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TV keeps scrolling through the channels and won't stop. I cannot use the remote. I have unplugged everything, and I took out the batteries in the remote--nothing worked. To turn off the TV, I have to hold in the power button several times in a row or unplug it.

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Hello,

I think one or two buttons on the TV is stuck in and that should be the channel button. Its pressed in that's hy it keeps scrolling.

Disassemble the TV, remove the TV board carefully to get to the channel button, free the stuck button and TV should be okay again.

Note that TV stores a lot of current, so wait a bit before opening the back cover to avoid electric shock.

Good luck.

Posted on Jan 01, 2011

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My viewsonic keeps changing channels which makes it impossible to use. We've unplugged it and everything. once you power it on, thats all it does. it continueusly changes channels. please help


The first thing to try is to see if a button is stuck on the remote or on the TV.
Remove the batteries on the remote and see if that helps. If it fixes the problem, you'll need to replace the remote.
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Toshiba tv 40rv525u has started to change channels


My TV 40RV525U changing channels, menus itself for few months ( I use antenna).
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I call Toshiba customer service and they ask money $25 for troubleshooting but I denied since I do not want to waste money and time.

Now, I found how to fix it myself.

In my case, something was wrong with the signal comes from the button control on the left side of the TV.
========================
What I did
========================
unplug the power cord.
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I turn off TV, disconnect power cord and connect the IR connector back to the motherboard.
I then disconnect the nearby connector that comes from the side control buttons.

Turn on the TV by remote, press menu button on the remote to check. The menu stays.

DONE.

I use electric tape to seal off the connector and let it hanging there.
Close the TV back panel

I have been watching TV for 3 nights without menus/channels scrolling.
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Hope this help someone else.

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Sometime remotes can be reset.
Try this;
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Step 3- If your remote has slide switches, you must move the switch to each position then repeat the button pushing in Step 2.
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Step 4- Put the batteries back into the remote, being very careful to install them correctly.
New batteries should be used if you're not sure about the old ones.

Try it again. If the problem is still there then the remote is bad.
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