@jmorris The sense of too much is hard to convey with just a few images. It’s well organized into pages and makes sense. It just keeps going and it’s the sum total of it that makes it overwhelming. Here’s the service manual where it all lives: https://segaretro.org/images/4/4e/Sega_Service_Manual_-_Sega_Saturn_%28PAL%29_-_013-1_-_June_1995.pdf