If you absolutely, cannot figure it out by ear, then check http://toolshed.down.net . They should have a good one. Also check the back issues of BP magazine. There's one with Justin Chancellor on the cover which has the main riif to Schism inside. I still say learn it by ear though.
Here are some related products that TB members are talking about. Clicking on a product will take you to TB’s partner, Primary, where you can find links to TB discussions about these products. Browser not compatible