75mu7000 one connect issues

[Rimmer10]

Hi I have a 75mu7000  and my one  connect went so I bought another and got told if the connector is the same they will work .so that's what I did and it does not work I've been told that there is a setting that can be changed to make it work andy help please 

[obitv]

contact your local samsung authorised service centre or parts shop to buy the correct box for your model. The boxes from the KS model looks very much like the MU range but they don't work