which is off pin 1 of IC701, the STRF6626. We installed a 680R based on tips for close model numbers but the supply just pulses on/off. With R707 removed the set runs ok but squeals. Also have replaced STRF6625, SE125N, D710, R705, D715 and a few caps. TIA for looking it up, ******************************************************************************************************************* Since 1972 Jim Myers Telrad Electronics Fort Wayne, Indiana ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/