From: charlesandmilly@gmail.com   
      
   On Wednesday, July 20, 2022 at 11:01:15 PM UTC-5, Peabody wrote:   
   > Friends of mine have a Samsung 55" 4K TV, model UN55HU6840 (about 2014).   
   > They say they can hear audio, but the screen is black. I'd like to take a   
   > shot at fixing it for them since they don't really have the money to buy   
   > a new one. The encouraging thing is that until recently this has been an   
   > intermittent problem that's just gradually gotten worse, and now is   
   > permanent. But I'm encouraged to think it's not burned out LEDs, else it   
   > would never have been intermittent.   
   >   
   > I just told you everything I know about repairing TVs, but am generally   
   > experienced in electronics as a hobbyist. Based on some Youtube videos   
   > it seems I should take off the back cover and check all the connections.   
   > Then I would go to the power board and check the voltages on the lines   
   > going to the backlight LEDs, and if low, start checking diodes and   
   > electrolytics, and of course look for bad solder joints.   
   >   
   > Does this sound like a reasonable approach? Is there a typical cause of   
   > this symptom?   
   >   
   > I've had no luck finding a schematic. Does anyone know where I would   
   > find that?   
      
   Try here with this link:   
      
   https://www.samsung.com/ca/support/model/UN55HU6840FXZC/   
      
   Click on the Manuals and downloads link on the menu selection you can choose   
   from.   
      
   >   
   > Well, any guidance would be appreciated.   
      
   watch for the hot spots on the invertor board. When working with IC's, where a   
   ground   
   strip.   
      
   --- SoupGate-Win32 v1.05   
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