Thanks oldphaser. I think I will use your list as the basis for an electrolytic order. Once that's in the house I'll open it up, clean it out and see what else needs to be replaced. Worst that can happen is I have some more capacitors to add to my stash.
So I decided that I would like to hook up my 4000 to my WOPL 400 which is currently being driven by a rebuilt Marantz 3250. Before I do this I would like to recap the 4000. I've searched to the best of my ability for a parts list or a rebuild thread but wasn't able to locate anything.
Can...
Finished
After a recap and some other trouble-shooting I decided to stop throwing good money after bad and bought the replacement boards. The LED's now dance as they should and the amp still sounds terrific.
I have an original 400 in the queue that is going to get the full-comp treatment but...
I had an informative conversation with Ed and I'm going to do some troubleshooting. If I am then unable to get the boards working I'll go with new boards as I don't want to invest a lot of time or money into the existing boards.
I have a 400 that I have rebuilt as full comp with the White Oak boards. When I purchased the amp it was not working and someone had attempted to do a repair on the LED boards and had lifted traces and otherwise made a mess of it. The amp is now working and sounds great but the LED boards are...