Hello forum

This is the problem we have
When we make a link with 1 hdmi cable(1.4) between the 46pfl8007 and the humax 5200c cable HD recorder everything is alright but after a while the tv freezes and the remote of the humax and tv is not working any more (it's working again after a power of (switch back panel humax)
This happens not everytime on the same time, sometimes after 20 min then again after 45 min
We checkt out with another hdmi cable but this problem stay's


Please can you help us

BTW we make a firmware upgrade latest version for the tv and humax

thanks

greets marcel1964