My tv is turning off itself after a few seconds and I can't change the channels. This problem starts when I open the google and search the movie tube. How can I fix this?

That sounds like a voice command problem for this Chicago, Illinois based channel. Refer to the station by its number on your subscription package, like "Alexa channel 1105 on tv".

https://www.google.com/search?q=wgn+-+tv

Use Alexa with your Samsung TV or smart monitor

Samsung https://www.samsung.com > answer > ANS00087622
Amazon Alexa is now built-in on Samsung TVs and smart monitors! You can ask Alexa to change the channel, open apps, search for movies and shows, play music, ...

How to connect your Samsung smart TV to Alexa

Tom's Guide https://www.tomsguide.com > How-to > TV
Apr 5, 2023 - Step 1: Set up your devices. First, make sure that both your Samsung TV and your Amazon Alexa device are set up and workings.
Can Alexa change TV channels? As long as you're using the TV's built-in tuner, you can use Alexa to change TV channels. Just say something like "Alexa, channel 7 on TV" or "Alexa, change channel to [channel name] on [TV name]."Nov 1, 2022

How to control your TV with Alexa like you live in 3022

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Replace the main board

Do a GOOGLE search for the manual!

Did you happen to lose home power even for a few seconds when this happened? It may have reset itself for a default input such as composite video instead of cable or HDMI. In that case, no matter how much you change channels you'll get nothing. If you have a cable box the TV may have changed to channel 2 or 4 instead of 3 which is what's needed.

P.S. all the manuals I see say it's an LCD not Plasma.

channel + or - switch is stucked in,,or broken plastic stucked in ,watch thorougly

channel button may be sticky on the tv itself

Change the input, look for the button on the remote or on the TV itself. Just changing the channel on the TV after powering down the VCR should also work.

I had the same problem. Tech support told me to turn the tv off, then unplug it. Then hold the power button (on the tv - on the bottom of left side) in for 30 seconds and try again. This did solve my problem.

I have a vhs and dvd player all in one
I have a converter box hooked up to my tv and vcr , dvd player combined
I can play my movies on the tv. ok.
you have to have your tv and vcr set on channel 3. if that is what your main tv is set up with. Or 4 if you have your tv set up with that.
Mine plays ok. My settings are for channel 3
My suggestion would be to check your hook ups. maybe they are not hooked up correctly
I had to go to www.google.com and did searches to help with hook up.
I can also record station I am watching with vcr on vsh tapes. I do not have a dvd recorder.
I found out that you have to have 2 converter boxes hooked to one tv., in order to record on on station while watching another. I have not tried that, as I don't have 2 converter boxes for one tv. I found that by doing google search also. Good Luck

first place to start on this chasss is with a known failure in the horizontal circuit. there is a capacitor 2455 and 2 transistors locations 7461 and 7463 that have caused a wide variety of failures. i would recommend replacing these components before proceeding as they could be the whole of the problem.

You apparently have a high voltage arc. Possibly the anode lead to your picture tube. Also the flyback transformer could be arcing. If you're not experience with tv repair, you need to have a tech check it for you. The circuits operate at very high voltage and if you get into it you can get a possibly fatal electrical shock. Be careful !!! Stargazer