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Screen turns black after a few seconds

TV turns on and everything is normal after a few seconds the screen turns black but everything else is normal sound etc. If the Tv is switched off and back on the picture returns then the same thing happens again.

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Check the software and if is is not BX23U-1.5.0.0_03531 upgrade it by downloading the software from www.p4c.philips.com onto a USB stick. If that don't fix the issue change the small signalbaord.

Posted on Aug 19, 2008

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Diagnosing a LCD blank screen problem.


Recently a 3 year old VIzio TV I bought started having problems. The set would turn on normally for a few seconds then the picture would go dark with everything else operating normally including sound. Remembering a similar laptop computer problem I diagnosed previously, I immediately suspected a defective TV screen backlight. To verify this in your own TV, get a very bright flashlight and with the TV operating in the failed blank screen mode, shine the flash light into the blank screen from various angles and distance (including touching the screen). If the LCD is still operating, you'll see a dim motion in the flashlight's reflection, thus proving it is indeed a failed backlight.

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I have a Samsung LED TV which recently facing an issue. When turn it on, everything is normal, however after several minutes, it turns black screen. The next day, it's normal the same normal for a few...


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http://electronicshelponline.blogspot.com/

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Have you tried unplugging the power for a few seconds and plugging it back in?

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