Another possible reason is that the backlight on the LCD TV which has a power inverter has failed. To fix this issue, the backlight will have to be replaced by a TV expert. When the backlight begins to have problems, the screen turns blank. In the case of an LCD TV, it works with the help of a backlight that is used to illuminate the picture on the screen. When the TV has speakers that work perfectly fine but it has no picture, there is mostly an issue with the back-lighting system or the power supply board, which will need to be replaced.
LG TV VERTICAL COLOR LINES UPGRADE
If you have been facing this issue often, this is an indication that your TV lifespan is almost over and that it’s time to upgrade to a new TV. If there is still no sound, you will need to call a professional to open the TV and check the circuit board. Ensure the TV input is correct, the TV is not on mute mode or no headphones are connected to the TV audio out jack on the side or front of your TV.Īlso, check if all the cables connected into the back of your TV are proper and not loose. Try increasing the volume to the fullest on your remote to check the sound. If your TV screen is perfectly fine but there’s no sound, it simply means this is a circuit board malfunction or a speaker malfunction. LED panels range anywhere between Rs 8,000 to Rs 85,000, while LCD panels range between Rs 6,000 to Rs 25,000. If it continues to show lines, you may mostly have to get the panel replaced and replacing the panel can be a costly affair, depending on the TV and its model. Keep it unplugged for 15 minutes and then switch on the TV to check if the issue has been resolved. Turn off the TV and unplug the AC power cord (main lead).But before you call an expert to check the TV, you could try following these steps and check if they work: This is a common problem in TVs and is a sign that your TV panel is failing. This problem usually occurs if there’s a loose cable wiring, loose or faulty board or a damaged screen. If you notice vertical lines on your TV screen, this is a serious issue and should not be neglected.
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