tvfch
New User
Oct 7, 2019, 5:23 PM
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SAMSUNG UE40D5700 vertical & horizontal line on top 20% of the screen
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Hello everyone, first, let me apologize in advance as English is not my native language. Please be kind :) I'm posting here hoping to get some help troubleshooting a SAMSUNG UE40D5700 I recently purchased (used). It was working fine and then one day on powering up I noticed a mix of horizontal and vertical lines on the top 20% of the screen (please see https://imgur.com/NuCiFgU and https://imgur.com/hWmJAHm) I don't know if this is the cause but it's right after I plugged a network cable in the RJ45 plug at the bottom of the main board, to try and upgrade the firmware. Maybe I moved or disconnected something on the main board ? I removed the back cover and removed the main board and T-Con board to visually check if something was amiss but did not notice anything. I don't have any equipment (nor kwowledge) to test further, being more of a networking/software guy :) I read a lot of topics saying that it can be the main board, the T-Con board or the panel. Is there a way to narrow it down ? Some tests I can run with limited equipment/knowledge ? Here is an album of board photos, if you need anything more please let me know : https://imgur.com/a/fUzczOn
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