Billions of people don’t know the secret of the TV remote!

Most of us use the TV remote on a daily basis, but very few know that these devices hide functions, common faults, and repair tricks that can save us money and extend their lifespan. In this article, we show you a step-by-step approach to repairing remote controls and understanding how they work.

Below, you can visualize the assembly in a better way in the following video from the Diy Tech Trends channel:

Most common problems in remote controls

1. Unresponsive buttons: One of the most frequent problems is due to wear of the rubber contacts or internal dirt.
2. Infrared (IR) signal emitter failure: The small LED that transmits the signal may weaken or break.
3. Poor battery contact: Springs or terminals become sulfated or bent, disrupting power.

Quick check at home

• Cell phone camera: Point the remote control at the front camera of your phone and press a button. If you see a pink or white flash, the IR LED is working.
• Changing batteries: Make sure you use new batteries and check that they are properly placed.

Homemade solution step by step

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