Question about Mitsubishi WS-55805 55" Rear Projection Television

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Blue tint to picture, looks 3D - Mitsubishi WS-55805 55" Rear Projection Television

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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

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6ya6ya
  • 2 Answers

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

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

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Posted on Jan 02, 2017

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  • 185 Answers

SOURCE: no blue just red and green tint

adjust the blue bias on the high voltage block .
it has focus and bias for all three colors

Posted on Dec 26, 2008

Slinteriors
  • 8617 Answers

SOURCE: Picture problem on 52 inch rca rear projection tv

convergence problem. need the model number of your tv in order to assist you.

Posted on Jun 23, 2009

Slinteriors
  • 8617 Answers

SOURCE: color is splitting, and almost looks 3D.

the ITC222A convergence option missing repair kit at the following link should repair that issue. The kit contains the parts and the instructions on CD
http://www.tvrepairworld.com/

Posted on Jul 19, 2009

taran_2005
  • 10515 Answers

SOURCE: rca model d52w23 picture bowed,

Hi,
It is possible that the CRT is shorting to the convergence Yoke, pretty likely actually considering the new one lasted 15 minutes.
To fix this you must use RTV or silicone and put it all around the suction cups that are on the CRT, this is usually where the voltage develops a leak and can short out various components.
Silicone or RTV those up, then replace the fuse and see if it fires up.
If it fires up and the picture is bowed again (convergence) then you will have to replace the board again :(
The other possibility (very unlikely) is that the CRT centering is so farr off that the convergence chips have to do extra hard work to align it, this usually only happens after a CRT replacement or Yoke replacement.
Let me know, if needed further assistance.
Hope i helped you.
Thanks for using ' Fixya ' and have a nice day!!

Posted on Nov 02, 2009

  • 8457 Answers

SOURCE: pictures looks 3 d

The tv have a problems known as a convergence problems,it dead.The tv convergence board require it 2 STK convergence ICS and some or all it resistors to be replaced to solved the convergence problems.The shop will cost u $300-350 for parts and labors.

Posted on Jul 04, 2010

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My 50 in Phillips rear projection has a bad green tint and switches to a bad red tint what can I do?


All projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both.

Common Problem #1) Convergence has gone out

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

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....

  • 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.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


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Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

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TV set after fluid change

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69189a5.pngSOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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We have a blue tint and a shadowing effect that makes it appear to have a double on the screen of the same figure / word(s)


This problems is known as a convergence problems,it dead.The R,G,B colors lines mis alignment,have colors shadows or picture look like 3D pictures.The tv convergence board,it dead.Require,must be changes 2 STK convergence ICS and some or all it resistors to solved tv convergence picture problems.The shop,will cost u $300-350 for parts and labors.

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Picture problem on 52 inch rca rear projection tv


convergence problem. need the model number of your tv in order to assist you.

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No blue just red and green tint


adjust the blue bias on the high voltage block .
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Blue tint on sides of picture


Check for any cold solders and do dry soldering on the PCB and try changing the flyback, it looks like the flyback is dying. Try this.

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2 Answers

Picture settings



Colorimetre HCFR software
AVC HD 709 calibration disk
Spyder2 colorimeter (I know most prefer the Eye-One meters, but the Spyder2 was available from my job at no cost)

Here are the settings:

PS3 Blu-Ray player

Output Format (HDMI): Y Pb/Cb Pr/Cr (important!!! NOT RGB output)
BD 1080p 24hz Output (HDMI): On (this TV can reproduce video at 48hz for accurate 2:2 pulldown)
Y Pb/Cb Pr/Cr Super White (HDMI): On (not sure if this matters)

42LG50 Settings

Aspect Ratio: Set By Program (Personal Preference)
Picture Mode: Expert 1
Backlight: 50 (Personal Preference)
Contrast: 54
Brightness: 54
Sharpness: 40 (Personal Preference)
Color: 50
Tint: 0

Fresh Contrast: Off
Noise Reduction: Off
Gamma: Medium
Black Level: Low
Real Cinema: On

White Balance: Warm
Method: 10 Point IRE

10 (-3,8,-16)
20 (15,24,-21)
30 (20,36,-22)
40 (3,19,-40)
50 (8,34,-41)
60 (10,50,-20)
70 (-5,50,-8)
80 (-16,50,18
90 (-14,50,30)
100 (-22,38,21)

Red Color: -3
Red Tint: 0
Green Color: 10
Green Tint: 0
Blue Color: 14
Blue Tint: 0
Yellow Color: 0
Yellow Tint: 1
Cyan Color: -11
Cyan Tint: 0
Magenta Color: 0
Magenta Tint: -2

Take time to get used to the settings, you may think the screen looks dull at first. The truth is most people have way too much contrast on their TVs.
These settings will also work for Cable or Dish hookups, in which case you may change the Noise Reduction option to Medium to reduce signal noise.

OR....

2POINT IRE

Backlight: 65
Contrast: 55
Brightness: 45
Sharpness: 50
Color: 45
Tint: 0

Fresh Contrast: Off
Noise Reduction: Off
Gamma: Medium
Black Level: Low
Real Cinema: On

White Balance: Warm
Method: 2 Point

Red Color: 3
Red Tint: 0
Green Color: 9
Green Tint: 2
Blue Color: -1
Blue Tint: 0
Yellow Color: 6
Yellow Tint: 5
Cyan Color: -1
Cyan Tint: 1
Magenta Color: 2
Magenta Tint: -1

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Picture fads to Blue after a 30 minutes the picture comes back with a blue tint.


yeah you need a tech to adjust the bias of the picture tube if you are lucky that fix it other wise the blue picture tube is bad

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