Symptoms & Troubleshooting for Flickering TV Screen Picture
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If you have a flickering image on your LCD or LED TV Screen, the problem could be caused by one of a few different parts of your TV.
In this video we will show some troubleshooting steps that can help to identify the cause of the problem. We will first take a look at the back of the TV and identify the parts.
I have already removed the screws and the back cover. Here we have the power supply board, and the main board, and the t-con board.
This is the LVDS cable that runs between the main board and the t-con board on this TV. Some TVs will not have a t-con board that is replaceable. They will have the t-con board built into the TV panel. If that is the case, the other end of the LVDS cable, the end that on this TV connects to the t-con board, will run directly into the panel and disappear.
The first step in our troubleshooting is to disconnect the LVDS cable to the t-con board and see if the LEDS flicker without the video cable connected. If your TV does not have the t-con board visible, then you will want to disconnect the LVDS cable from the main board.
After you have disconnected the cable from the appropriate board you can turn on the TV and see if you see the light flickering through the holes on the back of the panel.
After disconnecting the LVDS cable, if there continues to be flickering, then the problem is most likely the LEDs in your TV. These LEDs are replaceable in most TVs, however it can be difficult and there is the possibility of damaging the TV panel during that process.
If you damage your TV panel it is not repairable.
After disconnecting the LVDS cable from the appropriate board, if there is not flickering anymore, then the cause of the problem would be with either the main board, the t-con board or the TV panel.
You could replace the t-con boardand main boards individually to see if one of those replacement parts fixes the problem. If they do not fix the problem, then the problem is most likely with the TV panel.
The TV panel is not repairable. TV panels can be replaced. Shopjimmy.com does not sell TV panels.
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