I drew out all the s&s circuits a little while ago have a look [link=http://www.rcuniverse.com/forum/m_7287428/anchors_7289704/mpage_1/key_/anchor/tm.htm#7289704]here[/link]
You can find data on them if you look on the Toshiba website The bad news is they are now obsolete, and I'm not sure if any one is doing a 'me to' replacement.

Yours Simon M.