried booting it up. I originally got nothing and thought the rf switchbox was broken but the cable was so i used and yellow double ended composite wire and tested it then i got the black screen. I know the box and cable works because i tested it on my model 1 genesis. anyway, let me know if you guys see the problem. Thanks!