Dead Samsung Power Supply Repair BN44-00373A UN55C6800UFXZA UN55C6900VFXZA 

Glad to hear it! Let me know if you figure it out and if so provide details! Im curious to know what you are working on and what the issue is.

Thank you! I never got a formal electronics education, and because of that, I believe I have a very unusual way of diagnosing boards that is unconventional. See what gets hotter than it should, and visual inspections are 2 of my most common techniques. I never get access to service manuals, so usually I have to learn the boards from scratch. Of course once you do a few repairs on the same board, you start to pick up patterns and what not.

Thank you!

Yeah we can do that! I do have already 3 videos lined up for the next few weeks, but I can start working on a tool review.

Thanks a lot, sir this would be very amazing for beginners like me and others.

No problem, happy to hear you enjoyed the video

While the TV you are working on is very different than the one I am working on in this video it is possible that the same chip is having issues. Make sure the part number of your replacement component is an exact match with the one on the board. For Sony power supply board failures, it is common to see shorted diodes. I would recommend checking all diodes on your board for shorts.

Haha good old repair music. No, this one was filmed a bit later in the week and I wasn't able to get my guy that usually does the editing to work on it, he is the one with all the repair music.

8 blinks can often be a mainboard fault, but I have also seen it be due to a damaged LVDS ribbon. If you installed a new mainboard and got the 8 blinks after the replacement then most likely the issue is the ribbon. If the TV has not had parts replaced in the past, then most likely the fault is due to the mainboard failing. We do offer a flat rate service for it which comes with a 1-year warranty. For more information on our service, please reach out to us directly. Our website and contact information are in the video description.

On some LED TV sets, when the LEDs themselves start to fail they can produce a blue/purple color before completely going out. It will get worse over time until it's really not watchable anymore. What you are describing is exactly that. I saw on eBay that you can get a replacement set of strips for about $30 with free shipping, but it's coming from China so it most likely will take 2 weeks for the parts to arrive. You might be able to get them faster from a USA vendor but it will be more expensive. I don't have any LED strip installation videos at this time as there are already lots of them out there.

@@NicksTVRepair thanks Nick, it definitely does sound like that, I know they are a bit of a job to replace, I will probably do it even though the operating system in this panasonic is a little dated, Panasonic's are fairly reliable.. the backlight has been like this for a while.. Its still watchable but it's not a great picture. I will look them up on ebay, thanks for the advice. Best Regards stormer

Happy to help

Completely dead sony, and stuck on logo are different symptoms, but they are the same failed chip and same repair. This video shows how to fix your logo problem ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-JcsUyZDgg0s.html