Hello everyone. New member here posting because I have an LG 55EC9300 OLED that recently began to act up. I've done some searches here and the technical breadth of this group seems to be some of the best I've seen on forums anywhere (AVS, etc.) so I thought I would request some additional opinions.
This TV has worked fine for years but just two weekends ago we came back from a weekend trip to find that the TV's display only seems to half work. Overall, the operation of the TV is as normal--the TV turns on, can stream Netflix, the HDMI input works, the audio works, the menus work, the smart remote cursor works, etc. The only problem is that while the left side of the screen works perfectly, the right side right around the halfway point starts to fade out, and at 3/4s is actually dark. At this transition, there are horizontal lines as the picture fades away.
I have an extra T-Con board and an extra power supply board that have both been confirmed working--and replacing either board results in the same symptom. Considering everything else works fine, I'd be surprised if it was the Main board. But, since OLEDs are typical all working or not working at all, I'm surprised to see this "half-working" scenario.
Anyone have any insight or opinions? I've tried replacing the T-Con...same. I've tried replacing the power supply board...same. I've tried replacing both of them together...same. I've removed the ribbon cables to the T-Con side and wiped them...same. I've removed the ribbon cables from the panel and wiped them...same.
Any insight or opinions would be very welcomed. Thank you.
This TV has worked fine for years but just two weekends ago we came back from a weekend trip to find that the TV's display only seems to half work. Overall, the operation of the TV is as normal--the TV turns on, can stream Netflix, the HDMI input works, the audio works, the menus work, the smart remote cursor works, etc. The only problem is that while the left side of the screen works perfectly, the right side right around the halfway point starts to fade out, and at 3/4s is actually dark. At this transition, there are horizontal lines as the picture fades away.
I have an extra T-Con board and an extra power supply board that have both been confirmed working--and replacing either board results in the same symptom. Considering everything else works fine, I'd be surprised if it was the Main board. But, since OLEDs are typical all working or not working at all, I'm surprised to see this "half-working" scenario.
Anyone have any insight or opinions? I've tried replacing the T-Con...same. I've tried replacing the power supply board...same. I've tried replacing both of them together...same. I've removed the ribbon cables to the T-Con side and wiped them...same. I've removed the ribbon cables from the panel and wiped them...same.
Any insight or opinions would be very welcomed. Thank you.
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