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Old 04-30-2018, 09:43 PM   #2
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Join Date: Feb 2010
City & State: S.F. Bay area
My Country: USA
Line Voltage: 120V 60Hz
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Posts: 36,966
Default Re: 55ub850v no picture

What do you get on the screen if you have only one ribbon cable connected one at a time between T-CON and the tab boding board?
BTW, pictures are too out of focus to see Voltage test points on that T-CON board.
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:

Last edited by budm; 04-30-2018 at 09:45 PM..
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