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Mitsubish hd 1080I wt 46809

I just purchased this model cheap from a flea market. It powers up, but the picture shows shadows of objects. the colors are red and blue. The screen also droops when playing a dvd. I am an electrician and can easily replace boards and parts, but I am not familair with big screen tv

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Check settings first to make sure no one changed anything out of the ordinary. Are the shadows that of a color or darkened shadow? It could be out of convergence, which can be corrected in the menu - or it could be low quality video cables to. Also, if there is no green, does a white color show up when you're in a menu mode (Red+Blue+Green = White Image)? If so, then the green picture tube is working and it's just a color adjustment, otherwise you may have to invest in a new green picture tube.

Posted on Apr 23, 2008

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My sony plasma fwd 42-pv1 color tube has broken how do I go about fixing it?


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It sounds like the repair center was giving you a story.

If you call Sony with the model number and describe the issue (you want to talk to a tech) they will know from their database if this is a known issue or not.

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2 Answers

Need lg 32lh30 calibration specs


I think I have a solution involving far less effort. Have you tuned your picture settings? Out of the box, the settings are ok and the presets will do the trick for most. But if you're like myself, you want the best picture possible. Here are my settings:

Picture menu:
Aspect ratio: Just Size
Energy Saving: Off
Picture Mode: Expert 2
Backlight: 35
Contrast: 90
Brightness: 54
H Sharpness: 40
V Sharpness: 42
Color: 50
Tint: 0

--Expert control menu
Dynamic contrast: Off
Noise reduction: Off
Gamma: Medium
Black level: Low
Real Cinema: On [grayed out]
Color Standard: HD [grayed out]
Color Gamut: Standard
Edge Enhancer: Off
xvYCC: Auto [grayed out]
OPC: Off
Expert Pattern: Off[grayed out]
Color Filter: Off

White balance: Warm
Method: 10 point IRE
Pattern: Outer
IRE: [see below]
Luminance: 137

-- 10 point IRE calibration
IRE: [Red, Green, Blue results, respectively, for each IRE point]
100 [-8, 1, -40]
90 [-13, -5, -40]
80 [-20, -12, -40]
70 [-17, -14, -33]
60 [-17, -12, -31]
50 [-17, -13, -26]
40 [-13, -12, -19]
30 [-6, -4, -8]
20 [-6, -4, -10]
10 [2, 3, -1]

Color management system
Red color: 2
Red tint: 0
Green color: -1
Green tint: -7
Blue color: 2
Blue tint: 7
Yellow color: 0
Yellow tint: 1
Cyan color: 0
Cyan tint: 0
Magenta color: 0
Magenta tint: -2

These are taken from CNET.com

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1 Answer

My 61 inch RCA HDTV shows a redish shadow outlining each object


Problem #1 - CONVERGENCE PROBLEM

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 projeciton 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 photos of convergence problems.

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Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

47a7bc4.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from TvRepairKits.com or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

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1 Answer

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1 Answer

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Cf my issue above on LE32R87BD The repair guy came here two times and finally changed the LCD panel which is very expensive. So far, it is working again properly.

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