No central input or distribution system. TV above the door has an HDMI cable in the cabinet above the sink (look on the top shelf, the antenna amplifier switch is also there).
Outside TV connections will be in one of the two outside storage bays below the TV (I think its the rear one--ours doesn't have an outside TV).
Bedroom TV doesn't have any connections--you just have to look around to the back and find the plugs.
Make sure you download and read Ed's excellent crowd sourced owner's manual for Axis/Vegas units:
http://www.thorforums.com/forums/f10...nual-4961.html
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