3 Tv not turning on. Just click on/off and standby light blinking
Hello. I just bought myself a defekt LG oled77A16La. The tv wont turn on it just click on/off with 2-3 second between, continuously. The standby light blinking continouesly aswell. What i tried already: i tried to disconnect the cable between power board and mainboard, it just stop clicking but still dont turn on, and No standby light on. I also tried to change the mainboard with another mainboard from a 65 inch , all the cables fitted in but its not the complete same board, the result was the same, just clicking on/off and blinking from standby light. Do you think the problem is from power board or mainboard?
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2.3千 
@mbmb37001 is this the board that had a blown fuse? If so then that is an important detail.
由 oldturkey03 完成的
No, this is another tv 🙂
由 Mb Mb 完成的
@mbmb37001 ;ast picture where the two ribbon cable go under the sheet metal. Take that off and lets see. Have you disconnected the panel yet?
由 oldturkey03 完成的
Ok i have send fotos of everything. Also i have done a tjeck with multimeter. I have standby voltage 11,55 going to mainboard. Standby voltage is 12 on this tv.
由 Mb Mb 完成的
What do you mean by disconnect the panel? If it is the screen you mean, then it is glued on this OLED tv.
由 Mb Mb 完成的
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