Samsung BN44-00775A Power Supply UN60J6200AFXZC (SEE DIAG TIPS : LED STRIPS). Symptom:TV has sound, but no picture or looks like it is coming onfrom the light(s) on the front panel, but the screen is dark or there is no picture.Tip: Try shining a light on the front of the TV after you turn it on. Do you see a faint picture? If not, it may just need a circuit board replacement. If you do see a picture, then the backlights is most likely that powers the back lights is at fault. There are no lights that come on anywhere when you plug the TV in to a power outlet and press the power button. Tip: This can because by a blown fuse from a surge or lightning, but most often it is caused by a defective main board. Symptom: The HDMI ports are not functioning or not functioning properly. Tip: Most often, the problem is with the main board. Most main boards contain all of the HDMI ports, so replacing it will fix the problem98 percent of the time. HDMI ports are often damaged by lightning.
The top tech reports that about half the jobs he assesses that have lightning damage involve main board replacement because HDMI ports are non-functional even though the rest of the TV operates normally. Symptom: The TV appears to be in an endless cycle of coming on and going off byitself showing the logo only. Sometimes the cycle ends with the TV staying on or going off. This is normally a main board problem. He LED strips in the models listed are prone to failure.
If this board does not fix the problem with your TV, it is likely that you have defective LED strips. Power supply and LED strips failures cause similar symptoms in these models. The item "Samsung BN44-00775A Power Supply UN60J6200AFXZC (SEE DIAG TIPS LED STRIPS)" is in sale since Tuesday, December 29, 2020.This item is in the category "Consumer Electronics\TV, Video & Home Audio\TV, Video & Audio Parts\TV Boards, Parts & Components". The seller is "jerrbrownle-0" and is located in Naughton, Ontario. This item can be shipped to Canada, United States.