My friend picked up with Marantz 2230 and sent me pics. This is the dirtiest receiver I've ever seen, and I've seen a lot of crud in my day. He used his pressure washer and a high-speed fan to dry it out. Don't try this at home folks - Watch this video to get a good idea of how this process goes. https://youtu.be/hUm8jjMdLkk?si=kRAJlIc3O96Xm1Ie
Check out these "after" pics.
