Question about Philips Magnavox 51MP392H Rear Projection Television

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Color problems watching a movie everything was fine then it smelt like something was burning and then we had color problems, the red makes it look like theres two noses four eyes etc.. could this be a bulb or what? .

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No its the convergence ICs . You will need two STK392-120 ICs and about 4 of the 6.8 ohm 1 watt metal film resistors. You can get replacement ICs and resistors at the following link and they provide free instalation instructions with pictures so you can do the repair yourself. Here is the link.
http://servicemanuals.vstore.ca/

Posted on Jul 09, 2008

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The color is very dull with the exception of red everything has a red tint to it other than that the rest of the 50" screen is very dark. Watching t.v. or movies are out of the question the color is...


Thats a very common problem caused by bad CRT coolant which will need replacement to restore the set back to normal colors and brightness levels. You can get the CRT Coolant kit at www.tvrepairworld.com which fits your model. The kit contains the coolant for all three CRTs and the CD with instructions.

Jun 24, 2011 | Philips Magnavox 51MP392H Rear Projection...

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Hooked up PS3 to system and when watching DVD's the right side of the picture is blurry and appears doubled, like an old 3D movie without the red and blue glasses. When watching TV everything looks fine.


All projection TV sets have two very common problems. One is convergence ( 3D/Warped video or dead set) 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. In some cases the TV will also not show any video. 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 get the correct parts, step by step photo instruction guides, and support from www.TvRepairKits.com or click here

Jan 20, 2011 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

COLOR IS DIM & THERE IS NO RED COLORINGS, WOULD THIS BE A BULB? EVERYTHING WAS FINE UNTIL WE GOT THE HDTV SET UP. THE DVD MOVIES SEEM TO WORK FINE.


The red crt tube on your tv is going, or you need more optical fluid for the lens. Crt tubes typically run for $150-$300, and a fluid refill should be less than $100. If the tv isn't very clear or bright, even when working right, then consider just getting a new tv. These are costly to repair and will eventually begin to have more problems.

Contact me for more info.

Thanks for asking!
-Josh

Feb 26, 2010 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

My picture looks fine but i have no green or red color. Was watching tv and everything looked fine but the green and red just disappeared.


Remove the back cover and see if the red tube is on. May have a problem with the tube or just the tube circuit board.

Jan 10, 2010 | RCA D52W19 52" Rear Projection Television

1 Answer

Mitsubishi WS-65869 65" blue color problem


Yes, you need to replace the convergence output amplifier IC's. They can be ordered on line. After removing the back you must remove the circuit board which houses the amps. Then desolder them and install the replacemnts. If you are extremely lucky there won't be any re-alignment issues with the new amps. Then you should be good to go.

May 03, 2009 | Mitsubishi WS-65869 65" Rear Projection...

2 Answers

How much would it be to repair our t.v.?


The convergence chips have gone out. It costs about $300 if it's not under warranty. This is a common problem with all rear projection tv's.

Aug 10, 2008 | Samsung HCM553W 55" Rear Projection...

1 Answer

Clear picture is gone looks like watching a 3-d movie without glasses


sorry i am new at this but have had the same problem with a toshiba and it was the IC chips which control the converigence which is lining the colors back up

or it just may be as simple as converiging the colors in your case if you have not trided to yet

Aug 08, 2008 | Hitachi 55FX48B 55" Rear Projection...

1 Answer

Follow up to JUL 9th distorted picture question


That would be the convcergence ICs and feed resistors that need replacement. Can you reply to this same post and verify that your model is the R56W36? I will then post the correct ICs and feed resistors for your model as well as a link where you can get replacement ICs and resistors with free instalation instructions with pictures.

Jul 14, 2008 | Zenith R56W36 56" Rear Projection...

1 Answer

DOWN HILL???


It only true is its like one color that is twisted. Remember there is 3 tubes in a projo. Red, Blue, Green. So if a yolk needs turning and the color is not badly out of wack then that makes it that all colors are out and it is hardly likely that all three are turned the very same way(misconscrewed) So this maybe an internal matter. In service menu there maybe a way to align the convergence or crosshatch of all three colors or maybe a resistor that has changed in value. Either way you need someone familiar with the set to work on it.

Aug 20, 2007 | Philips 55PP9401 55" Rear Projection...

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