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Old 04-26-2018, 10:56 PM   #12
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Join Date: Feb 2010
City & State: S.F. Bay area
My Country: USA
Line Voltage: 120V 60Hz
I'm a: Knowledge Seeker
Posts: 36,262
Default Re: Dell U2413 turning off

'OVP' = Over Voltage Protection.
Most PFC will have Low and High Voltage protection.
So at this points you need to test all those Voltages I already marked for you in the pictures. I hope you did take the Voltage readings on those points I made for you when it is working as I suggested.
Never stop learning
Basic LCD TV and Monitor troubleshooting guides.

Voltage Regulator (LDO) testing:

Inverter testing using old CFL:

Tear down pictures : Hit the ">" Show Albums and stories" on the left side

TV Factory reset codes listing:
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