Question about Mitsubishi WS-65807 65" Rear Projection Television

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The picture has a rainbow on the top and the bottom of the picture.somebody said it was the convergence chips.If I know how to sotter is this something I can fix myself?I also can't seem to locate the chips. thanks

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I think that it hads been magnetised and needs de-gausing. There is, as best to my knowledge, no chip that does this.
What can happen, is a loudspeaker passes very close to the unit an upsets the magnetic field, as indeed a thunder storm can do.
I would get a service agent out to demagnetize it before you go any further

Posted on Oct 16, 2010

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Posted on Jan 02, 2017

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The top and bottom of the picture makes a rainbow effect toward each other in the center of the screen++++++++TV. model 3 ws55807 it's a 55 inch screen the problem occurs all the time. I have no TV repair...


This tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?Yes,than this tv have a dead convergence board.The tv convergence board require changes 2 STK convergence ICS and some or all of it resistors too.Fix the tv convergence board to solved the tv convergence pictures problems.The shop,will cost u like $300-350 for parts and labors.

Feb 08, 2011 | Mitsubishi WS-65807 65" Rear Projection...

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Sometimes I get a rainbow on the bottom of the screen.


Your TV most likely has a convergence 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 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.

Jun 18, 2009 | Philips 60PP9202 60" Rear Projection...

1 Answer

Top and bottom mis aligment and color ribbon


If the picture is curved on the top / bottom and looks like a "rainbow", the convergence amps need to be replaced.

Jun 13, 2009 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Tv has three rainbows on top of screen and picture looks funny


hello it sound like you've got convergance trouble have you tryed convergance setting if so and this hasn't worked the you will have to change the convergance chips get an engineer to give you quote it's a big job trust me i've done a couple myself all the best

shaun

May 01, 2009 | RCA P52926 52" Rear Projection Television

1 Answer

Curved in at top and bottom and rainbow colors on bottom


REPLACE ALL STK?????? CONVERGENCE AMP IC'S & CHECK RESISTORS FOR THAT CIRCIUT

Apr 12, 2009 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

Picture has a swag at top and bottom of picture


hello it sound like convergance trouble can you access the menu and try and adjust the picture if that don't work it could be the convergance chips

shaun

Apr 08, 2009 | RCA Televison & Video

1 Answer

Green rainbow streak on bottom of TV PT-47Wx49E


If Convergence on setup dosen't work, And you think its not STK Convergence chips!, Then "Yes" It more then likely will have a few open Resistors!... (Near STK chips)

Jun 24, 2008 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Bent picture


Not sure if you fixed your problem already. But the answer is a color convergence problem. You can try adjusting manually via the remote and if that doesn't work it is most likely the two main IC chips that control the color convergeance. It is also possible that not only the IC chips have gone bad but also there are a couple of resistors that usually burn out with the ICs as well. They will need to be replaced. This isn't something that I would attempt on your own. Typically a TV technician will charge between 300 and 400 to fix at your house.

Mar 15, 2008 | Philips 60PP9363 60" Rear Projection...

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