Hi Chris; I could use a schematic for a Bogen CHS-100A. If you have it could you email it to me? Jim Offerdahl mailto:jim@q107fm.com Pine to Prarie Broadcasting, Inc. KKCQ AM&FM/KKEQ FM PO Box 606 Hiway 2 East Fosston, MN 56542 (218) 435-1919 [demime 1.01a removed an attachment of type application/ms-tnef which had a name of winmail.dat]