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Re: RCA 32" TV
The most likely problem is a stuck tact switch, if it goes up in channel number, 5, 6, 7, etc. then the channel up button is stuck, if it counts down it`s obviously the ch. down button. Problem is you have to remove the guts of the set to get at the control boards screws, you can try turning on the set and poke around the offending push button with a tooth-pick, if it stops changing channels leave it alone and use your remote from now on to change channels, if you can`t get it to stop the tact switches or the control board module will have to be swapped out, hope this helps
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Ether the front panel channel button is sticking or the remote channel button. take the remote out of the room.. if it still is changing channels make sure the channel buttons on the front of the set are not sticking. Spay a little WD 40 on them then wipe them off
this is the same type of problem happening with other rca models and I know it is the EPROM CHIP but why this is failing is either because of design flaw , dirty enviroment that they were made in , to much voltage or current to the chip or too much of a draw from the chip causing it to fail . Or even a random frequency from the IR sensor or its circut I'm still investigating and testing.
leave the tv unplugged for at least 3 weeks durring this time resolder any solder that don't look good , I did this and it lasted for about 6 months(always plugged in to the wall) before it started doing it again. model # 27v412t
Using the RCA remote that came with the TV go to the menu and do an auto tuning scan this should bring in any channels that got lock out after the unit reset itself. You can find an owners guide in PDF form on RCA's website if you neeed detailed assistance to perform these steps.
I hope this will help you.
I HAVE THE SAME TV WITH THE SAME PROBLEM. I'M NO TECHNICIAN BUT I TOOK THE BACK OFF AND DISCONNECTED THE CIRCUIT BOARD THAT CONTROLS THE REMOTE SENSOR AND THE BUTTONS. THE TV STOPPED FLIPPING BY ITSELF. I'M CURRENTLY TRYING TO FIND A REPLACEMENT PART.