Question about Sony KP-51HW40 51" Rear Projection Television

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Double image picture

I have a Sony model KP48S70 Rear projection television. When I turn on the tv the picture would be clear then it would go to a double image and stay like this.

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Your set probably originally had cold solder joints on convergence ic's. After this occurs and alignment jumps in and out a few times chips can fail and need replaced. The amps for convergence are mounted on large metalic heatsinks and sometimes protection fuses open upon their failure. Soldering/ desoldering equip. and test equip. are required to perform this repair and most shops charge between 200.00 and 400.00 to do this. Hope I've helped.

Posted on May 28, 2008

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Posted on Jan 02, 2017

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DOUBLE IMAGE ON SCREEN. tOP OF PICTURE LOOK LIKE A


That symptoms are due to failure of convergence out ICs in your TV that will be replaced to get correct converge picture on front screen.

There are 2 big black IC mounted on big aluminum heat sink and number would be written on as STKxxx, these 2 ICs will be replaced.

If you want to repair TV by yourself then confirm model number of TV to provide you more info or call local tech to replace said ICs.
Thanks.

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Double image shows that TV got problem of Convergence Out ICs failure and will be replaced two ICs mounted at D Board of TV.

ICs, STK392-360 are available in Part Store, click to see an image and price info.

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Could be pin correction circuit or your picture tubes could be worn out . Sometimes when the crt's get weak the edges seem not as clear as the center of the screen . Give model number if you think the pin correction may be your problem but, the tv is pretty old and avg. life for them is 12 to 15 years when the picture tubes start to degrade . Good luck

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Unplug the TV from the ac wall outlet for about 4 minutes then plug it back in and turn it on. If it still has a double image then tell me if it's affecting the menu screen from the TV (not the cable menu). And is the double image in red and blue?

C-Dog

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OUR TOSHIBA HAS A DOUBLE VISION/BLURRIE PICTURE. THIS PROBLEM IS ALWAYS THERE. SOMETIMES THE PICTURE IS GREAT, BUT MOST OF THE TIME ITS BLURRIE/DOUBLE. LOOKS AS IF IT ALWAYS ON 3D!! ANY SUGGESTIONS? WE WOULD REALLY APPRECIATE ANY HELP WE CAN GET FROM ANYONE. THANK YOU!

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