I've searched high and low on the web (Google) and have only found references to people who bought the factory service manual to learn the tricks....and they warn of the possibility of
Fubaring it.
http://www.members.accessus.net/~090/awh/how2adj.html
A Toshiba site but the wrong model:
http://www.mindspring.com/~jzyber/toshibatv.htm
Anthony