Question about Sony KP-43HT20 43" Rear Projection HDTV-Ready Television

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Picture The televison is showing double images.

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  • princessjali Jul 17, 2008

    My tv is showing double images and showing green lines across the screen. Please help

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You need to replace both convergence ICs they are both STK392-560 located on the D Board also should check the 4.7 Ohm 1/2 watt resistors as usually a couple of those will be open as well. You can get new ICs and resistors at the following link, and they provide instalation instructions with pictures.Here's the link.
http://servicemanuals.vstore.ca/

Posted on Jun 21, 2008

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The problem you are refering to is more than likely a convergence problem. The convergence circuit in your tv is controlled by an IC (integrated circuit) stk392-110 and it makes the 3 colors (red, blue, green) line up/converge together to create a clear picture. You'll know when this part needs to be replaced because the picture you see is 3d looking and possibly bowed on the top or bottom or on the sides in any or all 3 colors.

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