🔧 Reparación Circuito de Retroiluminación – Lenovo IdeaPad 3 15ITL6 | Pantalla Oscura Solucionada 💡

In this video, I show you step-by-step how to diagnose and repair the backlight circuit on a Lenovo IdeaPad 3 15ITL6 laptop. If your screen turns on but doesn't display an image (only visible with a flashlight), you likely have a backlight fault.. 🔍 Video Content: Introduction to the Problem Typical Symptoms of Backlight Failure Checking Key Voltages and Components Diagnosing the Backlight Line Replacing the Damaged Component Final Testing and Successful Power-Up ⚠️ Important: This procedure requires knowledge of electronics and the use of tools such as a multimeter, power supply, and soldering station. Do not attempt the repair if you are unfamiliar with this equipment. 🔌 Tools used: Digital multimeter Microscope Soldering station Hot air station Adjustable power supply ✅ If you enjoyed the content, don't forget to like it, subscribe, and activate the bell 🔔 so you don't miss more repairs like this one.