I tried different settings in the service menu with one of them the TV started to download something think wait after a long time turned off then turned on and I had to set everything again I programmed the channels returned programs and programs NETWORK all normally, but the TV stopped responding to some buttons on the remote control. Turns on with the remote control but does not turn off you can not change the program does not work CH LIST, SOURCE
Added after 11 [hours] 43 [minutes]: I searched the net and found on this page
https://it-stasiakk.blogspot.com/2012/02/aktywacja-pvr-w-telewizorach-samsung.html I entered the service menu Control options (HOTEL and SHOP) are set from the service menu (info menu mute power) -> control
Check the KEY SENSITIVITY positions in SUBOPTION and
set
HOTEL OPTION OFF AND SHOP OPTION OFF
Thank you all for your help solved problem I close the topic, Regards.
Added after 1 [minutes]: Control options (HOTEL and SHOP) are set from the service menu (info menu mute power) -> control
Check the KEY SENSITIVITY positions in SUBOPTION and
set
HOTEL OPTION OFF AND SHOP OPTION OFF