When I have Fr input of channel 3 it displays on channel 8 and channel 4 is on channel 12 a little snowy and has some static, IF input is on channel 3. Video input is on channel 91 and excellent. I don't have a sam on this chassis. could use some help. Thanks Dave 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.