Question LG 42LB5600 stand by power only

Nov 30, 2020
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Novice here.

My LG has 3.5V at all the right pins coming out of the power supply. The 12V and 24V pins have nothing which I believe is correct when the TV is off.

The TV will not come on via remote or manual power button. It seems to me the main board is not signalling the power supply to power up the 12V and 24V pins. I could be wrong as I'm new at this.

What part of the main board is responsible for signalling the PS to power up after an "on" signal is received?

Any insight would be appreciated. Thanks.
 
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