Question about Mitsubishi WS-55809 55" Rear Projection Television

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Color yellow and blue colors on the screen

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 1030 Answers

SOURCE: Colors are off (NO YELLOW. BLUE) has a Green Hue to picture

there may be the possiblity of loose dvi cable between chasis and optical enngine. this is a cable much like a montor cable. it has two screws that tighten it down. reseting this sometime help

Posted on Dec 19, 2008

SD Tech
  • 14553 Answers

SOURCE: Color is wacked - too yellow, blue half moon at top of screen

WS-48315 uses two of the STK-394-250 convergence IC chips---if blue or red will not adjust both chips along with any bad protect resistors around them need to be replaced and the set adjusted.


Both chips can be purchased for under 30 dollars on Ebay---this may not be a job for a do it yourself person--requires soldering skills and ability to get at the chips and un-solder them and replace them.

This set was first made in 2004---if you cannot do the repair yourself--shop around your area---most shops charge at least 300 for this repair and some will not do it in your home.

You have to decide first if you are able to do it or if not if you want to spend money to get it fixed.


IF YOU HAVE ANY QUESTIONS OR NEED ADVICE let me know---I am here to help.

REGARDS, SD TECH

Posted on Oct 27, 2009

electronick
  • 505 Answers

SOURCE: screen has a blue colored ban across it ,with a

sounds like convergence failure
http://www.fixya.com/support/r5001731-convergence_diagnosing_convergence
Let me know if I can be of further assistance.

Posted on Jun 12, 2010

  • 27 Answers

SOURCE: distorted colors on my mitsubishi wd-73727

Projection TV sets are known to have two common problems. The first problem that is common to these sets is convergence failure. When this happens the TV will usually look 3D, Wavy/Distorted, etc. It may also shutdown and blink an error code.

The second common problem with Projection TV sets is dull video, halos around objects, white looking video, or red overpowers the screen. This is commonly caused by the fluid in the lens being clouded overs. To get fixed either call in a local TV repair company or goto sites such as Tv Repair Kits to get a repair kit with instructions. Here is there link.

http://www.tvrepairkits.com/xcart/home.php?partner=papa1dude

They have put together complete kits for most models that include the parts, step by step photo instructions, repair assistance, etc.

Posted on Jun 14, 2010

  • 43 Answers

SOURCE: color problems. last night instantly the color

2 things the cable could be faulty (unlikley)but worth a try
or your lamp is starting to fail

Posted on Jun 26, 2010

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Why do i have a green screen after i turn the screen adjustment screw?


since every display color monitors are only work with 3 primary color which are red, blue and yellow. You could also search it that by mixing these colors, you could get any color your want. Thats how color monitors work. Now in case of green color, it creates by mixing blue and yellow. When you are turning the screen adjustment screw, the red color plug will become lose, makes it appear green.
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1 Answer

My tv screen when on turns yellow then after a while it will switch back to normal colors what can be wrong with it....


Televisions covered: all Projection with yellow picture, but not Projection TVs with a yellowish tint surrounding objects in a nearly normal picture.

Yellow = red + green
normal picture = red + blue + green (RGB). See illustration.

12_27_2011_5_00_56_am.png

Fig. 1 Additive color mixing in an RGB monitor, or RGB Projection TV.

The circuitry powering your blue output, or the blue light engine itself is starting to fail.

Operating Theory:

The lamp module shines a bright light into the optical unit; there are a series of lens and baffles, and at the top of the light engine, a lens puts the picture into a mirror which is reflected onto the screen; All video and color is processed thru the light engine. Blue most commonly fails first, leaving a yellow picture.

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Colors off. blue and yellow not lined up


try to set the convergance if you cant you can adjust the color tubes from inside the tv but have to be very careful to do this. There is actually only 3 colors in the tv red, blue green so I would say your blue and green need lined up

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1 Answer

Yellow Haze Center Screen


The blue filter is burnt out. A very common problem in Zenith DLPs. There are 3 color filters, 1 blue (a pinkish color), 1 green (a grayish brown) and 1 red (it is red) they give you your colors for you picture. This is a simple fix.

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Yellow and Blue shadow on left side of screen


Blue convergence off = needs convergence IC's replaced =
Would you like step - by - step how to ??????

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