Thank you for being a valued part of the CNET community. As of December 1, 2020, the forums are in read-only format. In early 2021, CNET Forums will no longer be available. We are grateful for the participation and advice you have provided to one another over the years.

Thanks,

CNET Support

Question

power board keeps breaking after replacing it twice

Jun 15, 2018 4:40AM PDT

I have a Samsung Un58j5190af that about a month ago just stopped working no lights on the power indicator so we figured the power board went out after replacing the board it worked for two weeks until the same thing happened so I figured maybe we got a bad board so we were sent another and it worked four hours before it went out is it possible something else is to blame for the problem thanks for any help

Discussion is locked

- Collapse -
Answer
Deeply technical.
Jun 15, 2018 10:09AM PDT

This would require more than a tech usually has access to. The issue could be some other board or LED backlight is pulling more power. More power but less than would trip an overcurrent sensor.

This one is going to be costly to figure out as you may have to swap out all other boards and check current pull on LED strips.

- Collapse -
Reply
Jun 15, 2018 1:03PM PDT

I can get all four boards for around 70 dollars and the parts website says This model has an above-average rate of LED strip failure. If your TV has sound but no picture (and a picture if visible when shining a flashlight on the screen) or turns itself off on its own, there's a good chance the LEDs have failed. so when it says turns itself off I'm guessing it means you can turn it back on but mine just stops working until you replace the power supply board so do you think I should just buy the boards or do you think it may still have something to do with the LEDs

- Collapse -
This is now a financial question.
Jun 15, 2018 1:07PM PDT

Is it worth fixing? Is it worth gambling another 70 dollars? Only you know this.

- Collapse -
Same Issue
Aug 10, 2018 7:00AM PDT

did you ever come up with a fix for this. I just had the same thing, same model. Did you figure out what is blowing your power board?