Question about Sony KP-61S65 61" Rear Projection Television

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Blue Convergence - TV is 7 yrs old Everything is working fine except you see a blue double image of the screen. I have tried to correct this through the TV setup by adjusting the blue convergence crosshairs. I am not able to move the crosshairs left or right, I can move them up and down. Red convergence adjustments work fine. Looking for a in house soultion. Thanks, Kruzen

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  • Anonymous Nov 06, 2007

    I have the same issue except my blue will adjust side to side but not up and down

  • EDAN003 Nov 11, 2007


  • Pipernga Nov 15, 2007

    Hello, I have the same problem as described. I replaced the STK392-110's with STK392-180's, because I read that the chips are most likely the problem. Unfortunately, it still has the same problem. I am currently working on a degree in Electronics Technology, and have minimal experience troubleshooting circuit boards. Does anyone have any idea what I need to check next?

  • Anonymous Nov 20, 2007

    I am having the same problem with mine the red convergence line are perfect I have excellent picture quality but its like the blue is not aligned with the red and green so my picture has a yellow greenish tint could someone please e mail me and let me know if this is normal im a digital artist not an electronics expert thanks.

  • JCarter Nov 20, 2007

    I am having the same problem the blue convergence lines will not move up or down just side to side. but everything else matches up fine I have great picture quality except for the color being yellow greenish tint is that normal since that blue is not mixing so im only getting 2 colors instead of RGB? Im a digital artist not a tv repair man thanks

  • 1969nova Nov 23, 2007

    TV was purchased in 1996 Hitachi Ultravision picture is getting darker and has blue shadow. I had the same problem a few years ago and payed for a repairman to come to my house for service. He told me to occasionally push the magic color button but this does not fix the problem. HELP!

  • dugen Nov 24, 2007

    my set was only 3 years old when this problem developed, my blue has shifted to the left severly and canot be adjusted. if you look to the upper right of the screen it actually looks bowed in to the left(blue)

  • too short Dec 12, 2007

    I have replaced my convergance board and now blue will not focus using the perfect focus feature. what should i do next. I'm an electrician and can troubleshoot using a multi-meter.


  • mishuty Jan 27, 2008

    how do you get into the screen to move the cross hair? i am having the same problem with my TV. thank you.

  • Tumor Feb 01, 2008

    My projection tv has all the sudden acquired blue double shadow-ghosts. When I run the picture perfect, all colors align except the blue. Please help on what parts I may need to replace. Have only tried adjusting the color through the menu picture settings with no luck.



  • Kushilla Feb 14, 2008

    I have a blue glow appearing at the bottom of my 62inch rear projection TV. Am not sure what causes this or how to get this repaired. Any suggestions for repairs would be welcomed.

  • Atropos Mar 28, 2008

    I have practically the same problem. I have a different TV, a Toshiba 42hdx82 and the problem is with the red, not the blue. I can adjust everything to line up fine, except for adjusting the red right and left. it' won't move, and the picture is almost an inch off. Looking for some kind of DIY solution.

  • ulees May 11, 2010

    which STK (blue & red) we should use for his model TN55X81? where to buy? Thanks!



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Convergence problems are generally simple repairs, presuming you know how to solder and have a bit of brains about you. Eventually every projection set will have this problem - STKs are usually at fault (STK392-010/020/040, STK392-110/120/150/180, etc) and are easily aquired and replaced. Sometimes a fusible resistor is taken out in power supply circuit, sometimes a resistor will burn. Generally easy fix. Repalce STK and any fusible/blown resistor - you will need a multimeter, decent soldering equipment (NOT a 40watt iron or gun from Radio Shack, unless you're brave) and the replacement parts. But as everyone says - servicing TVs can be hazardous. Call a servicer if you're concerned, but in-shop repair should cost less than $250 - it would never exceed that at our location.

Posted on Jul 11, 2006


I am getting a blue and yellow shadow on the piture and words. If anyone could e-mail me how to fix this.

