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Keeps changing channels by itself toshiba 19av51u

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1 Answer

My samsung tv keeps changing channels by itself


Check and replace its main system control memory IC. It is faulty. If you wish to get more details, check this link.

Mar 31, 2013 | Samsung Televison & Video

1 Answer

Toshiba tv 40rv525u has started to change channels


My TV 40RV525U changing channels, menus itself for few months ( I use antenna).
my son tried to stop the channel scrolling by enter weird number into the channel to stop it scrolling such as 555, 777..
later, it turn on off by itself and unable to hold on a channel
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.
Remove back cover.
Look into the motherboard ( biggest green at the center).

First, I disconnect a connector on the motherboard come from the IR board that receive the wireless signal control ( meaning the remote is disable).
I turn on the TV, press on Menu button on the TV side. Menu is still scrolling.

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.
NO AVAILABLE red message when watching DVD is no longer existed.

Hope this help someone else.

Jan 20, 2012 | Toshiba 40RV525U 40 in. LCD TV

1 Answer

I have an 1998 rca premiere and it keeps changing channels by itself and turning itself up


You need to change the picture-size by using the TV remote and or cable remote.
On the remote look for P-Size, Zoom, Sreen size or Ratio.

Nov 10, 2011 | RCA P52937 52" Rear Projection Television

1 Answer

Channel buttons change input


Auto channel search is your friend. Once the tv has been through it and finds active channels, your channel button should work the way you envision.

Jul 06, 2017 | Toshiba 15LV505 LCD TV

1 Answer

Toshiba 42 lcd cannot delete channels I use the manual channel set and select Not Viewable for channels I don't want to see. Then as I click through the channels, the deleted channels show up again.


Also have a 42" Toshiba and had the same problem, then had issues moving the channel order while some channels were set to skip.

What I ended up doing was retuning the tv. Then went through the channel list (Menu -> Setup -> DTV Setting -> Channels) and changed the number of the channels I didn't want to 1000+ (using the red button, ie 1001, 1002, 1003...). This in itself does not change the channel order, but when I then move these channels to the end of the channel list and because they are numbered numerically I can be sure I don't miss any.

Next I went to the channel options (Menu -> Setup -> DTV Setting -> Channel Options) and marked all the channels I'd moved to the end of the list as channels to skip and locked. This does not remove the channels from the EPG but it does move them to the end of the list and when scrolling with the channel +/- buttons these channels will not be selected.

Ideally I would also like to delete channels such as QVC etc altogether and would love to know if anyone has a more effective solution to this issue.

Aug 15, 2009 | Toshiba REGZA 42WLG66 42 in. HD-Ready LCD...

1 Answer

CHANNEL CHANGES BY ITSELF


The remote may be malfunctioning. Take the batteries out of the remote and see if the problem stops.

Aug 02, 2008 | RCA HD52W59 HDTV Projection Television

2 Answers

TV turns on and changes channels on its own


Keeps changing channel
Check voltage on D12 if below 4.8V then change
Changes channel or volume adjusts by itself
Check S900/1/2 on pcb H1, alternatively this could be due to failure of IC005 (CD4052BCM-FL63) on pcb A

Oct 17, 2007 | GE 31GT740 31" TV

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