Talking about alignment, I watched a video today that made it look easy but I'm sure a service manual would help a lot. I think the manual would take you step by set through the process. Right now I'm getting some tubes that I need for the set that will hopefully improve the sound quality. I don't think I'll be replaceing any caps unless they just call for it. Here's the video.
http://www.youtube.com/watch?v=o8eK2CyDmiY