I recently got an N64 pikachu edition with both stadium games and 2 transfer paks, all in great condition. I was so stoked to do more pokemon autism since im a gen 2 nerd but once i powered on the thing, sound wasnt working. I did almost everything, i cleaned the ports, i tested my wii u on the tv through composite to see if thats fucked, i bought another AV cable, i resoldered a seemingly weak spot on the AV port and i even took it apart, did some small cleaning in places and none of it helped at all so from the things i looked up online, there's a chance that it might be a faulty sound amplyfier chip which i might need to resolder or outright remove and replace with some wiring. I'll have a friend over today after work who's more hardware savvy to help out and hopefully fix it. I grew up with the PS1 but there's something about playing pokemon through the GB Tower that is extremely comfy to me.