Question about Mitsubishi WS-55807 TV

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Convergence problems WS-55807

At first the blue convergence would not line up and would not adjust properly. After trying to adjust the red and blue, cannot adjust the red convergence at all vertically, horizontal is ok. Is there a fuse associated with this, that might have blown? Where are they located? Looked in the back of tv but can't find them. Please post any suggestions. Thanks!

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  • Sandy Howlett May 12, 2007

    When we first started to adjust convergence, the red convergence would adjust vertically but after it went to the max vert. it just quit adjusting.

  • Mike Jan 31, 2008

    I have the same problem. The red can be adjusted up and down, but the left and right won't move. I just replaced the convergence IC's. I re-touched all solder joints on the ic's. I also checked the connections with a multimeter from the pins to another component on that trace and they all seem good. I started checking other solder joints in the same area on theat board. Is there specific pins I should be looking at? Are there any resitors, caps ot diodes to look at?

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  • 192 Answers

On this model if the fuses that protect the convergence circuit would open up, then the set would not come on. The convergence ICs probably have a cracked solder joint on the foil side of the circuit board.Re-flowing the the solder would help. I will always replace the convergence ICs when doing this job. The labor remains the same and you will have to pay a few extra bucks for the parts. Hope this helps.

Posted on May 13, 2007

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The screen has bowed lines and different colors no sound


If the model as indicate here (WS-55807) YOU may have two problems: Convergence and a audio problem.

In customer menu select convergence and with the Mitsubishi remote try to adjust the grid of lines so no red etc--if bowed it will not adjust.

This would mean the two stk-392-570 convergence chips this model uses need to be replaced(I have free start to finish instructions for that).

The no sound may and is likely a second issue: speakers in the menu may be switched off etc.

If both happened at the same instant this model has a hard reset(not from front of set but with a 4 digit code and done with the Mitsubishi remote) This sets everything except convergence adjustments back to factory original.

It is called the OPTION menu.

So, did both issues happen at exact same time or what?

Parts for the convergence repair are under 30 dollars total and I can tell you where.

Questions?

Mar 28, 2012 | Mitsubishi WS-55807 TV

1 Answer

I have a Mitsubishi Projection TV - Model WS-55807 - 54 ". When I turn it on (not all the time) the words on the TV bow out and the green,blue and red lines separate on the words. The picture is not...


Ur convergence it dead,must replaced using the convergence kit.U konw how to solders?Tries these websites for convergence kit,Tv repair World.com or Tv repair Kits.

Nov 18, 2009 | Sony KP-57WS500 57" Rear Projection...

1 Answer

I had a convergence problem on my Mitsubishi WS-65711 where the red and blue was bending outward from center giving a 3D effect. I replaced the STK pack and the red and blue look good now, but now the...


green is base line center and some times is not adjustable
.Did you replace both convergance chips?
also there are 6 , 2.2 ohm res that get out of
tolarance. check them first

Jun 30, 2009 | Mitsubishi WS-65511 65" Rear Projection...

1 Answer

Auto convergence no longer works on Mistubishi WS-55807


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV2_bing.gif may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jun 12, 2009 | Mitsubishi WS-55807 TV

1 Answer

Convergence is off - Blue and Red are fine Green will not line up


On most units, the Green is constant and the Red and Blue are adjustable. Here are 2 links on how to manually adjust the convergence. There is a menu option using the remote control. Once there, you will find step by step procedure on how to adjust the convergence. Hope this helps answer your question. All the best!
Greg

http://www.fixyourowntv.com/menumitsubishi.php
http://www.ehow.com/how_2034880_perform-convergence--tv.html

May 23, 2009 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

I have a WS-55807 and a bad shadow


either you crossed some wires or you jared the lamp adjustment so it is not projecting right!

May 18, 2009 | Mitsubishi WS-55807 TV

1 Answer

Lines and blue screen on WS-55807 mitsubishi tv


Take your two front grills off ,try adjusting one of the 3 knobs for background color.

Feb 04, 2009 | Mitsubishi WS-55807 TV

1 Answer

Lost Picture


Sound like problem in convergance circuit - Replaced them with STK-392-570 and replaced the bad pico fuses


AAPCO Electronics
Austin, Texas

Feb 04, 2008 | Mitsubishi WS-55807 TV

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