Question about Hitachi 50UX57B 50" Rear Projection Television

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The picture is red or yellow,

Have replaced the lamp and tried to adjust picture is clear just color is real bad.

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I think you need to adjust the color wheel

Posted on Aug 01, 2009

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2 Answers

The color on my tv is turning green. It's not totally green but it's becoming green. No matter how I adjust the colors it remains the same with too much green. You can't see the true colors...


It is very common for the color of the lamp to change as it nears the end of it's life. Depending on the bulb itself you may see yellow, green, or blue shifts (I have even seen red/orange). This is due to the diminishing output of the bulb and while you can make some adjustment you will eventually hit the point of failure. The bulb could in fact last several more weeks or even months depending on your use and environment. It is probably a good time to start searching for a replacement now so you can replace it as soon as it dies or just replace it now if the color is too bad to be worthwhile.

May 23, 2011 | Philips Magnavox 9P6034C 60" Rear...

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My sony kv-36fs13 picture is very red. I tried adjusting the hue without success. I am getting the little red light on the front of the tv blinking five times. Any ideas?


open the back cover of your TV (unplug the unit) using a soldering Iron,resolder all the components at the CRT socket .the small square board attached to the tail of picture tube That's it! good luck and please dont forget to rate I need it to keep going...

Mar 08, 2011 | Sony KV-36FS13 TV

1 Answer

Hitachi 50c20 replaced lamp color is green


Go to menu then color ,Tint adjust the tint if that does not clear picture then you have Bad Lighht Engine Encompass parts Distribution might have it go to their website and type in your model number 1-800-638-3328

I always look for Parts on Ebay find better deals their sometimes.
UED might have it also 1-800-648-6657

Jul 16, 2010 | Hitachi Televison & Video

1 Answer

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

Jun 26, 2010 | Mitsubishi WS-55315 55" Rear Projection...

1 Answer

Big red circle in the middle of the picture


Your light engine is bad and needs replaced. I have a tip at http://www.fixya.com/support/r4251975-replace_dlp_light_engine which explains the problem, how to fix it and where to get the parts. Let me know if you need more help. Thanks for using FixYa and for the great rating.

hardrocko

Apr 30, 2010 | Hitachi 51F59 51" HDTV Projection...

1 Answer

What is and how do i adjust the white balnceon my fujitsu S550 digital camers?


Adjustment is in the menu screen, you shouldn't have to go very deep as it is a frequently adjusted setting.
White Balance is how the camera interprets white depending on ambient lighting. Have you ever noticed how when you are taking pictures inside at night and all of the light comes from lamps and the flash that your pictures have a yellow look? Take a picture under flourescent lamps and the pictures look different as well? How about outside? Best true color rendition on the picture taken outside, but different than the others.
White balance is a way for the photographer to adjust the tone of the picture to accurately reproduce the true colors seen in real life in the picture. Most cameras have an automatic white balance and they usually work fairly well. But for the best results, set it manually. Your whites will be white and skin tones appear accurate.
Hope this helps! Good Luck!

Oct 06, 2009 | Fujitsu Cameras

1 Answer

Sony-50A2000 HDTV color issue


Your light engine is going bad. I would get an estimate first before trying to net fix.

Oct 03, 2009 | Sony KDS-50A2000 50" HDTV

1 Answer

The picture comes in good except that the colors red,pink and blue has become real dominant I tried to adjust the color but those 3 colors reall show through


Hitachi was know for their problems with picture tub sets. Every time is was the main the board was bad that was control green gun.

Aug 12, 2009 | Hitachi Televison & Video

1 Answer

I have the akai model # ptf492s and the white colors are yellow


I'm almost positive the problem is you have fungus in the CRTs. I know this sounds strange, but it's true. Basically there is coolant fluid in the lamps that develops fungus over time and turns yellow. It should be clear. If you take the back off the television, you will see the 3 lenses (red, green, blue) Each of the lens is held on with 3 screws. Remove the adjustable lens and look at each CRT. Shine a flashlight in they should look white. From what I've read, blue develops the problem first, then green. You can replace the fluid. Look up TV coolant replacement online. It's not to difficult, but you cannot get any of the fluid on the circuit boards or it will ruin it. Mine had a lot of fungus in the blue CRT and a little in the green. The picture looks 100% better now. Good Luck.

May 12, 2009 | Akai PT5492S 54" Rear Projection...

3 Answers

Bad color


Your TV most likely has one of two possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem
  • 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.
701cb04.jpg
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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 #1

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 note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.


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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2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

Oct 26, 2007 | Philips Magnavox 51MP392H Rear Projection...

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