The tv turns off by itself and the remote will not interact with the tv or the tv does not receive signals when it goes off by itself. I disconnect power as a reboot and it will come back on, but then it will shut off again. I do this several times before the tv decides to stay on. Also the picture is also greenish and not as bright as before this problem began. Right before the tv turns off, the screen becomes green with horizontal lines before it turns itself off.
Hi this s grizmofreak
solution to above problem
this s because of the secondary emissions of picture tube, and once the supply stops the emmissions from the picture tube wont stop for few seconds and horzontal scannin problem.
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There are two ends to IR control; the remote itself and a receiver inside the set that is active any time the set has AC available. Testing the receiver end requires a known-working remote control but you can check to see if the remote is still sending IR signals by taking any digital camera you have on hand, turning it on as if you wanted to take a snap of something, watch the display while you aim the working end of the remote toward the camera's lens and holding down any button on the remote. If the remote is sending IR signals, you will see these as white spots, often blinking rapidly, on your camera's LCD screen. If the remote is outputting IR, the receiver in the TV is likely dead and will require replacement.
First of all, did you put new batteries in the remote control? That usually solves the problem, because when the batteries get weak the output infrared signal also gets weak. With a new universal remote control, there is a booklet containing the codes to use for many different TV receivers. If your specific TV model is not listed, try using one that appears to be similar to it. If that does not work, try turning your TV on with the new universal remote. If you can turn it on, then you may be able to have the universal remote program itself by interacting with your TV. Turn it on and hold the remote so that it points to the TV set and hold it there for about 30 seconds. Then try turning the TV off and on again and try to use the channel change feature. Try this a few times to give the TV and the remote a chance to talk to each other. Keep the remote pointed toward the TV.
Sounds stupid, but where is the remote control? I had a weird issue a few years ago where my TV would turn itself off constantly. Turned out the remote control 'off' button was wedged down.
Try covering the IR receiver with your hand and turning the TV on (make sure the IR window is well covered and no Infra-red could leak in!). If it is ok then something i transmitting an 'OFF' signal. If TV still turns off on its won then sounds like it could be quite ill, possibly dying.
This is easy and so many people forget about the in built oscilating swivel diode!
It is a static caused effect affecting the remotes receiver depending on what surface the television is placed on.
Cover the zone on the television that receives the remotes signals (just place something in the way of that and the remote but closer to the television) remove the batteries from the remote and hold the 1 button, place the batteries in again whilst still holding one and remove the obstacle blocking the signal.
The signal is reset and the static will not affect again.
There might be three or more reasons for this:
1) The sleep timer may be on causing the TV to turn off after a preset time.
2) If sleep timer is on and no signal from the remote is received for a preset time (Samsung: 15 minutes) the tv will turn itself off.
3) The TV may have been turned on automaticaly with "On Timer". If so, and no signal is received for a preset time (Samsung: 3 hours) the tv will turn itself off.
4) A fan is not working or a vent is blocked causing the TV to overheat and turn off.
For 1) thru 3), go to the "setup" menu and make sure "sleep timer" and "On Timer" are turned off.
It seems the new, larger tvs these days put out too much light and it interferres with the remote signal. Simply put a post-it note or tape a piece of paper over the lights on the receiver and you have an affordable and instant fix. This isn't a good looking fix and I would be upset if the set were in a living room. Luckily ours is in the family room downstairs.
Had the same problem. The solution: My remote has a button labeled "TV/VIDEO". I must have accidentally pushed this button so when I turned the TV on it was searching for the signal from a VIDEO source. It couldn't find the signal so it's programmed to automatically turn off if no signal is received. All I did to solve problem was I turned TV on and before it could turn off by itself I pushed the "TV/VIDEO" button on my remote to switch it back to receiving TV signal.