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

2 Answers

Red Horizontal Lines

The picture of my Sony 51HW40 recently started showing red horizontal lines. The lines are only viewable when there is a dark background in the picture, especially, when the background is black. I moved about 3 months ago and I'm wondering if the bumps and vibration of moving caused something to get out adjustment; however, the lines seem to have started about 6 weeks ago. Its possible they were there and it has just gotten worse. Any suggestions on how to fix would be appreciated? Thanks!

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2 Answers

These are problems with retrace lines. What you should take a look at are the settings for the convergence / retrace lines Basically you need to open the TV and the job is about 15 minutes to solve the issue with arched lines, either blue, greed, or red. There is a great how-to guide here: http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

Posted on Jul 02, 2007

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They gona get worse to dead circuit, a small capacitor (problably in the neck board) is bothering you, get a tech now that he can see the problem, gonna be cheaper now....good luck ps some times the picture say to the tech was going on

Posted on Aug 07, 2006

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1 Answer

Picture has red curved horizontal lines


This is a common problem. Its called a convergence failure.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3D
  • Colors wont align
  • Screen may look distorted

You can see some examples and find a fix here...

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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It is hard to tell from your description what is wrong--confirm actual model number for me.

I am going to attach some photos of what CONVERGENCE troubles look like--they may or may not look EXACTLY like your set but if you have something similar I can help you with more information.

If this helps you rate this solution as I do this here for free.

SD TECH

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Dec 26, 2009 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Red vertical lines and horizontal flashing lines on viewing screen plus fuzzy picture.


Its bad ccd imager problem in your Sony DSC-T1 camera and Sony will repair it free of cost.
Click Sony CCD Imager Support for details.

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1 Answer

Sony KP-51HW40 51 in. Rear Projection Horizontal lines


Don't waste your time - go out and get another TV. Chaulk it up to that we have all been scamed by SONY. They knew about the problem, did not choose to make things right. They have become the Fat Cat with the attitude that no one can hurt them. We need to show them that they are wrong and boycot their products. That is the only recourse we have.

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It is the CCD and it is a defect, no fix that is economically feasible unless you get a parts cam of Ebay and make one good one. Too bad Sony will not fess up to this model as they have with some other "newer" models like the F717 as it has really put a cloud over the post consumer digital camera market.

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RED AND GREEN LINES HORIZONTALLY ACROSS TV


This sounds like you may have bad picture tubes. Most likely the green and red tubes. You would have to have them replaced and realigned. I would call a Sony ASC and get an estimate to verify this. An onsite service call could verify if this is what's causing your problem.

Jan 22, 2008 | Sony KP-51HW40 51" Rear Projection...

3 Answers

Horizontal Lines


sounds like you are seeing retrace lines. you will have to adjuste the screen control. (it would be like a master brightness.) you will have to removed the front bottom plastic from the tv, look for 2 to 4 screws. then gently remove the front. sometimes the also add velcro to help hold it in place. now you need to remove the small plastic or wooden panel/door. in the upper right side you will see a small box with 6 controls.i do nor remember if the top 3 controls are for screen or focus, use a flashlight it is marked on the box which is which. adjusted the screen control to the left slightly to decrease the color you need. the green is the center control. like you said it is more noticable on dark screens, so try & adjust it in a dark romm with a drak seen. good luck.

Jan 02, 2007 | Sony KP-51HW40 51" Rear Projection...

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