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Lg rt 56nz23rbLG Rear Projection Television Model RT-56NZ23RB -switches on for 10 seconds with sound but no picture and than switches off by going into stand by position.The horizontal and vertical outputs have been checked..all good..What can i do after?

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Thus problem sounds like you have some failed capacitors on the power supply circuitry. I have had this problem on an older TV and it was solved by replacing the popped caps. Do not try this repair yourself, unless you are confident you can do so safely! Also make sure that you unplug everything before poking around inside!

Posted on Mar 19, 2014

Testimonial: "Thanx Robert..see what i`ll do tomorrow and let you know..Cheers"

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