Chosen Solution
After a few minutes of use, the picture disappears. Sometimes after 5 seconds or so, it will come back on. Sometimes not. We have to turn tv off then on again to regain picture
@whitewater lets start off by checking for Samsung suggest:
and here is the flowchart
Check to see if your LED’s display any error code
To access the service mode follow this:
The number 2 DDP3021 menu is where you want to go. here you can check #8 to see if your DMD board is working properly
Besides all that you do want to make sure that you do not have any fan (overheating), heatsink or capacitor issue. Check for any leaking bulging or otherwise failed capacitors. Post some images of your boards with your question. that will allow us to see what you see. For that use this guide
