Kotaku
Chances are if you've ever owned or played a NES, you've experienced the blinking screen or have had trouble playing your games. The cause for all these problems is bad electrical connections between your game cartridges and the NES console caused by dirt, corrosion or broken copper contacts.With a little patience, you can restore your NES and games to a like-new condition. This guide will help you disassemble your console and show you the areas you need to focus on when cleaning and reconditioning. No electronics skills are needed to follow this guide.
This article by a mysterious benefactor named Josh Boudreau is truly philanthropic, and will hopefully stay up forever. Step-by-step instructions, including photographs, that make it gloriously easy to get your cute little NES back in action.
And because this post is pretty short, I'll also tell you that this image is what I found when I Googled "Broken NES". He is apparently an electronic music dude. I tried to listen to his stuff but all his links were broken.
NES Console Repair [Kfoo.net, via Aeropause]
