Recently I have received a Mattel Intellivision from one of my parents friends, who kept the boxes and manuals to every single game. I running into a fuzzy image, even when I clean the cartridge slot I still have to fettle with it to work. Some games work fine, while others are completely unplayable even when they do work. From my research so far it may be a chip issue or bad capacitor. I also don't have the best soldering skills. I am using a hdtv, but I do not think that would matter because I have Atari 2600 and its...