Question about Sony KP-61V45 61" Rear Projection Television

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Kp-61v45green flickers left to right


I replaced the convergence amps on this TV about a month ago and it has been working fine , but in the last two day the green starts flickering from left to right , the red and blue stay where they are supposed to be ...this trouble is different from when i replaced the amps so i belive it to be a a seperate issue.... any ideas?

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There is a convergence board in the back of the tv that needs replaced..my tv was doing the same thing and i rto be replaced the board and it works perfect now.the part should run under 100.00 and has to be soldered in place.

Posted on Aug 17, 2008

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Posted on Jan 02, 2017

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My Sony KP-46WT500 has a yellow arc of color on the upper left side that never goes away even with plug in devices like Wii. It started about 6 months ago and has gotten worse over time. What can I do?...


Very common problems,through out the DLP tv life cycles could happen again again until end of the tv life itself.The tv have a problems known as a convergence picture problems,it is dead.Tv have any colors lines like R,G,B mis alignments,have colors shadow pictures or 3D pictures look alike?Yes?Than the tv convergence board it is dead.The tv convergence board must have it components parts replaced like 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence picture problems.The Shop will cost u like $300-350 for parts and labors.

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I have a Sony KP-57WS510 and am having problems converging. The red works fine however the blue cross on the outside colums of the convergence pattern is off to the left. I am unable to move these blue...


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This is due to failure of convergence out ICs that need to be replaced in D board.
If you are comfortable with TV repair let me know to provide you technical info to fix TV.

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Sony KP-57WS510 Convergence issue?


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fuses under IC heatsinks.....................T.

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1 Answer

The color keeps going out


The repair tech used cheap parts or did not replace both convergence chips.


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.
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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.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. 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.

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TV set after fluid change

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2c07611.pngSolution #2


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

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1 Answer

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Most likely bad convergence IC's! Location numbers should be IK04 and IK05. Generic numbers STK392-110.

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