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I have sound and everything else in the tv works like it should but my tv screen is very dim i have another tv where it is totally black and you have to do a flashlight test to see it. This tv however is not that bad it is just very dim and changing any of the settings does not make it better it is always consistantly dim it does not fluctuate or get brighter or darker. You can see the picture its just hard to see unless its night. It is a vizio e320-B2
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David Roose that sounds like a backlight problem. It is possibly that your power supply does not supply proper voltages to the backlight LED’s or your backlight LED array is failing. You’d have to check those boards to proceed further. One problem here is that Vizio is not DIY friendly and schematics etc. are hard to come by. We would need to rely on you for more information. Post some pictures of all of your boards etc. with your question. That way we can hopefully provide further guidance. Vizio also has issues with bad connectors etc. so make sure that you check on those as well.
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my vizio tv screen is progressively getting darker
@gl8obhefj7yzosr Well Tommy, if you want help with it, post a new question with the information @oldturkey03 is asking for and we'll see if we can help. Don't forget to include your model number and any information about when the problem started and under what circumstances.
My Vizio is also dim suddenly, which it has done before and I was able to fix but I can't remember what I did. This time I've tried adjusting the brightness first, then tried turning off DCR backlighting and turning it back on again. I tried unplugging the TV and holding the power button in for 30 seconds, and I tried resetting to factory default. Interesting that anything I do that would correct the backlighting actually does bring back the correct brightness for a split second, which leads me to believe that the problem is whatever controls the lighting.
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