40TL933F - lost the signal while turning on Xbox or ADSl box TV

Hello everyone,

I just bought a 40TL933F yesterday and I watch TV via an antenna: everything is good, but when I turn my xbox or my router, the signal is lost. He then reappears when I turn my xbox.

Does anyone have an idea to explain and fix it?
Thanks for your answers,

Socrate25

Would it be possible that your TV will automatically switch to the channel where the Xbox is connected?

I have another TV and something similar happens to me if I turn on my blue ray player.
The TV detects the blueray drive and will automatically switch to the HDMI port where is connected the BD player.

Tags: Toshiba

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