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While viewing my sony projection tv , when screen is dark to black there fine lines across picture ,with arch in the middle

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Please mention model number of your Sony projection TV to provide you help.

Posted on Nov 08, 2008

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I have a 8 year old 57in Sony projection HDTV,when the picture is dark you can see faint blue lines in a curved arch like pattern across the screen.Any ideas? Thanks


The tv problems is call a convergence picture problems,it is just starting to developing.This problems when it is fully developing into a convergence picture problems to the tv eventually.Tv will develope into a colors lines R,G,B mis alignments,have a colors shadow pictures or into a picture 3D look alike.Eventually the tv convergence board will dies,have to have it parts replaced like 2 STK convergence ICS and some or all of it resistors too.This problems the tvs shops will cost u like $300-350 for parts and lobors.

Aug 13, 2011 | Sony KP-57WS500 57" Rear Projection...

2 Answers

Faint red lines in a curved arch like pattern


For this problem, what you have to do is here I found this solution: Right below your speakers on the right and left side are tabs. Pull out the tabs and remove the screw on eachside. Once that is done remove the speaker cover and you will see a fiber board cover in the middle of the tv, there will most likley be twist ties holding some wires, to make it easier to work remove the ties. Now remove the screws on the fiber board and pull it off. You should see 3 adjustments on the top for focus, do not touch those. Below the focus adjustments on the bottom is the blue, red, and green adjustments (they should be labeled). All you have to do is turn adjustment screw slightly to the left(or counter clockwise) and it should clear right up. That should do the trick, Hope this is helpful. Please dont forget your rating.

Jan 26, 2008 | Sony KP-51WS500 51" Rear Projection...

1 Answer

Picture is very blue, especially in dark scenes.


Sony TVs has an Optical Block issue. If there is an issue with the optical block, then there will be green, blue patches or tint on the TV display. Try resetting the TV to the factory settings and try Power resetting the TV. Turn Off the TV and remove the power plug from the wall outlet for 1 minute and reconnect it and check the operation. If the issue still persists, then TV may require service. You can contact the Customer relations team and check for the available options. Sony had repaired free of cost for such issues. Hence, contact the customer relations.

Jul 21, 2010 | Sony KP-57WV700 57" Rear Projection HDTV

3 Answers

Arched lines in dark screens whether it's Cable or DVD playing Model number: KP-57WV600 Sony 57inch rear projection TV


Ur convergence it dead.Do u know how to solders? Tries these websites. Tv repair World.com or Tvrepairkits.com have it.Buy a convergence kit used what in that kit ur tv well get back to normal.The shop will cost u $300 for parts and labors.

Jan 01, 2010 | Sony KP-57WV600 57" Rear Projection...

1 Answer

Red arching lines showing up on screen promident when a dark background is present


Red picture tube needs screen voltage adjust. Open fornt or back of TV and look for a black square looking box with adjustment knobs. Look for red screen adj and slowly turn rt or lft until lines just disappear. If screen goes too bright tv will shut down, just turn back on again and retry

Dec 04, 2009 | Sony Projection Televisions

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

BLACK LINES ACROSS THE SCREEN Panasonic PT-47WX51E


Replace c7136 & c7154 on A board This should clear up your problem

Dec 11, 2008 | Panasonic PT-47WX51 47" Rear Projection...

1 Answer

Faint red lines in a curved arch like pattern


Is there a cheaper solution? $600 sounds like you just throw it away to me...

Aug 02, 2008 | Sony Grand WEGA KDF-42WE655 42" Rear...

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

2 Answers

Very fine red lines across srceen


It is an adjustment, but it's an adjustment you may not want to do. It's the red screen control. It's located behind the front panel so the entire front panel has to be removed in order to access it-which will expose you to hazardous voltages. if you like, I can post detailed instructions on how to get that front panel off, it's kinda tricky.

Jun 13, 2007 | Sony KP-51WS500 51" Rear Projection...

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