Thank you for your answers.
dssexpert my cable is RG6 Quad sheeld and I use the right connector, I have experience 5 years in cable tv and now 5 years in company where I'm
installer on Low voltage equipment...cable, CAT5 and...
For the pictures no picture/sound I have check everiyhing, but only this work, when I disconect the main power for 10 to 30 minutes.
The same is now with the motor. I disconect the power yestarday and plug in back today and motor now is working, but to be shure I wil change my F-connectors and will see, if is fix I will write you again. Thank you for help.