Set dead.Pulled chassis to shop w/o keyboard.SMPS working and when relay actuated pulse appears at HOR. Collector.I went to signal board and with AC power applied I cant find a clock freq. 5VDC and 9VDC standby OK and I measured +5 on uproc.Does anyone have a signal bd schema they are willing to share .Can anyone tell me anything concerning common faults w/this model.Regards, Pete ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/