Gang, I need schematics for a 3030A. in particular the "FRONT END BD." 3031A and 3040A may be similar. I have a short on the +20 bus. Q1 is suspect. 8-pin TO-5, just says Hong Kong. What is it? Any help appreciated, Al -- Al Klase - N3FRQ http://www.skywaves.ar88.net/