Question about Sony KP-57HW40 57" Rear Projection Television

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The screen has blue green green, red outlines how do i fix it The Menu has an obvious "curved wide view" and all the picture colors are out of alignment, best in the center and progressively worse outward.

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This is a convergence problem, on some Sony you can fix convergence buy using the controls inside TV.

Posted on Mar 04, 2009

  • Ginko
    Ginko Mar 04, 2009

    If you cannot fix convergence with the service setup procedure, you will need to replace the convergence ICs.

    See procedure below on how to replace the STK ics on Sony.

    Fixing Convergence problems in RPTV's



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Replace the convergence ic.there are two such ic in your tv.on the convergence board.this problem of what you are getting in youyr tv is sure of convergence ic fault in your tv.replace both the ic then only it will solve the problem .the cost of replacing the ic will not be more then $35.its worth getting it fixed.

Posted on Mar 20, 2009

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With projection televisions, and specfically Sony Projection TVs, occassionaly convergence will get out of alignment on the televisions setscausing blurriness or pictures to be outlined with blue, red, or greencoloring. Convergence is the focusing of three images into a single image. If you are having an issue with convergence on your Sony Projection TV, then this would most visible around white lines on the screen that can have a colored halo effect around them.

Thisguide will show you how to fix a convergence issue automatically usingSony's built-in Flash Focus (or FlashFocus) feature which willautomaticaly diagnose, test, and adjust the convergence for yourprojection TV red, blue, and green bulbs.

Asmentioned earlier, the projection tube image appears on the screen inthree colors (red, green and blue). If they do not converge or focuses,the color is poor and the picture blurs.

Before you use your projection TV, be sure to adjust the convergence.

The FLASH FOCUS feature allows you to adjust the convergence automatically. Here is how you use it.
1. Turn on your TV and receive a signal or program for 30 minutes.
2. Press Flash Focus

Thecross pattern shown below appears and FLASH FOCUS begins to work. Theadjustment is completed when the cross pattern becomes white and youare returned to the program you were watching.

As mentionedbefore, it is recommended to perform FLASH FOCUS about 30 minutes afterthe projection TV is first turned on. Additionally, you cannot performany other functions until FLASH FOCUS has completed the cycle. Also ofimportance, if you perform any other operation while FLASH FOCUS is inprogress, FLASH FOCUS operation is canceled.

Finally, on animportant note - unshielded speakers or other metallic objects cancause picture distortion if placed close to the projection TV and maydramatically impact the quality of your Sony Projection TV picture.

Also Have a look here :
http://www.agoraquest.com/searchbb.php?term=blue%20screen%20blinking&addterms=all&forum=all&submit=1&sortby=p.post_time

Posted on Mar 20, 2009

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Http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

click the link and get all the instructions.

Posted on Mar 20, 2009

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Try unplugging the tv for 10 mins, it resets the unit.

Posted on Mar 04, 2009

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It is convergence out ICs failure problem and 2 ICs require to be replaced.
let me know about your TV repair experience to help you with technical info and guide lines, if you are interested to do it yourself.

Posted on Mar 04, 2009

  • Shahid Electronics
    Shahid Electronics Mar 20, 2009

    at least write comments what was wrong in provided info are if you need further info.
    it is convergence ic failure and you need to replace both ics.



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1 Answer

Blurring of lettering on bottom of screen


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2
Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

You can see some more examples and find a fix herebb0cf99.png
http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Apr 15, 2010 | Philips 60PP9202 60" Rear Projection...

2 Answers

Red color outline and double vision


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV2_bing.gif may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Mar 05, 2010 | Sony KP-51WS520 51" Rear Projection...

1 Answer

The picture looks 3D


Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.

42d3683.jpg

7859b01.jpg

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Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Oct 03, 2009 | RCA HD52W56 52" Rear Projection HDTV

1 Answer

My Sony Projection TV middle of the screen curves down on top and curves up on bottom. Picture looks dubble like 3D, screen looks like concaved. Left side of the screen color is light green and blue, right...


This is a very common failure on Projection sets. Its called a convergence problem.
You may have one or more of the following symptoms.
Screen looks 3D
Colors don't line up
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed or warped.
No Audio / No Video - Makes Chirping Sounds
You can see some examples and find a fix here...

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

Sep 26, 2009 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Projection lights don't line up


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

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

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

Jan 04, 2009 | Hitachi 53SBX59B 53" Rear Projection...

1 Answer

Picture in 3d without the 3d glasses


Replace 2 convergence chips, will start with stk ###-###

Oct 02, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

2 Answers

JVC 56TH INC. IArt Rear Projection


If the red is colored outlines or 3d picture then it is a convergence problem.

If convergence is ok, then most likely screen/focus control assembly.


Easyab

Apr 21, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Uh oh... the colors are curved and wacky


replace the amplifier IC chips for the convergence.  part # stk392-???  could be from 040 to 120..  90% chance that'll fix it.

Oct 08, 2007 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Toshiba 43H70 HD Projection TV


this is a convergence failure, there are hundreds of posts about it on this website you should be able to find everything you need

May 23, 2007 | Toshiba 43H70 43" Rear Projection...

1 Answer

WS-55809 - Video pinched in center, distorted, yellow/blue/red glow


This doesn't sound like a programming issue. I had a very similar problem about 6 months ago and I fixed problem. I had cold solder joint on the video power board. It was the board in the middle. The power supply was to the right. The video board had a driver with a bunch of legs. About 7 solder joint where cold or loose. I solder the board and my mitsu wide screen was fixed. Hope this helps.
Andy

Aug 22, 2006 | Mitsubishi WS-55809 55" Rear Projection...

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