LG TV screen blank with stripes. The LG 50UQ7500PFS is damaged with symptoms of the screen not showing an image or being blank, also accompanied by vertical lines. It is certain that damage occurred to the screen. Can cases like this be repaired? Actually, damage to the LCD panel/screen cannot be repaired, the solution is to replace it with a new one. But of course at a very expensive cost. But in this video we try to improve it. What steps should we take to repair the LCD screen? First, of course, we have to check the LVDS cable connector. Make sure the connector is installed correctly, there is no dirt, and there is no corrosion. The next step we have to measure the voltage. The principal voltages on the LCD panel are: VCC, VCom, AVdd, VGH, VGL. When you get a good LVDS cable connection and normal working voltage, you can be sure that the damage is to the glass panel. Engineering for repairs is usually done by cutting lines or looking for broken lines. For more details, you can watch the video. If friends want to help with the development of this Chanel, friends can do so by pressing/clicking the Subscribe button, or by pressing/clicking the join button, or pressing/clicking the Superthanks button. Thank You.
(Source: YouTube Channel tehnik siden)
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