Question about Philips 50P8341 50" Rear Projection Television

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Philips 50P8341 50 in. Rear Projection Television

Picture has bad red/orange tint. Will not adjust with onscreen menu or through the screen adjustment on the g2 focus block. The red and blue convergence adjust fine with on screen menu. Normally this point towards convergence, but they do adjust just fine. Picture has complete red/orange tint. Not like the picture is just out of focus because of convergence. Could this be a different problem? Thanks in advance

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  • Perkspc Mar 12, 2008

    The tv did not have a picture at all to begin with. I replaced the Flyback tranformer. Then I had a picture just was real unstable, coming and going. I replaced the g2 focus block. Now I have a good picture with a red tint, the red is turned all the way down on the g2 focus block. Any adjustment to any of the R G B will not remove the red tint. I know just enough to get into trouble. Thanks

  • Perkspc Mar 22, 2008

    Can you provide any more info than this basic answer? Thanks

  • Perkspc Mar 22, 2008

    Not fungus. I can adjust the sharpness of the picture to a perfect adjustment. I just cannot get the colors adjusted right. The picture just seems to be dull and but over colored. Turn green or blue up to match red and the screen goes solid green or solid blue. Red is turned all the way down on g2 block. Thanks

  • Perkspc Mar 22, 2008

    I am familiar with electronics and have replaced convergence ic before. I just am not familiar enough with failure situations in tv. I do computer and appliance repair. So a convergence chip going bad do not just cause wavy lines lines on screen from distortion but can also have other symptoms such as what I am describing with this tv. Thanks for the reply

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Normally when something like this happens, we could right away propose what can be done, in your case, since youve already changed a lot of parts on that tv, you can at anytime fix it. the tv alone is not fixed yet as of the moment but to some it up, experts have already given you some ideas on how to fix the tv. cheers. hope youll fix that tv in no time.

Posted on Mar 22, 2008

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Hi have nice day!
See this Link.

Posted on Mar 22, 2008

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Hi Perkspc! The problem is that the red convergence IC is signing off you will have to replace it.. If you are good at electronics then post back i will tell you how to replace it..

Posted on Mar 22, 2008

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This failure does not seem like a convergence problem but a CRT failure.
Your Red CRT may be on its way out. If turning down the G2 screen control on the red CRT did not help. A new or refurbish red tube will be needed to correct the problem.

Posted on Mar 12, 2008

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  • Jaime Hernandez Mar 12, 2008

    I forgot to suggest that instead of buying a new or refurbish CRT, to try to get the fluid liquid from the CRT replace, since this failure is very common on this bigscreen TVs. This fluid over time growes a fungus in it.It only grow's in the blue and green tubes. this is why your picture is red and dark. Changing this, may not be a DIY project. A repair shop will charge 300-400 to do the job.

  • Jaime Hernandez Mar 12, 2008

    Check here for additional info on the composition of the CRT coolant liquid.

    This site has the procedures on how to do it.

    NOTE: I would suggest that before taking on this project to check and make sure all the components are good on your CRT assembly.

  • Jaime Hernandez Mar 12, 2008

    This site carries the coolant liquid.

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I think its a colour balance poblem...

Posted on Mar 12, 2008

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1 Answer

MY PHILIPS DPTV 335 HAS A GOOD PICTURE BUT ITS GOT A HEAVY RED TINT NO MATTER HOW MUCH I ADJUST IT.


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.


7859b01.jpg

e87380c.jpg

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 get the correct parts, step by step photo instruction guides, and support from www.TvRepairKits.com or click here

May 01, 2011 | Philips 55PW9363 55" Rear Projection...

1 Answer

My jvc is showing black and white what do i do


Hello
Just reset the picture adjustments and se whether the colour comes up or not. If not, autotune it once more.

Reset resets all picture adjustments (tint, color, picture, bright, detail, color temperature, dig.
noise clear, Color Management and Dynamic Gamma) at once to the default settings.

Press the MENU button

To RESET

Use [up-down-prog up-prog dn buttons] To enter

The onscreen menu disappears for a moment,

and then the settings are reset to the default

setting for all the picture adjustments.
Press the MENU button when finished

To autotune

Press the MENU button

?† To AUTO TUNER SETUP

Up or Down button To operate

To choose CABLE or AIR
Press the OK button to start

Programming will take approximately 1 to 2 minutes. The auto tuner is finished when the
message PROGRAMMING OVER! appears onscreen

Mar 21, 2011 | JVC HD-61Z575 61" Rear Projection...

1 Answer

My 50 in Phillips rear projection has a bad green tint and switches to a bad red tint what can I do?


All 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.

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

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

Jan 10, 2011 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Picture has red tint


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV2_bing.gif may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Apr 04, 2010 | Philips 60P8341 60" Rear Projection...

1 Answer

I replaced my convergence IC's and know my RED CRT is too bright.


Can you find the screen and focus block? There are six controls on it; three for focus and three for screen adjust ( brightness ).

Apr 15, 2009 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Color is weird.


Component Video Jack was loose.

Dec 14, 2008 | Sony KP-48V45 48" Rear Projection...

3 Answers

Philips 60P8342 picture blurry with orange tint


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
77ea520.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

65af323.jpg

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 30, 2008 | Philips 60P8342 60" Rear Projection...

2 Answers

Television has an extreme red tint


fluid comnated in blue crt and maybe in green

Jun 24, 2008 | Philips 43P8341 43" Rear Projection...

1 Answer

Picture has green tint


use menu on remote adjust tint to center

Mar 23, 2008 | Philips 9P5034C 50" Rear Projection...

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