Hisense H45N5750 Backlight Repair | LED TV No Picture / Dim Screen Fix

In this video, I repair the backlight system of a Hisense H45N5750 LED TV.
If your TV turns on with sound but no picture, or the screen is very dark, the problem is usually a faulty backlight.

👉 What this tutorial covers:
Safe disassembly of the Hisense H45N5750
How to detect backlight failure
Step-by-step LED strip replacement
Final reassembly and testing of the TV

This repair guide is perfect for TV technicians, DIY enthusiasts, and anyone wanting to save money by fixing their own TV.

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