Thank for all the help t.v had loud squeeling noise even in standby mode. as suggested replaced = caps by smps, took noise out but t.v still was dead. Next step was to = replaced i.c 801 this is the control for the voltage regulator. That took = care of the problem. Rafael. Rafael Gallegos Lead electronics technician Rockford corp. ***************************************** Help make your TechAssist online repair tips database better! Submit your fixes here: http://www.circuitwork.com/techassist/tip/#tips ***************************************** To UNSUBSCRIBE write to: techassist-request@xxxxxxxxxxxxx with unsubscribe in the subject line.