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

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My Sony Projection TV Model # KP-51HW40 currently has a GREEN screen, no picture, and only sound coming from the TV. HELP what is the part that needs to be replaced

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1 Answer

Sonny Berry

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  • 8,617 Answers

Sounds like the Green CRT drive board is needing replacement. The Green CRT could also be bad but usually the set will shut down if its the CRT, so I would try the Green CRT drive you can get one from www.tvrepairworld.com

Posted on Jun 10, 2011

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I have no picture and the power light flashes green and then red.

Hi,
I can help you to solve your Sony tv problem.
Is it Sony KP-51HW40 tv or any other model?
How many times red light start blinking after three seconds long pause?
Let me know to proceed, can you check voltages with multimeter in tv circuit board?
Thanks.
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My sony kp-51hw40 has a green screen

This link has the instructions on how to fix this problem and 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
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Screen shakes / jumps vertically on my Sony KP-51HW40

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.

michtech
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KP-51HW40

sounds like the tuner may be going out on the set.
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Sony KP-57wv600 big screen

you will need to replace the Green CRT your model uses the sony # 873365201 CRT. The other site I work for just got a shipment of Sony and RCA CRTs(Tubes) in on friday. So you can get one at the following link these are brand new Tubes and they provide free shipping and free on line tech support with instant messageing in case you need help installing it. Heres the link.
http://servicemanuals.vstore.ca/
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Sony KP-51HW40 No Picture, only sound

to thus problem its very simple .! try to resolder at the back of the picture tube board.
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