Question about Philips Magnavox 51MP392H Rear Projection Television

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Bad color I have a Philips Magnavox 60P8241 projection tv. The color is very bad. I have tried to adjust it, with no results. The problem is everything looks RED! I believe it may be the blue and green lamps are going bad. If that's the case, how hard is it too replace and much too replace?

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  • starplus Oct 27, 2007

    Sorry, there may be some confusion here. I notice your reply states that I have a different model than want I posted. The model I posted (Maganvox 60P8241) is a rear projection tv, made in 2001. It is not a DLP. I hope this information sheds a little light on my color problem. Thanks

  • hdxl79 Nov 03, 2007

    Our magnavox tv color is very dark. If the scene is at night, you can see nothing. And also seems to have a green hue? Can if be lamps? Thanks so much. Also, where can you find these lamps?

  • kingero Nov 19, 2007

    Is there a factory reset button to fix the problem of the red screen?

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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.
bad color - 701cb04.jpg

f0900cb.jpg
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.

578ba6c.jpg
TV set after fluid change

Solution #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.

Posted on Mar 22, 2009

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Ok I have philips hd tv monitor 51pp9303h/17 the picture red I tried to adjust the color nothing happen it stay red I had someone look at it they said the bulb needed change can I do it myself

Posted on Jan 16, 2012

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  • Expert
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It sounds like your red hue is be off.

It is not the lamp, your tv is a DLP tv. DLP's use a color wheel for the color and a white light for the light. The problem may lie with the color wheel itself, you say you have tried adjusting it, did you try a factory reset?  this should be in your manual.


http://en.wikipedia.org/wiki/Dlp

Posted on Oct 26, 2007

  • Chris Stutzman Oct 27, 2007

    open the panel that houses the lamps and turn the tv on, if only the red lamp comes on or the other two lamps are not that bright, then its your lamps.

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Posted on Jan 02, 2017

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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. Repair kits with instructions are also avail from www.TvRepairKits.com

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.


7859b01.jpg

e87380c.jpg
69189a5.pngSOLUTION #1

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

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.

578ba6c.jpg
TV set after fluid change

65af323.jpg

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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If you try to adjust this you will make more work for yourself. The problem is convergence amps go bad and anything you adjust now has to be readjusted when problem is fixed. Also, convergence problems are a very common problem in all brands of projection televisions, not just magnavox, because the amps run pretty hot holding the colors in aligment. It's unfortunate you had bad luck with this set but we are also now seeing LCD, DLP and PLASMA sets that barely make it through the first year. More and more brands only carry a 90 day warranty now, so they know the life span is decreasing. To repair your set you will need soldering/desoldering equip. and test equip. or you could pay someone with experience 175.00-375.00 to solve your problem for you. That's why we're here. Lots of luck, Russmann.

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