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48" rear projection hazy/bad picture

Changed fluid in one of the color tubes and wanted to know if this would fix color problems with tv picture it is hazy and you cant read words on screen it is an older tv

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  • daisymarieg Jan 09, 2009

    thank you i changed the other two and this helped a great deal seems to be out of focus on the edges though any ideas on this?

  • daisymarieg Jan 09, 2009

    cool thanks ill try that too

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Most fluid changes would fix that. I recommend doing all three but that's just me. Also make sure the crt's are full as this would cause the set to be out of focus. also make sure you don't move the yokes too much because you can knock the convergence out pretty bad and also have a blurred pix

Posted on Jan 09, 2009

  • Chuck Jan 09, 2009

    Glad to help out. If you removed the lenses, make sure you reinstalled them the same way. make sure the fluid level is full and you may have to adjust the dynamic focus (wing nut on each crt lens) to bring in those corners a little better. take a magazine and place it over each crt 1 at a time, press menu and make the focus adjustments as needed.. if needed

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The color is bad on my projection television, I want to know how to adjust the lens.


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 15, 2011 | Samsung HCL473W 47" Rear Projection...

1 Answer

BLUE TINT ON MY SCREEN


Philips tv's have always had this problem. Between the picture tube and focus lens there is a layer of coolant fluid. The coolant fluid, over time, will break down and turn a brownish cloudy color and it usually starts with the blue. Something to do with the color frequency. Have a good repair shop check it out and if the fluid is the problem have them change all the fluid in all 3 picture tubes (there is a red, green and blue tube). Don't feel bad, like I said all the philips projo's had this problem. Thanks

Oct 29, 2009 | Televison & Video

2 Answers

Just bought the Philips 9P6034C 60 in. rear projection, used. The picture is a bit hazy. The buyer told us that we just need to "have the guns put to it". Is there a special tuning device that the tv...


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.

Mar 07, 2009 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Blue shadows on my philips projection tv


You have possibly contaminated fluid in your blue picture tube if it has a hazy look.Blacks and whites look bluish and whites have a blue bloom to them.The other problem could be bad convergence amps.This would be double image around letters on the screen.

Jan 13, 2009 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Philips Projection picture


You have bad convergence amps, tubes are fine unless you had a hazy looking picture before the convergence went out.To fix the haze the fluid in the picture tubes would have to be changed out.

Dec 10, 2008 | Philips 60PP9202 60" Rear Projection...

2 Answers

Panasonic PT-47WX54J --- Picture Problems


Yes,try cleaning your mirror inside of tv they do get real dirty, also clean dirt off of tube lenses there are 3 of them red,green,blue. these are your picture tubes. Thank You for using FixYa and Have a nice Day.

Feb 05, 2008 | Panasonic PT-47WX53 47" Rear Projection...

2 Answers

Blue bulb emits light, but no picture.


Phillips have been known for the coolant to get contaminated especially in the blue CRT. it congeals and your picture will become hazy and out of focus.This is something you an do yourself. If youre careful. If you would like instructions on how to do this proceedure. Let me know.

Jan 21, 2008 | Philips 55PW9363 55" Rear Projection...

1 Answer

JVC 48WP74 HDTC rear projection


While it is true JVC tubes rarely fail, they can give trouble.
Another possible solution is bad screen / focus block......
Remove lower front grill panel and access board...Check for
smooth adjustment of RGB screen and focus.....let me know....T..

Sep 28, 2007 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Color problem with Phillips 53" projection tv


Bet the fluid is bad. You can take the back off and look into the green and blue lens. See if the picture is clear. If cloudy the fluid is bad. Be careful when doing this. Changing the fluid should be done by a tech.

Sep 09, 2007 | Panasonic PT-53WX54 53" Rear Projection...

1 Answer

Red picture cannot adust with convergence


You have bad CRT Fluid, the green and Blue tube need the fluid changed. This is a messy and possibly dangerous to the tv proposition, you will want to call someone to change the fluid, you will probably spend $450+ for the repair, but it should look pretty good when done, possibly better than it has looked in years.

May 27, 2007 | Philips 9P5034C 50" Rear Projection...

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