Question about Mitsubishi WS-55809 55" Rear Projection Television

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Curved in at top and bottom and rainbow colors on bottom

Mitsubishi WS-55-807
top and bottom of picture curves in and rainbow colors at top and bottom

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

Posted on Apr 12, 2009

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1 Answer

Ws55809...curve at top and bottom of screen


You should have some adjustment for Kine bias and pincushioning. Look for these in settings and readjust the screen

Mar 02, 2010 | Mitsubishi WS-55807 TV

1 Answer

Mitsubishi 1080 hd series 65" Curved picture


The problem is the convergence circuit.
Mitsubishi used two different types of convergence IC's in this series. The first is a pair of STK-392-570, the second is a single STK393-110. The only way to fix the problem is to replace the appropriate IC'S. In some cases the problem may appear to be intermitent or loose solder connections. Save yourself the anguish and replace the IC'S.
Getting the PowerSupply/ Convergence board
out to do this is tricky and I recommend a professional to do it. Hidden screws on the front of the heat-sink make it difficult to take out and you can break the board easily trying to force it.

Jun 17, 2009 | Mitsubishi WS-55613 55" 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

Mitsubishi VS-4561 picture curved inward


Its Your Convergence Chips!. And Maybe a few Resisters!. Common Problem with this kind Of Set!.....

Jun 30, 2008 | Mitsubishi VS-45607 45" Rear Projection...

1 Answer

My Mitsubishi WS-65313 65 inch, Convergence Problem???


This is a common problem on projection tvs. There are two convergence chips that need to be changed. STK394-250 or original Mitsubishi # 267P173010 (recommended)

Mar 05, 2008 | Mitsubishi WS-65313 65" Rear Projection...

2 Answers

When Turned on Picture curved at top and bottom


I would try soldering your convergence amp ICs. Mitsubishi has had some issues with sparse solder at the ICs Dress up the solder a bit and see if this helps. If not you will no doubt need to replace the ICs there are two of them and they cost about 10.00 each. Let me know if you need anything further.

Jan 31, 2008 | Mitsubishi WS-55809 55" Rear Projection...

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