Troubleshooting the Problem.
If some of the buttons on your TV and on your remote control aren’t working properly, then you might be dealing with an IR sensor circuit board issue. Test one simple solution to your problem: unplug and re-plug in your TV set.If the problem persists, here’s how you could fix your faulty remote control .the easy way.1. Cut a tiny piece of copper wire and pound it into a small copper disk using a small hammer.2. Use a jewelers’ screwdriver to open your remote control and inspect all its components. After a certain period of time, old contact pads stop functioning properly. In most cases, they have to be cleaned properly or replaced with new ones.3. Place the copper disks on top of the faulty contact pads and glue them in place. Use a powerful adhesive to obtain long-lasting results.4. Reassemble your remote control and test the effectiveness of your DIY repair project.