Question about Vizio VO47L 47 in. LCD TV
After a half hour to two hours use our display, using HDMI, will become garbled for a fraction of a second and then go black, but still has sound. We have tried other inputs with similar results. After turning off, unpluging the TV, and waiting a few minutes, we can then plug in the TV and turn it back on with a normal picture--this only lasts for a few minutes before picture loss repeats.
This is NOT a problem with the backlight as we can obviously see some light seepage when the LCD is polorized during failure. This is NOT a problem with the LCD array as there are no defects during initial operation. This IS a problem with one of the boards inside the TV.
Does anyone know witch board/component is causing this intermitent failure once the temperature has obviously warmed up from use?
I would check to see if there are any firmware updates for your tv on Vizio's website. This usually involves downloading the update onto a usb stick and turning the tv on with the usb stick in the tv's usb port.
Before picture/sound is shown on the tv, the source and tv talk to each other over HDMI to make sure there's no piracy going on (don't you just love DRM?). If the source gets a strange response or doesn't get a response fast enough, it may assume that something illegal is going on and cut the connection to the tv.
Posted on Aug 02, 2009
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Posted on Jan 02, 2017
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