Tecnics KN2000 help?

My Dad has recently been having problems with his keyboard as it won't turn on, he is very good at fixing things (A Jack of all trades) but he needs a map of the cuircit Boards of the Tecnics KN2000, if you can point me in the right direction, or even better post a link to it i will be very appacative of it.

Thanks in advance,
Luke.

http://www.servicemanuals.net/results.aspx?type=SM&brand=112&model=KN2000