Question about Sony Grand WEGA KDP-57XBR2 57" Rear Projection Television

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Convergence problem The convergence looks aligned in the center and is out of alignment as it get to the edge of the screen. The auto convergence has no affect. Ted

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Re: convergence problem

One or both of the convergence IC's are bad and has blown one or both of the fuses. Pull off the front speaker grill and remove the cover, loosen 2 brass scews holding the aluminum frame work, lift it up and out. Inspect The convergence IC's and the soldered connections to the board, check the fuses on the board. Replace both IC's and the fuses.

Posted on Nov 27, 2007

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On one side of the screen the red projection doesn't line up with the others. It is about 1" off at teh edge of the screen and lessens to where they align about 11"-12" towards the center of the screen. ...

The tv have a problems known as a convergence problems,it dead.The tv colors lines R,G,B mis any alignment,have colors shadows or picture look like 3D pictures.The tv convergence board the 2 STK convergence ICS and some or all it resistors are dead.These parts on the tv convergence board,must be replaced to solved tv convergence problems.The shop,will cost u $300-350 for parts and labors.

Sep 08, 2010 | Hitachi 60SDX88B 60" Rear Projection...

7 Answers

I hav a RCA model D52W25 its 52" it has convergence problems dont know how to setup the color things can u help??

Click on the following link : Go to the following section

RCA 52" D52W25 ITC222 rca_d52w25_small.jpg
(2) (3) (4)
(5) Stretched Image at top and bottom edge very distorted. Reheat all the surface mount solder points on the Small Signal Board. Then realign the set including convergence menu. To enter service mode: power off the set for 10 sec, then hold down Vol- and Ch- buttons for 10 sec. See this link: Alignment Procedure (pdf)

Also download the Alignment procedure pdf file. Hope this will help you. Please let me know if the information was of any help to you or you need further assistance.


Oct 08, 2008 | Projection Televisions

1 Answer

The color is way off on the tv. It also looks curved, like if there are words on the tv they go up at an angle toward the edges of the tv. When you try to align the color on the tv you can get the center...

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

Problem #1) Convergence


  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

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


Feb 01, 2010 | Philips 60PP9202 60" Rear Projection...

1 Answer

Pushed the auto convergence auto set by mistake

This is a problem with the convergence circuit and was not likely caused directly by you. The burning smell was a resistor smoking. You now have a defective convergence IC as well as a few open reisitors that will need to be replaced. If you can update this with the model number, I will list the parts you require and the costs. Expect the parts to cost in the $25-$35 range.


Dec 28, 2009 | LG Projection Televisions

1 Answer

Ghosting or distortion on edges of screen

The most likely cause is shorted convergence chips and possibly a few pico fuses.

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,Pioneer2_bing.gif 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

Jan 26, 2009 | Hitachi 43F300 43" Rear Projection...

1 Answer

JVC AV56-WP74 Convergence problem

Hello saduchan,

I think that your ICs are ok, What you need to perform is what is called dynamic convergence, This involves using the internal convergence controls to align the outer edges of the screen. I am assuming that the center of the screen is ok? it's just the edges which are misaligned, right? Now for the bad news, this task is not easy in fact the job takes a pro about 6 to 12 hours to do it right. I think you should have a qualified TV technician attempt the static convergence setup followed by the dynamic convergence setup.

I hope this helps,

Thank you,


Dec 29, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

PT-61G63 Convergance

Your convergence IC's most likely need to be changed, possibly some resistors as well.
Do you know how to solder and use a meter? If so you may be able to fix this yourself for under $100. If not you will need to repairman to repair it, this should cost around $300-$500 Let me know if you want to repair it so i can get you going.

Tim Nolan

Sep 12, 2008 | Panasonic PT-61G63 61 in. Rear Projection...

1 Answer

Red convergence is bad.

Hi, you need to change the convergence ICs , STKs: and some resistors,low values; , after changing them, you will have to go into the service mode, to do some adjustments.that's it.

Nov 27, 2007 | Samsung HCN4226W 42" Rear Projection...

2 Answers

Warped Picture, Separated colors

Each color (red,green & blue) has an amplifier IC (STK-).
When there is a convergence issue,the first step is change both
IC's for reliability. Then check for open fuses devices,usually
pico fuses.Then re-check convergence alignment.......T.

Feb 07, 2007 | Philips 60PP9352 60" Rear Projection...

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