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Jimmy Posted on Mar 28, 2019
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How do i fix my vizio tv the backlight must have gone out...i can shine a flashlight and see it working in there and audio works too and can operate it with remote but its dark without a flashlight. what do i need to replace? 55 inch vizio LED TV model E55Oi-B2E

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derekdorman1

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  • Posted on Mar 28, 2019
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Can't comment on the specific make but either the back lights gone. It's either tubes or LEDs. That or the driver has fault often a blown capacitor.
More info needed to be more specific.

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Depends .. did you open the TV inside and found that the LEDs are burned?
Do not be the problem of the power supply, even if it burns a bar, it still remains the other light!
Maybe it's not all burned, and you only have one or two replaced, focus on their color, the most different in color or the dark even, the smoke etc. surely are the problem, easily break it off with a high temperature feeder applied behind it , or with a resistance that only gets warmed on a portion of 1 led.
I leave you a tutorial to see what and how.
Good luck!

https://www.youtube.com/watch?v=NI9wOZKHOVE

https://www.youtube.com/watch?v=4pK6o2DMLWQ

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LED Strip Replacement Tutorial Vizio E420i A0 TV How to Replace the LED...

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how to test LED strips without tester Using battery backlight tester DIY

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