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

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!

2 Answers

Anonymous

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

SLB Sony Projection TV Red Line Repair Guide Blue...

somelifeblog.com

Posted on Jul 02, 2007

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163 Answers

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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3 Answers

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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.

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Red Horizontal Lines

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