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

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Sony kp-51hw40 both of my pin cushons need to be replaced. am i able to replace them myself?

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Try to find your model's service manual on the sony site here:
http://esupport.sony.com/US/perl/index.pl

You can also google for the manual. The service manual, not to be confused with the owner/user guide, tells you how to replace parts and perform maintenance.

This link has the instructions on how to fix other similar problems. You have nothing to lose, so I recommend that you try it.

http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

This works with the two other colors, blue and green also. Not all models of Sony Projection TVs have the red, green, and blue pots in the same order as the picture that is listed on this link, so you may want to google search for your model's service manual. The service manual can also help you be able to remove the cover for your particular model of TV. I was able to find the service manual for my model, and sure enough, the order of the pots are reversed on mine, so I would have been adjusting the wrong color. Read all of the comments on this link too, because you can find other helpful tips and may even find someone with the same model of TV as you.

I hope this helps you!
Fare well. :)
Iconoclast

Posted on Jul 27, 2009

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Posted on Jan 02, 2017

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My sony projection tv has bouble image. can i


Well repair of TV depends on your own skills and if you have any experience of electronics stuff repair then it would not be difficult. This kind of repair requires good parts soldering in PCB expertise.

Your Sony KP-51HW40 seems have problem with convergence out ICs (two ICs) that would be replaced. Both ICs STK392-560 are located on D Board and available in Part Store.
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The jitter is called a vertical sync problem. The problem is on the "A" board. It can be replaced or rebuilt but will be quite expensive to service.

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New 500.00 , I have one for sale 150.00 plus shipping trinity-tvrepair@peoplepc.com if you want to buy it.

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