Question about Philips Magnavox 51MP392H Rear Projection Television

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Magnavox Projection I got this tv from a friend. The color on the picture is off, there is a glare and when a dark scene is playing you can hardly see anything. The buddy I got the tv from said I had to buy new bulbs, but that they were very expensive. any Ideas????

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  • Mckeg Jan 03, 2008

    I believe it is color bleeding, on scenes were there is a lot of red, the picture is extremely red. It is also the same way for the color blue. also when watching tv, the persons face on tv turns extremely bright to were I can't see any expressions on there face. I will look to see what the model number is. I appreciate the help!!!!



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When You say glare are you refering to the color bleeding off an image, or is it more of a halo effect around a certain color? Color bleeding is a sign of a shorted gun in the CRT whereas a halo or hasiness around can be CRT coolant needing replacement. Which mode do you have.

Posted on Jan 03, 2008

  • Sonny Berry
    Sonny Berry Jan 03, 2008

    If its bleeding its most likely the guns . You will need new CRTs. Its probaly not cost effective as new crts will be between 250 and 300 each. Plus unless your skilled replaceing CRts is something that should be left to experienced repair tech.


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What is model number? A magnavox 51MP392 is a CRT rear projection type and doesn't use a bulb (unless he was refering to the CRT's as bulb). And they are prohibitively expensive.

Posted on Jan 03, 2008


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The picture is not clear anymore. It seems as though the picture has gotten gradually darker. We still use the television, it is just not clear enough. When watching nighttime scenes, we cannot see mu

Projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Below are more details for both items. Also, complete repair kits with instructions and repair support are avail from site such as

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. The power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


69189a5.pngSOLUTION #1

What you will need to do is convergence. You can get a repair kit from . It includes replacement parts,step by step instructions, support, etc.

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.

TV set after fluid change



What you will need to do is replace the coolant and clean the crt. You can get a repair kit from . It includes replacement coolant,step by step instructions, support, etc.

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One of the most common faults with the phillips rear projections is the coolant in the tubes. That can and will make the picture very dim and can cause the brightness and focus controls not to have much affect over it. Please respond to this same post with your model number and I will check to see if their are any other items that could cause that symptom.

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Your set may have one or more of the following symptoms....

*Dull looking picture
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You can see some more examples and find a fix herebb0cf99.png

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RGB screen voltage............................T.

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Yes there are several and the ones I am posting for you have been used by folks who I know. You will most likely need to get the telephone number and call around, and they will probably need the exact dimensions of the screen good Luck

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