Question about Mitsubishi WS-55809 55" Rear Projection Television

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I cannot adjust the red. It will adjust horizontally but won't

Move vertically. The tv was on and fine, then all of a sudden the red dropped. I tried the convergence, but it won't readjust.

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You have convergence output failure. The output ICs will need to be replaced and possibly a small component like a resistor or fuse or two as well. Expect to pay a service company $350-$450 to resolve this.

michtech

Posted on Feb 20, 2009

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1 Answer

CRT Rear-Projection Red Vertical Alignment


You may have a convergence problem. Here are some of the most common symptoms and example photos.

  • 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


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 email and they will put one together for you. Their kits includes photo instruction guides, original Sanyo STK chips, convergence resistors, pico fuses, etc.

Oct 11, 2008 | Philips 51PP9200D Television

Tip

How to set convergence on Projection TV ' s


I have given an general explanation on most projection TV ' s

  1. Enter the menu on your TV. Use the remote control and bring up the menu.
  2. Choose "Convergence." This may be under "Picture Settings," "Function" or "Advanced Options."
  3. Select a color. You will have red, green and blue to choose from. Do each one, starting with red.
  4. Press "Enter." A crosshair pattern will appear on your screen.
  5. Adjust vertically. If there is a horizontal red line visible, press the up or down arrow keys (or channel up or down) to adjust the convergence until the line is superimposed on the horizontal-center line of the white crosshair.
  6. Adjust horizontally. If there is a vertical red line visible, press left or right (or volume up or down) to adjust horizontally. Do this until the line is superimposed on the vertical line of the white crosshair.
  7. Save settings. It is important to save your settings when you are done, instead of simply exiting the menu.
  8. Repeat these steps for all colors.

on Mar 18, 2010 | Projection Televisions

1 Answer

Convergence


you need to replace both convergence ICs they are STK392-110 you can get replacements at the following link with free installation instructions so you can do the repair yourself.
http://servicemanuals.vstore.ca/

Aug 23, 2008 | Mitsubishi WT-42311 42" Rear Projection...

3 Answers

Can't control red convergence on VS-45607


The STKs are three channel ICs they each control horizontal and vertical of one color the third channel controls part of green and the other half of green is controled by the other ICs third channel. Its customary for the Ics to fail and only have one channel bad in the IC. However its recomended to change both because of the bad Ic having green it can actually weaken the other IC and that one will fail shortly.

Aug 03, 2008 | Mitsubishi VS-45607 45" Rear Projection...

1 Answer

Sony kp53v80 Red convergence stuck vertically


Did you replace the convergence ICs? The 4.7 ohm 1/2wwatt resistors and the pico fuses? Let me know and I will assist you, as often sonys will blow the 3.5 pico and a few of the 4.7 ohm 1/2watt resistors when the Ics fail.

Jul 28, 2008 | Projection Televisions

1 Answer

Convergence problem with Toshiba TV 42H83


I am still working on it! Need a technician in Alacante Spain!

Jul 25, 2008 | Projection Televisions

2 Answers

Hitachi 51SWX20B Convergence problem


Solution:

Your TV has a convergence problem. Here are some of the most common symptoms.

Screen looks 3D
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed in or warped.

Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence or magic focus section.

Try to adjust the 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.

Its a fairly easy fix on the Hitachi sets.

You can get a repair kit that includes all the parts from www.TvRepairKits.com. The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc.
Everything you need to fix it yourself.

Jan 28, 2008 | Hitachi 51SWX20B 51" Rear Projection...

4 Answers

Convergence problem w/ red horizontal only-WS-65807


Do not try to adjust anything yet!! Adjustments do not get out of alighnment all of a suddenly. The convergence adjustments are there to do minor aging alighnments. I would first check for bad solder connections on the convergence IC's first.

Sep 08, 2007 | Mitsubishi WS-65807 65" Rear Projection...

1 Answer

No horizontal red convergence control


Probably the red convergence output IC has failed. The chip is basically a stereo amplifier that serves as a horizontal amplifier and a vertical amplifier. I suspect the vertical part has failed and is not uncommon. Should be generic STK392-150's or maybe STK392-110/120 I believe. By the way when the line moves up and down that means the vertical is working when it moves side to side the horizontal is working.

Feb 03, 2007 | Philips 60PP9202 60" Rear Projection...

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