Hi Jeff,
Thanks for your link ATX Power Supply Schematic http://
www.google.com/search?q=atx+power+supply+schematic&hl=en&prmd=...
Could not find any schematic for ilssan model ISP 120SI
When I searched used
http://www.google.com/search?as_q=il...images&as_st=y
but also found No ilssan schematics.
Ken