This is a fairly old TV---I am going to guess it will have a date on the back of around 1995. It is so old many parts are not available for it.
However---if the convergence is off and will not adjust in some direction--one of the convergence chips is most likely bad---most of the sets made later used two chips but this one may use 3---
If you remove the back cover of the set and look on the far right side you will see a very large metal heat sink with fins---the chips are usually bolted to one side of it and are black in color----they will have the STK number printed on the front of them in white---the older sets used 3 of the STK-4274----one each for red, green, and blue--you do not see many of these chips fail--also there are at least 15 resistors in front of them that need to be tested --not always easy on the older sets as they placed a cloth sleave over some of them.
If you find you have only one color that is skewed and the set has 3 chips---you will need to locate the chip that controls that color---I have already looked online and there is not much information about which is which if it has 3 chips------
If it happens to have only 2 chips---it will be much easier---change both and any bad resistors and adjust the set with the original remote--convergence needs the original remote---I have one older--1991 60 inch----they last a long time--but lots of the parts for the older ones are no longer available.
Let me know what you find and if you have any questions let me know.
SD TECH
Your symptom sounds like a damaged convergence IC.
You should be able to get a local service center to repair this at your house for between $350.00 - $450.00, If you want to repair this set yourself, I have some insturctions below that will be a help to you.
While it is not a very hard repair, this repair can be a bit tricky. If you have a 45W soldering iron, solder, solder wick, and heat sink compound you can repair it yourself.
When you remove the old IC's, please be sure to remove all of the old heat sink compound, as it can act as an insulation for the new IC's and cause them to overheat. I usually clean the heat sinks with alcohol and a small rag.
There are two and large IC’s that control the convergence in a big screen set. Some of the newer sets only have one. If you only have one, it is right in the middle of the set on the center circuit board. They are secured to a very large aluminum heat sink. They will have a part number stamped on them that will start with an STKXXX-XXX, like STK392-110, and they are located on the signal board (on the left as you look into the back of the set).
Along with the convergence IC’s there will also be some associated components that will need to be replaced as well. There are some resistors that are part of the convergence circuit that will be open and need to be replaced. Most likely these will appear charred in the center. If you have an Ohm Meter or a DVM, check all the resistors that are close to the IC’s and you should be looking for either ones that have opened or have changed values.
If one of the convergence IC’s are found to be bad, I would replace them both, if one has gone bad the other may go soon. I usually order my parts from Andrews Electronics in California, they will have the OEM components that you will need.
Their site is http://www.andrewselectronics.com/welcome.aspx
And their phone number is a 24-Hour Order Desk: (800) 274-4666
I recommend the phone order so you can talk to the person about the different types of IC’s that are available.
I would also advise that the convergence IC’s be OEM or better, just because they are cheap does not mean that they are a good deal. I have seen the cheap IC’s fail after a short time, even though they look exactly like the OEM IC’s. I think that the bottom line is that you will get what you pay for when it comes to the parts.
You can also try http://www.tvrepairkits.com/ , I have not tried them yet, but they do carry OEM or better parts.
I hope this information allows you to resolve this issue.
If you need further assistance please comment to this post and I will try to help you further.
asnowman
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. , JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit from the link below.
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 solution
CONVERGENCE SOLUTION
CONVERGENCE SOLUTION
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