Posted on Feb 04, 2008


Buy a new TV like I'm gonna do.

Posted on May 24, 2007

Suggest replacing BOTH ic's red aND blue and of course depending on the make and model there will be a few other things to check.... gl

Posted on Mar 18, 2007

I just had my Pro 200 fixed with the same problem - needed 2-STK394160 and 2- FRX 25512RO and 1 - FRX25533RO This was to fix the digital convergence assembly, definately not a DIY job.

Posted on Feb 22, 2007

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Everywhere here in gainesville is rtying to charge me 400 dollars I call them with the exact problem above and they all say it could be a multitude of prolems and on a TV that size i'm looking at a minimum of $375

Posted on Feb 29, 2008

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I purchased a RCA 61" HDTV 15 months ago at aprox $2000.00. Ofcourse RCA making such great products and backing those products !! Will not cover parts or labor except for the tube after 12 months? I have researched and discovered i have a convergence problem related to 3 or 4 (21 pin chips) part # STK392-110 , 112 ect.... can these be replaced fairly easy or are they hard wired ) soldered in. I need to know where these are located and with me and my wife electrical back ground can we fix these ourselves if we purchase the parts. I do not have a tech manual or scematics to help locate these chips? Can you tell were they are located or were the card is located that they are on? Thanks in advance for your help and site !!!

Posted on Nov 15, 2007

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If still under warranty or if you have no electronic repair experience you should take the set back to the shop or to a repair person. Some of the solutions described below can be dangerous, TV's are very hazardous to service. Even when plugged out, TV's can store very high voltages. Check the blue horizontal convergence amp on the convergence panel. Whether or not this is an in house solution, is up to your experience in electronic repair and specifically TVs. Good luck

Posted on Apr 02, 2006

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Posted on Jan 02, 2017

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SOURCE: Philips 60" hdtv. Convergence problem

what is the model number of your set and I will be able to help you with your problem.

Posted on May 07, 2008

  • 13 Answers

SOURCE: Sony kp53v75 TV with blue convergence off right by half inch

it is a convergence problem u may have 2 replace conv ic's and some resistors

Posted on May 11, 2009

  • 3459 Answers

SOURCE: convergence problem with TV Pojection Sony KDP65WS550

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 projeciton 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.



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


You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

Posted on Jul 11, 2010

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These procedures are from the owners manual, go into menu and then picture quality and then: Convergence The Convergence feature lets you adjust the TV’s three tubes. When the TV tubes’ images are precisely aligned, they create the color images you see on the screen. Over time, the picture can drift out of alignment (this is normal). If your picture seems fuzzy or has a yellow tint, using Convergence could correct this misalignment. Only one convergence is needed for all inputs, regardless of the signal format. Note: Make sure the TV has been on for at least 30 minutes (TV needs to warm up for best results) before starting Auto Converge or Red/Blue Centering. When you select the Convergence feature, a submenu appears with three options: Auto Converge Automatically aligns the projection lenses to self-correct color images. You’ll see flashing squares of color dance across the screen (this is normal). Note: After performing auto convergence, use the Blue Centering and Red Centering menus to fine tune convergence in the center of the screen, if necessary. Blue Centering Aligns the blue and green images to fine-tune the picture. Red Centering Aligns the red and green images to fine-tune the picture. Note: The ability to change channels is disabled when adjusting the convergence options. The TV must be tuned to a usable signal to converge the picture.

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

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

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You can see some more examples and find a fix herebb0cf99.png

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2 Answers


Your TV most likely has one or more possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem
  • 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.
Here is a quick test....

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

Try to adjust the red and then the blue convergence.

You should be able to move them up, down, left, and right.

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

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.

Problem #2 CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

TV set after fluid change


2c07611.pngSolution #2

What you will need to do is replace the coolant and clean the crt. You can get a repair kit from that includes replacement coolant, photos. instructions, etc.

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Blue convergence IC is bad, but change both as red wont be far behind they are cheap about 10.00 ea at the following link.

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