Question about Sony KP-51WS500 51" Rear Projection Television

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I have a 2003 Sony KP-51WS500 51 in rear projection TV. After about 10 minutes , I get horizontal white streaks at different levels across the screen. About 10 mos ago, I replaced the d board because the TV wouldn't turn on (power light blinked 9 times). TV had been working after the board replacement until a week ago. Any suggestions?

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Usually it happens when High Voltage thick-red wire coming from flyback transformer is not put properly in High Voltage Block. mean if that wire is lose in HV block, TV will show you white steaks in screen due to spark in HV block.
Make sure to put red thick wire in HV block correctly and you can check it by pulling it back slightly, if it gets lock in HV block, it wont pulled back.
Below image taken from service manual will help you in installation of that wire..
Thanks.

I have a 2003 Sony KP-51WS500 51 in rear - 2fc0b53.jpg

Posted on Sep 06, 2009

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