Solved! Help! Can't fix Ssamsung 60" TV

Oct 3, 2020
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Here is a picture on my Samsung 60" UN60J6200AFXZA

https://photos.app.goo.gl/bDXEfdVhJqYowwF18

Tried all I could: replaced the t-con board and mainboard. Swapped all cables. I see no defect on the panel cables either and touching them does not change the picture. I have no idea what to do next. Any help is greatly appreciated! Thanks!
 
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Solution
The swapped parts may itself be defective. Unless you know how to measure voltages on the TCON board and confirm. Then change and reprogram the eeprom chip on the mainboard. This is also likely a panel issue which means TV is cooked. You have to get a new TV.
Oct 14, 2020
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The swapped parts may itself be defective. Unless you know how to measure voltages on the TCON board and confirm. Then change and reprogram the eeprom chip on the mainboard. This is also likely a panel issue which means TV is cooked. You have to get a new TV.
 
Solution