An friend just contacted me about his old (But RETRO!!) Commodore 64 which emitted a lot of smoke when he turned it on. I got a picture of the mainboard, which in my opinon not much good, looks like moisture, but i am not sure. Who can give an correct answer?

Greetings, MisterManiac

http://members.home.nl/mhemmelder/c64.jpg
Look in the direction of the CPU (6502).