I have been battling this one for 3 weeks at least Shuts down at turn-on - no time to check voltages. Replaced IC 502 - checked -13 & +13v supply resistors from flyback replaced flyback transformer - D606 - R626 (.47 1/2w ) open. Replaced IC 601 and checked numerous diodes etc. Problem still persists. Does anybody have any suggestions on this one? Any help would be greatly appreciated Ernie Niessen Valley TV & Stereo 9401 Fletcher St. Chilliwack, B.C. V2P 4Z4 Canada Since 1960 valleytv@xxxxxxxxxxxx ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/