Vizio D65U-D2 backlight goes out

[jkglazner]

I searched this forum and saw two threads for this model, but so far I have not fixed my problem. I have a Vizio D65U-D2 and after the tv being on anywhere from 30 seconds to 15 minutes, the backlight will go out and stay out. I did the flashlight test and can still see an image with that. I'm incredibly new to repairing electronics. I ordered a new set of boards from ShopJimmy, but that didn't fix the issue. It's now looking like I might have to try to replace the LED strips, which I'm not comfortable doing.

Would a failing LED strip cause all of the backlights to go out, or would it just show as a darker spot on the tv while the rest of the LEDS are still now? Does anyone have any guidance on what steps I can take before trying to replace the LED strips?

[budm]

Re: Vizio D65U-D2 backlight goes out

Do you have meter to test Voltages?
We need good clear pictures of YOUR boards and pictures of the whole backside of the TV showing all the boards and how they are connected together.

[jkglazner]

Re: Vizio D65U-D2 backlight goes out

Here are some pictures. Please let me know if I need to take more of anything. I don't have a multimeter, but I can run to the store and pick one up if needed. Thank you!

edit: These are the replacement boards from ShopJimmy. I can take pics of the original boards if it helps.

[budm]

Re: Vizio D65U-D2 backlight goes out

You will need a meter to do some Voltage testing when TV is working and when it is not. First place will check the Voltage feeding the LED driver to see if the Voltage is still present or not when the backlights go out.
What you can also do right now is to go into on screen user menu setup and turn down the backlights level (NOT BRIGHTNESS) to as low as possible and see if the backlights will stay on longer, you can do this one first before getting the meter.
This TV may have backlights setting for each input sources.