I have this unit for repair. the only problem is that the picture is not centered when it is in regular mode. but it is normal in wide screen mode. Is this unit defective. ? or just adjustment is service mode ? what is the service mode? thank you Dennis Co act@xxxxxxxxxxx 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.