I know its old, but told the customer I would see what I could do! powers up but then immediately shuts down. Suspect regulator prob. found C3412 destroyed. I need the value of C3412 if someone can help me! Hot tested ok! Thanks paul PLC Electronics 103 Bradshaw Center, TX. 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.