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I have a Sharp LCD that keeps changing inputs and will randomly turn itself on.

Every now and then it will change input. Sometimes it will just keep doing it. Now the tv is starting to turn itself on randomly during the day and night.

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  • 179 Answers

Sounds like you have another infared source that the LCD is seeing. Put opaque tape over the infared receiver and see if the issue continues. Look for another IR device in the area.

Posted on Nov 09, 2014

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Posted on Jan 02, 2017

  • 1779 Answers

SOURCE: I own insignia 27" lcd input vedio keep changing none stop

Check to see that none of you manual buttons are sticking or stuck, especially INPUT !
If none are stuck and your set is still under warranty please return it.
If not under warranty I would suggest taking to a local service center that is familiar with Insignia.

Posted on Feb 19, 2009

  • 130 Answers

SOURCE: my sharp lcd tv keeps changing input by itself

hi
first be sure that your cables are all contact solid
your problem is that the tv do not recognize any signal and it keep on scanning to find one.

Posted on Sep 28, 2010

fosg2000
  • 229 Answers

SOURCE: sharp tv keeps changing the source channel on its own

you may fave a faulty switch in the key controller, may best advice is replace it


Part numbers:
KC792
XC792WJ


Fred

Posted on Jun 18, 2012

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Why am I not able to change channel on Sharp Aquos television?


Try changing channels with the button on the TV to make sure the remote is not bad. Sometimes one or just a few buttons on the remote will quit functioning. It is usually the ones that are used the most. What channel is the TV on? If it is 3 or 4 or one of the aux inputs; it may have been told to stay that way because the channels were changed by a cable box. Go to set up and scan channels into memory. After it has started, do not stop it until it says on the screen that is finished. If you stoop it before it has completed the scan, the TV will keep its original program. (one channel)

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It sounds that the main digital processor board has the fault. Your TV need a through check up. Contact any service technician.

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Sharp tv keeps changing the source channel on its own


you may fave a faulty switch in the key controller, may best advice is replace it


Part numbers:
KC792
XC792WJ


Fred

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1 Answer

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I would suggest you contact LG even if the set is out of warranty there may be a software upgrade for this kind of issue or they may be by model number familiar with the problem.

It is what I call a micro related problem-all sets have a micro processor and when you unplug the set it resets this circuit.

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I cant keep my tv turned on after i pushed the rgb button by mistake it keeps on displaying no signal and then it goes off


Turn on the TV again. You need to change the input from RGB back to cable or HDMI or Component or whatever input you have a source for. If you don't know which one, look at the back of the TV and the wires you've got plugged into it.
If it's 1 round coaxial cable, change the input to Cable.
If it's three wires (red, white, and yellow) change the input to A/V.
If it's 5 multicolored wires, change the input to Component.
If it's an HDMI cable, change input to HDMI.
If you cannot change the input before the TV turns itself off, try unplugging the TV from the wall socket for about 10 seconds, and then plugging it back in. If its still on RGB, you're going to have to either find a way to get faster at switching inputs, or find an RGB cable and something to connect it to your TV. This is a last resort however.

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1 Answer

My sharp lcd tv keeps changing input by itself


hi
first be sure that your cables are all contact solid
your problem is that the tv do not recognize any signal and it keep on scanning to find one.

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1 Answer

Keep changing channel without any input


Most of the time it is the front contact switches Dirty clean them with contact cleaner or replace contact buttons on front panel board 29 cents each Call Mats 1-800-628-1118

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1 Answer

I own insignia 27" lcd input vedio keep changing none stop


Check to see that none of you manual buttons are sticking or stuck, especially INPUT !
If none are stuck and your set is still under warranty please return it.
If not under warranty I would suggest taking to a local service center that is familiar with Insignia.

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Have you taken the remote control out of the room? Try changing inputs from the TV.

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3 Answers

Sharp tv changing channels


Well, the only thing that seems to be working so far is to plug AV cables into the "input 2" ports (on the front of TV). I plugged in my PS2, without turning it on. It has not switched at random since (about 30 minutes - it had been switching off and on for the past 2 hours). Anyone else have similar success?

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