No picture just vertical colored lines

turned on my Sony bravia 42" tv and immediately the whole scree was covered with vertical lines about a pixel or two in width. the color of the lines changed as the image changed. Could it be that the firmware got clobbered and is there a way to reload the software? Had a problem with my 52" Sony years ago and they sent me a thumb drive with a software update that fixed the problem. Called Sony they were no help!

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I have a Sony Bravia KDL-42W705B purchased Jan 2015.

When I turn it on I get full screen of coloured Vertical lines and no sound.

Sony says you may reset the TV settings to the factory default but I can,t as there is no menu or home button due to No picture. Anyone help as SONY say it is out of the one year warranty.


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Deck the Halls
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Bob, you did not tell us which model your TV is. You should get the firmware for your TV from here. Once you downloaded it, extract it to a USB drive. Take that drive and plug it into your Bravia's "service" port. Then turn your TV on and it should install the firmware. If the update should not have the expected result, you might want to post an image of your TV screen on here, so we can see what you see, for a better solution. You could try a reset and see if that makes a difference. Again, we would need your model number to give you the proper procedure. Should any of those things not work, I would plan on trying to find a T-con board for your model. That is the board that controls the LCD's lines and pixels.Hope this helps, good luck.


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the model number is as follows:

Model #: KDL-46VL160

SER. #: 8200289

Manufactured 2009

How do you "reset" the TV


posted an image of the reset procedure. Let us know if it works.


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The same thing just happened to mine 26 Nov 14. Sony has no software available for download for this model at the link. I've seen other references to the T-con board. I've just begun research through the Sony site and Sony community site and directly on line.

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Bob will be eternally grateful.
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