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Changing fluid in CRT's

OK, I've googled for days and need to know the easiest way to change the fluid in my magnavox CRT's. Any suggestions?

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You can go to the following site, under the repair kit catagory they have a CD that documents the step by step proceedure for coolant change in phillips / magnavox tvs with pictures. They also have the entire kit with 48 ounces of high purity coolant and the cd
Heres the link.
http://servicemanuals.vstore.ca/

Posted on Jul 12, 2008

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Why is my screen red when it should be black?


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Jan 13, 2016 | Philips Magnavox 8p6031c Crt Lens Fluid...

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My picture is O.K., but the colors are not right. Too much green. I can't seem to find an adjustment that corrects the problem.


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 27, 2011 | Philips Magnavox 50ML8105D 50" HDTV DLP TV

1 Answer

Philips magnavox 55" rear projection tv problems


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

Dec 11, 2010 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Magnavox rear proj (model# 8p6044 c102) pic is cloudy/green tint


Yes the coolant gets crud buildup in it over time which will cause the color and clarity to get very poor with obects that will glow around certain bright ojects. You can get the Phillips CRT coolant replacement kit from www.tvrepairworld.com which has the CRT coolant for all 3 CRTs and also includes the Cd with instructions on how to do the replacement.

Mar 27, 2010 | Televison & Video

1 Answer

Picture faded model number is fp4620w103


This sounds like the coolant fluid needs to be changed - the coolant turns milky after awhile and you'll get a dull image.
Google TV repair world . com and look for philips/magnavox coolant replacement:
PHILLIPS CRT Coolant Replacement Kit This is the complete coolant kit for Phillips CRT rear projection televisions. Kit contains 48oz of top quality High purity optical grade coolant with complete detailed instructions produced in clear easy to understand terms with detailed photos and illustrations that takes you through the process step by step safely dischargeing the CRTs and eliminating the need for complete realigning proceedures.Restores the vibrant colors and focus issues commonly associated with coolant that needs replacement

Oct 18, 2009 | Philips Magnavox 50ML8105D 50" HDTV DLP TV

1 Answer

Need to fix the color and screen


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.

Nov 11, 2008 | Philips Magnavox 9P6034C 60" Rear...

2 Answers

Bad Picture on a Projection TV Magnavox 55P8288A magnavox


Change the coolant inside the CRT this will restore the color and clarity to 100% on your set.

May 25, 2008 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Yellow tinge in picture how do I change the coolant fluid?


you need to remove the CRT from the set. the problem CRT is the blue CRT. after removing the gun leave the yolk inside. there is a drain plug on the side of the CRT remove it and drain into a hazard waist container and dispose of it as hazard waist according to your local regulations (ethylene glycol) very dangerous if ingested. use rubber gloves and becarefull of the CRT it can implode. after its drained you must take the lens assembly off the clean the CRT face. use 95% rubbing alcohol to clean the face and lenes of the gun. replace the lens assembly and refill the chamber with fresh fluid. replace the CRT assembly in the set. alien according to the service manual. check for leaks after warm up. if leaks accure remove the CRT and repeat the process but save and re-use the fluid reseat and clean all gaskets and make sure the screws are tight.

Feb 17, 2008 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

I am preparing to chang the fluid on a Magnavox FP4650 W102 Projection Screen Television. The blue and green have mold and the red is clean. I am looking for a manual on the correct procedure to change the...


Be sure to change the seals & coolant...have parts in hand before dis-assembly...you will need the service manual for
your chassis / model...google search ......................T.

Feb 08, 2008 | Televison & Video

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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