Well I got the back off, no small feat with all those screws.
I found this on eBay, fits the symptoms, found a blown fuse on the YSUS board.
Do you think this is worth a try?
This isn't my set so they owner will have to risk the $ to buy the part but I do stand to make a few $ if I get it working.
http://www.ebay.com/itm/Akai-PDP42Z5...item27b5ce1a5e