sony trinitron universal chassis board

I'm looking for the chassis board of a KV-34FS13B, and I'm pretty sure other tvs of the same line uses the same board (such as KV-34FS13A, KV-34FS13C, KV-34FS17), so it could be a board for any of them too. Part of my board broke and I was already having problems with the TV before. I want to...