Which pin should be pulled to switch HDMI?

Question

Arduino

Hello!
Such a question, I want to make hdmi switching without using an IR signal. Embed arduino in the TV board.
In what way can this be implemented?
Please do not specify the service manual, I assume that there are "standard" ways like closing hdmi contacts
TV LG 42s345t

Answer 1

> do not specify the service manual, I assume that there are "standard" ways like closing hdmi contacts
Well, find me something to close here?
I quickly opened the service manual for my TV and found everything there!

Answer 2

Take the signals from the IR diode and emulate them with an arduino connected to the signal receiver on the TV.

Answer 3

Epic.
But here the author will have to move away from the arduino and plunge into the reality of microcontrollers
forum.easyelectronics.ru/viewtopic.php?f=7&t=3684

Answer 4

At a minimum, you will have to deal with HDMI-CEC rainshadowtech.com/HdmiCecUsb.html

Answer 5

Maybe I’ll say nonsense, but still:
19 pin is even signed as hot plug detect, I guess if you close it, the TV will see the hdmi connection, and if you open it, it won’t see it. Only here on what to close horse-radish knows.