When my old remote stopped working (yes, I changed the batteries) I bought a new remote (not a generic but an actual replacement), and it does not work either. How can I tell if it actually the remote(s) that don't work or if it's the sensor on the TV that isn't picking up the signal?
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As long as the battery produces what the remote needs it should work. However the remote itself could be faulty. Or the remote sensor on your device could be faulty. Check that the old battery has not leaked and messed up the contacts. Plus the new battery is actually touching the contacts!
It sound that your remote control need serivce. In most cases, claning it will rectfy the problem. You can get more details about how to reapair,test or clean the remote control by entering this site "Electro-help". Search for it in Google.
The infrared (IR) LED / remote may have stopped working. Since it emits IR light when used, you won't be able to actually see the light with the ***** eye. This makes it difficult, but not impossible to determine if the LED / remote is working or not. You can see if it works by pointing it a night time security camera - the type that has it's own built in IR LEDs to light up the area and does not need visible light to shine on the area (some video cameras can also "see" this light when playing back video taken of an active IR light source). Either record or have someone watch the display while pressing a button on the remote and aiming at the camera. You should be able to do this in broad daylight it will look like a flashlight shining into the camera.
If the LED in the remote is proved to be functioning, the IR receiver in the switch, or some other internal part of the switch may have failed. Since the receiver doesn't light up - there's no way to determine if this is the case without actually replacing the switch. It doesn't matter really, as there are no user replaceable parts in the switch - it either works, or it doesn't.
Ultimately, the best way to troubleshoot will be by replacing components with known good types. Use a battery that tests "good" on a tester, in a new or known to be good remote, used on a new or known to be good switch. You'd would deal with the situation by swapping only ONE component at a time. Once you change the device that allows to circuit to work, replace the new components with the old - except to last one; as this was likely the component that caused the failure.
Try taking the remote to a Home Depot, Lowe's or other similar store with a display of these switches. Do what you need to do to your remote to see if you can control any of the switches/ lights.
Sometimes the battery terminals become pitted and don't make good contact, get a Q-Tip and rubbing alcohol to make sure it is spotless. If there is no change! take it to a TV tech. to verify it is the remote, if yes he may be able to repair it.
Take out the battery an hour,put in back in,have the same problems.The remote is dead.Try website like Remotes.com to buy an exact remote.Yes,u can use the manual control buttons on right side of the tv,but a little hard.
Yes, I can help you either fix the original or get you a brand new one. By the way, did you change the batteries. I know you did, but this procedure is the first step. If you change the batteries and the remote doesn't work, the problem can be inside the remote, specially if it happen to be dropped. Or the sensor in front the tv may be bad if does not respond to the remote. The best way to check the remote control is with infrared checker, an special equipment I have at the shop. I can ckeck it with that for you and fix it as well. Please e-mail me at Stevebuy31@hotmail.com