set came in dead with b+ fuse blown,no shorts found,played for a day fine,pulls down from top first,then from sides,then is ok.tapping does not affect,very intermittent.anyone seen this?"CA"chassis : please any tips or suggestions appreciated. 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.