Problem with channel skipping has rectified itself. I simply unplugged the set and and started over with remote intructions on signal and channel setting. The tv was also turning itself off and on, this also has ceased. Thanks, hope I don't need you later.
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You have to set the channel you want as a favorite first and you can do this from the TV. This is why the channels skip as you press up and down. Sometime or another those were someones favorite channels.
Press "MENU" on the TV until "SET UP" appears on the screen.
Now press ^ or v until "FAVORITE CH" appears in purple.
Now press < or > to display the favorite channel FAVORITE CH menu.
You will use < or > to got between "SET and "CLEAR."
So now go to "SET" and press ^ or v until you get to channel 1.
If you want to delete a channel first then select "CLEAR" and then add the channel you wish.
What your doing when you push the channel up and down on the TV buttons is going through the favorite channels. So make one of the favorite channels channel 1 and program your remote.
Remove the back and find the two conductor wire from the front panel to the main board. (the set of buttons with input, menu, ch, and vol) Unplug the connector at the mainboard and see if it cures the problem. I did this on a 20F521TD and just left the wire unplugged. Works fine from remote.
you have a programing error in the main control ic it ca be repaired but its $$$$$$ my guess is 150.00 -200.00 the control ic has a modified control memory the memory is held in place by a charged capacator if you unplug it and leave it for a week and plug it back in it might be ok for a while if not try unplug it for a month . that might be enough for a reset but the problem will keep comeing back the chip is damaged
I had the same problem and eventually found the solution. the tact switches behind the front panel buttons will leak when they get old causing them to activate on their own. your channel up or down button is stuck on. take off the back cover and you will see a small clip in circuit board behind the front panel. take out the board and remove the channel up or down switch and your set should work fine again. the remote will still work fine for changing the channels.
Mine did this and I took the back off of it to remove the button panel on top of the tv. It un- snaps from the inside and pulls straight out. My channel down button was messed up but it lookd fine. It has three prongs on one side of it and two on the other. I clipped the two prong side of the switch and put it back together. Works fine now with remote. Be careful as the set picture tube holds high voltage for a long time when unpluged. Unplug overnight and then work on it.
This is a problem common with some RCA/GE TV's.
The fix in the past was to install a capacitor between ground and pin 15 of the microprocessor which keeps a data signal riding on the video stream from muting the sound on most stations. By installing this capacitor, you would be disabling the closed caption feature so that feature would no longer work. An authorized RCA TV repair shop may be able to give you more information.
ok, let's try the simplest things first....
unplug the tv from the wall, and remove the batteries from the remote. wait about 5 or 10 minutes. reinstall the batteries and plug the tv back in. try it again. actually since you said you tried another remote, you can skip removing the batteries from the remote.
if it still does it, try unplugging the tv overnight. if it still doesn't work right then, you have a processor problem, and need to have it looked at by a service tech.