Samsung UN55LS003AF - One Connect; TV Powers on with no on Screen Video or Menu

4-7. One Connect
4-7-1. TV Power’s On with no on screen video or menu
Power the TV "1. OFF".
Unplug One Connect Cable to the TV.2.
Power the TV "3. ON"
[One Connect disconnect banner will appear.]
If there is a problem in the One Connect and the TV Panel is OK the disconnect banner will appear.4.
Replace defective One Connect Board.5.
One Connect Cable 9
One Connect Board 9
One Connect SMPS 9
4-16
4. Troubleshooting