Question about Hitachi 50GX30B 50". Rear Projection Television

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Red and green color cast a shadow like effect near top of the screen

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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.


You can find more details and solutions here on Fixya at the following link below. Or click HERE


red and green color cast a shadow like effect near - 3d884ac.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Posted on Oct 15, 2010

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Posted on Jan 02, 2017

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1 Answer

What is the purpose of an R2 filter?


Each filter intensifies its color and darkens others, especially the color opposite on the color wheel. They're not of much use in color photography, unless you want weird color casts, but they come into their own in black&white photography.
For example, a red filter intensifies red and darkens blue. It can make a sky look almost black, making clouds pop out. Similarly it can darken foliage. A green filter on the other hand will brighten foliage.
If your camera can take black&white photos, try taking pictures of a red rose with green leaves with and without the filters. With one combination the rose and the leaves will be the same shade. With a red filter the rose will be bright against the dark leaves. With a green filter you'll get a dark rose with bright leaves.
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did u fix your tv cuz thats the same thing thats happening to me

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Double Letters-One in Green other Red in bottom corner


yes goto menue and goto convergence
line up all red blue and green cross hairs so thay are wite.
thanks.
daniel

Jan 13, 2009 | Akai PT4799HD Rear Projection Television

1 Answer

Tv screen is squeezed only straightens out if i bump the top of tv


This is likely your convergence IC solder connections. Does it look bowed and rainbow colored? The red, green, and blue will be mis-aligned causing a shadow effect. If you can bump it then the ICs (chips) are still ok, it just needs resoldering.

Dec 06, 2008 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

I have a rainbow effect on my television screen.


the deguesing is not working of your tv.or maybe you have a load speaker near the tv. take it away near the tv it damage the color of your tv set.

Nov 15, 2008 | Televison & Video

1 Answer

Pt-47wx49e convergence problem


I just replaced the 2 convergance chips, but it did not seem to fix the problem. I then tested all the resistors that feed the convergence chips anf there was a 2.2 ohm fusable blown. IT was R7050 on mine. That seemed to fix it so that I could adjust all the colors through the convergence 2 screen. There seems to be a slight bow near the bottom when you look at the c2 screen, but not noticable when you are watching a picture. Since I got this broken, I am not sure how perfect it should be.

If anyone can send me the service manual, I would appretiate it. Thanks.

Oct 10, 2008 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Red, green and blue color resolution


Hello my name is willie and i see this problem alot here at the shop. The symptons you describe is known as "convergence". OK your problem might have a simple soultion. if you can answer this question. When you acess the customer menu go into setup option.. then do you have convergence option. If you do not it will be known as the fl231 fuse. a fuse that common to blow due to bad connections. Now if you do have this option then you will have more problems with other boards. and it will have to be troubleshoot further. Does the picture also bown in at the top and bottom. when you go into convergence option(if you have it) does the cross hair move? let me know and i will see if i can help further

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1 Answer

Green cruve line


Good Day;
Suspect Convergence IC's STK4274, part Number 2003191. Replace all three IK04(red), IK05(green), IK06(blue).
Good Luck, big IRISH.

Aug 30, 2008 | Hitachi 50UX26B/27K 50" Rear Projection...

1 Answer

LCD projector has a 'shadow' in the green color


This is a Mainbord problem , the lcd would have shown blotches on your imagr rather than a shadow effect.

Apr 19, 2008 | Office Equipment & Supplies

1 Answer

Green and red color problem on bottom left to a little past the middle of the bottom of screen


the convergence ic's are breaking down and require replacement should cost under $ 250 depending on your service shop.

Nov 18, 2007 | Panasonic PT-51HX41 51" Rear Projection...

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