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Convergence of color with Mitsubishi Model #VS-60707

Tried to adjust convergence, tv won't allow, tv does nothing, I believe its the chip, read if I saudered it, it may help fix the problem, do you have any suggestions or no what I can do without having a costly bill?

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Your symptoms sounds like at least one damaged convergence IC.


You are correct you can sometimes rework the solder connections on each of these IC’s, although, if the convergence does not fix itself from time to time, you most likely do not have a bad solder connection. You will have a faulty IC. I recommend to replace them both at the same time because the chips legs can fall off due to the heat of the IC.

Please be sure to remove all of the white heat sink compound on the heat sink and apply a even coating over the back of the new IC’s. You should also bolt them down before you solder them in so that you have them at the correct height.

There are two and sometimes three very large IC’s that control the convergence in a big screen set. I believe that your set has two. They are secured to a very large aluminum heat sink. I think that the IC numbers will be IC8001, 80002.


The IC’s are large and black, you cannot miss them. They will usually have an STK-XXX number on them.


There are several schools of thought on the replacement of parts and I firmly believe that you get what you pay for, so don’t buy the cheapest IC’s that you can find. One company I worked for tried this and it only caused more work for the technicians, as we had to replace them with the more expensive ones in the end. I would think that you should be able to find these for around $60.00 each. If you can find the exact Mitsubishi part, even though the numbers on the front are the same, and they look exactly like the $10,00 ones, they are better and more reliable.

I hope this information allows you to resolve this issue.
If I have helped you, please help me, and rate this suggestion the highest FixYa rating. (Two Thumbs Up)
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If you need further assistance please comment to this post and I will try to help you further.

Posted on Jul 03, 2009

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1 Answer

Hello I have a mitsubishi vs-45603 with what appears to be a convergence problem.


You may have bought bad chips or your soldering...
This is a common problem on many brands of Projection Tv sets. Its usually a convergence issue. You can get more details and a solution here on fixya using this link http://www.fixya.com/support/r11932741-convergence_repair_dull_video_repair

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Our Mitsubishi rear projection TV model VS-60707 keeps turning itself off. it is like it overheated cuz it comes back on after about 15 to 30 minutes being off, it comes back on by itself.


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My mitsubishi vs-60705 has very poor picture clarity. It can be described as hazy and the color is weak.


It may be a convergence problem...but not sure based on your description.

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 are some photos of convergence problems.

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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.

0667c5f.pngSOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

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Yes,but first it is necessary to repair the problem = replace
both STK392-570 IC's.............Then use remote to adjust
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every five years or so.......................T.

PS Try to match your problem thread model # to actual model #
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Convergence?


not very likly. The chips on this board have to be replaced and the time involved to replace these and service call can be expencsive. If a new board was available you could be looking at a $500.00 bill plus

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