My Visio turns itself off and on when I change to one channel

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

Our Visio 42" flat screen TV did the same thing. It didn't happen that often but sometimes it would go darker or the sound would go off until I changed the channel or turned TV Off then back On. I contacted Visio through my warranty and they sent me a flash drive to install info on my TV. Did not fix the problems. A year later before warranty ended I contacted Visio again. They sent a huge box for me to pack my TV in to send to the warehouse where they fix everything. It took about 2 wks. to get it back. Worked fine for about 4 months and the problems continued. I will not buy another Visio TV. I found out that they had many problems with several models.

If you can get into the setup program, try doing a factory reset to get back to the default setup settings. This may cause you to lose apps that you have added to the set, however, but that's better than having to buy a whole new set. You also may want to see if there are any updates for the set from Visio if you don't have it set up to download and install them automatically already.

When heats up, the supply voltage from the main power supply board goes less. Check all the soldering to this board for any loose solder terminals. Resolder all the suspected solder terminals by applying a little more solder. If it do not help you, replace the board as card basis.

If the set had an extended warranty this would be no problem--consider having a shop take a look to see what is wrong and what cost to repair might be.

That's a broadcast signal issue not TV issue. If it was the TV all channels would be the same.

Did you continue to go through the code search? Chances are there is more than one code in the remote that will work with your tv and may have more or less functionality. I would give that a try first.

You have a button stuck either on the set itself or on the remote. Stargazer