> Time for plan B Maybe a PTC thermistor ? I think every CRT TV / monitor had one, between the mains on/off switch and PSU input. Usually an easily identifiable black disk Joe ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2016.0.7858 / Virus Database: 4664/13213 - Release Date: 10/15/16 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .