Question about Sony KP-46WT500 46" Rear Projection HDTV-Ready Television

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SONY KP-46WT500 Arched red lines appearing, mostly noticeable when the screen is dark. I have heard there is a simple fix for this problem. I read something needs to be tweaked with screw driver, but i do not know how to get to it. Most of the posts are for larger sized Sony models where the front speaker panels appears to be easier to remove. Please help.

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  • brian1000 Jan 01, 2008

    Same problem with this KP-46WT500 with green lines

  • Ancowboys Jan 02, 2008

    I have same red arched lines. need help

  • bubinpdx Jan 03, 2008

    I have the same problem and know how to fix it, but I can't get that front cover off. I've removed the four screws from the back of he cover, but there appears to be something else holding it on and, of course, I don''t want to break it. Your advice would be much appreciate.

  • Anonymous Feb 16, 2008

    Arched lines - like cameras are out of alignment

  • SeussDog Feb 25, 2008

    I have the same problem, but this thread only recommends turning down the amount of red. Is that the only solution?

  • cdmason58 Apr 03, 2008

    I have the same arched red lines appearing. The picture looks perfect except for this very thin and arched lines.

  • Ancowboys May 11, 2010

    I changed the convergence ic's and the red lines have gone away. Now there still seems to be a problem with convergence. The picture appears to be bent and double writing. Is there anything that could be adjusted.

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After all the screws are removed, the panel pops on . They use plastic dowls inserted in rubber. The brightness may need to be turned down on the color that has little lines appearing. The brighness is on the picture tube board on each picture tube. Good Luck
Ed
NC Electronic
Mills, Wyoming

Posted on Jan 06, 2008

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1 Answer

Problem with Sony KP46WT500: Each line on the


These sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks Distorted/3D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking screen
  • White looking sceen
  • Halos around objects
  • Red/Orange looking

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

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Mar 16, 2010 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Thin red arched lines, when screen is dark.


common problem with sony, focus and picture level need to be adjusted, should be done by a tech. (high voltage) in focus block.

Nov 24, 2009 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Arched blue lines across screen of Sony 63" Rear Projection TV


Had this problem bout 2,3 years ago...it was fixed in about 5 minutes with the help of this article

Tonight I have to do this fix again..the blue lines came back about a week.
http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html
I strongly urge you to save the web page locally on your hard drive or print it out and place with the tv manual....

Good Luck..

Jan 05, 2009 | Sony KP-EF61 61" Rear Projection...

1 Answer

Sony KP-46WT500 Red, green and blue lines appearing on screen


your convergence IC;s are out, they cost about $40, if you know how to solder, you can do it your self, if not , I would try to find somone that can, service centers charge about 4 or 5 hundred, after you get the new ones, there easy to find on the board in the back of the tv

Nov 26, 2008 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Dark screen red arched lines


turn down the red screen control slightly the box is located behind the grille 6 knobs on it look carefully for the screen making on it for red do not adjust any other control best done in a dark room with no source in a video input if the tv will not auto align you have the control backed off to far

Oct 06, 2008 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Red Bowed Lines / Red Hue


I tried the solution that was posted for this problem and it worked!
Just remove the Low front panel by removing the two bottom screws that are covered by two screw covers, then remove the second panel (black) by removing the 4 screws then you'll notice a module with 6 adjustment knobs, get a small screw driver, and with the t.v. on, being carefull , and with somebody accross the room looking at the screen begin with the lower left knob and turn left very slowly and ask the person across the room to let you know if the screen is better or not, after this I had to adjust the green as well so, I adjusted the next knob over to the left. Do this adjustment carefully and try to remenber the original position of the knobs in case you have to go back.f
Good Luck,
Californian.

Jun 03, 2008 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Blue and red arched lines on screen when background dark


Sounds like you are describing retrace lines that could indicate that your CRTs or something in the drive circuits are bad.. Check the resistors on the CRT sockets to see if they are in tolerance. If they are try turning the red and blue screen adjustments down just a little this should take the lines away. You will however be needing service in the not to far future. Turning the screens down should help if the resistors check out. Let me know if you need anything further.

Jan 31, 2008 | Sony KP-48S35 48" Rear Projection...

1 Answer

White arched lines appearing on dark/black screens.


it sounds like you are seeing the vertical retrace for all three colors together (white). Its possible that all three screen adjustments (red, green, blue) are off, but I suspect a problem with the screen power supply.
there is also a recall on this set
http://esupport.sony.com/perl/news-item.pl?mdl=KP51HW40&news_id=24

Jan 23, 2008 | Sony KP-65WV700 65" Rear Projection HDTV

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