2021年6月13日 · LG 47LN5700. The backlight on my LG tv is not working. I took it apart expecting to replace a few LED’s. After testing each row of strips (6), I found one entire row (R1 and L1) is not lighting up. All other rows are good. What could be the problem and how do I fix it?

2018年12月1日 · What is the model number of the TV? Sounds like the backlights aren't working. Initially try to find the service manual for the TV online. Search for "LG (insert full model number) service manual". If you find it it will show the backlight power circuit diagrams which will help so that you can test the circuit to locate the problem.

Diagnose the causes of the most common LG TV backlight issues and see whether you need to replace or repair your backlight. ...more. This video covers 7 LG TV backlight problems,...

2023年9月27日 · I have an LG 65UB9500 4K TV 2015, last night I was watching it and it suddenly froze up. After I turned it off and never came back on with a picture, or sound. When I turn the TV on it produces no wake-up sound and has no backlight. The power supply board control LED flashes 5 times (the error code?) after a minute or so of being turned on.

2021年8月25日 · Most likely LED backlight failure, a very common fault of LG LED TV. To fix it, LCD panel should be disassembled and all of the LED strips replaces. Partial replacement most likely will cause repeated failure after a while.

2023年10月24日 · LG TV backlight issues can be fixed by replacing any failed components on your power board or by replacing your backlight strips where any individual LEDs have burned out. You can watch a quick overview of the fixes in my short video below, with more detail on each in the rest of this guide.

LG 65" LED TV LED Strips Replacement Tutorial CLICK HERE for replacement LED strips: https://www.shopjimmy.com/lg-6916l-23...

2019年9月11日 · LG LED TV No Display Backlight fault Repairing welcome to my channel, today I'm going to repair LG TV no display and backlight fault Rep...more.

2021年8月12日 · Adjusting the backlight level in the picture menu will give short flickers on the decrements below "15", no flickering when incrementing, then around "11" it will flicker and loose backlight completely. Twisting or knocking the TV won't trigger the fault. When the backlight stops the LED voltages outputs are low.

2024年5月3日 · Recognizing the common symptoms of backlight failure, such as dimming or flickering screens, is the first step in troubleshooting. Backlight failures can often be diagnosed and repaired by checking for visible damage, testing the voltage across backlight LEDs, and inspecting the power supply.