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Technician says all the backlight strips will be replaced even though I watched several videos where only replacing the bad LEDs works too. But they are saying this way the LEDs will
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SID Led Tester, Led Backlight Tester, Without Disassemble LCD Screen for All LED Beads TV Board Detect Repair and All LED Application Output 0-320V(GJ3C): Amazon.com: Tools & Home Improvement
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How to fix LED LCD TV black screen no backlight, TV disassemble, testing LEDs, ordering part, repair - YouTube
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