My brand new 2010 Samsung LN40C630 is out of sync with the other four (4) flat panel, DTVs (2007-2009 models) we have in our home. It may just be the audio (echo) but it looks like audio and video are out of sync with the other TVs. They are all connected to standard (non-digital) cable with no converter box. Any suggestion to fix this problem? What is remote code to access the TV's service menu?
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