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Thread Starter 
OK so I am hoping there is a tech who can at least answer a simple question. I tweaked my service menu and now I have a horizontal while line across top of TV. I have a tech coming Monday but can somebody tell me if there is a chance that this is not fixable? Does the service manual for this TV show the original settings so a tech can go through and deternine what I changed to correct the problem? Is the tech going to just tell me I need a whole new chip because that is easier? Is it possible the tech will not know what I did and just tell me I am out of luck? Is it possible that what I did is not reversable?

I guess I just want to know what approach a tech would take to fix this issue.