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Troubleshooting and Repair for the 32" 1080P LG 32CS560 LCD TV.

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Why is my screen dark but I have sound

Tv has no picture but has sound

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brucetristen  check to see if this is a backlight issue. In a darkened room and the TV turned on and on a channel that is working (audio present) shine a flashlight beam angles against the screen. If you can make out silhouettes/shapes etc. you know that this is a backlight issue. The backlight gets its power from the power board after being told by the mainboard to turn the backlight on. So if the backlight is not working, you need to check the voltages from the power board to the main board and finally on the power board to the LED backlight. If all of those are correct then the issue is most likely a bad backlight array (common on LG) If the voltages are not correct we will need to know what you measurement were. Post some good pictures of all of your boards with your question so that we can see what you see. Use this guide Voeg afbeeldingen toe aan een bestaande vraag for that

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Shine a bright flashlight at multiple angles at your TV screen while your TV is turned on. If it’s a backlight issue you will see a faint image of what is playing on your TV. If you don’t see anything then there could be a multitude of issues going on that @oldturkey03 can better explain.

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brucetristen zal eeuwig dankbaar zijn.
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