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RCA 27V412T my tv started turning itself on and changing the channels by itself

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Ok! change all tact switches! your tact switch has abnormal resistance! thats why your tv is changing system!

Posted on Oct 01, 2007

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Magnavox TV turns itself on and changes channels


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

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My RCA 27V412T TV turns the screen red


Can you see a picture at all or is it completely bright red? Is there sound?

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Im looking for the manual for my RCA 27V412T


You can view or save your manual from this site to view in PDF or print if so desried.

http://tv.manualsonline.com/manuals/mfg/rca/27v412t.html?idRes=11396722

Apr 02, 2012 | RCA Televison & Video

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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).
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

Cuts on and off and changes channels


change your tv chanel program button or its problem in programing devise or video frequency

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Philips tv turns on by itself and is stuck in demo mode


i am not sure but that would scare the **** out of me

Jun 03, 2009 | Philips 20PT643R 20" TV

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Why does my RCA model# 27V412T turn on and off by itself? It's does not stay on long enough for me to reprogram the remote.


Hi There,
Sounds like your Startup Relay is intermittent. Contacts are closing (tv on) then dropping out (tv off). Worn or burned contacts do not make a good connection when they close and start to burn and overheat causing the contacts to open. When they cool down they may make contact again for a very short period. You need to replace the Start up relay. I hope this helps and thank you for using FixYa!

Mar 29, 2009 | RCA Televison & Video

1 Answer

Sudden channel changing,flipping off and on and channel searching


Main system control memory IC fault. This is a very small IC; have 8 solder terminals, and can be located very near to the main system control-chroma IC. Check and replace it. Be sure to replace it with the same number printed on it; in all respect. Otherwise, it won't go. http://electronicshelponline.blogspot.com/ Before replacing it, try a reset to this set, and then check.
There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the site linked here.

Apr 21, 2017 | RCA F36649 36" TV

1 Answer

Tv changes channels when turned on.


Be sure your remote hasn't got a button stuck down which is changing channels. If not, take the batteries out of the remote. If this stops the channel changing there is probably some conductve material stuck across the circuit board
inside the remote. If this is the case you have to check inside the remote by openning it up.

Jan 28, 2009 | JVC AV-27530 27" TV

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