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My lg 50PS50 plasma tv won't turn on. It clicks multiple times and repeats. The indicator light turns red. It does this after unplugging all devices, unplugging the tv.

Diagnosis Steps: 1. Unplugged TV and waited overnight. Disconnected the Y board and the X board. Plugged the power cord back in. There were still multiple clicks. 2. Waited 6 minutes and disconnected all boards. Plugged in the power cord (one click) then nothing. Turned it on at the TV (1 click) then nothing. Unplugged the power cord. 3. Waited 6 minutes and added back the main board (the one with all of the IO plugs on the lower right of the TV). Plugged in the power cord (multiple clicks). Turned the switch on and off (multiple clicks). Unplugged the power cord. 4. Waited 6 minutes and removed the main board (lower right). Reconnected the bottom center board below the power supply. Reconnected the power cord (1 click). Turned the power switch on and off (1 click). Unplugged the power cord. (Note: The bottom center board is still plugged in.) 5. Waited 6 minutes and added the X board. Reconnected the power cord (1 click). Turned the power switch on and off (1 click). Unplugged the power cord. (Note: The bottom center board, the X board is plugged in.) 6. Waited 6 minutes and added the Y board. Reconnected the power cord (1 click). Turned the power switch on and off (1 click). Unplugged the power cord. (Note: The bottom center board, the X board, and the Y board are plugged in.) 7. Waited 6 minutes and added the main board (lower right). Reconnected the power cord (multiple clicks). Turned the power switch on and off (multiple clicks). Unplugged the power cord. (Note: All boards are plugged in.)

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Sustain board fault. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/

Posted on Nov 16, 2016

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Posted on Jan 02, 2017

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