Problems getting into the Service Menu on new JVC HD-ILA TV's

Has anyone figured out how to get into the service menu on new model JVC HD-ILA. Two models are HD-70G886 & HD-61Z786. The procedure for last years model is press "SLEEP TIMER" then, press the "Video Status" & "Display" together. This does not work for new models. Any assistance would be appreciated. Thanks

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