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I need a service manual for a Philips/Magnavox rear projection tv model # sp4831c101. We replaced the coolant in the green & blue tubes and we need help with the convergance.We also need to find out exactly where the ground wires go. We put everything back together, and we can't get the convergance adjusted, and we don't have any tint control ( no green). everything is kind of purple. Thank You Bart Day

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 150 Answers

SOURCE: 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.

Posted on Jul 06, 2007

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Slinteriors
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SOURCE: Picture Problems

sounds like the coolant needs to be replaced in the CRTs

Posted on Jun 11, 2008

Ecollier2012
  • 3459 Answers

SOURCE: philips rear projection color and pic problems

 
I had the exact same problem with my Magnavox TV. The screen would shrink then expand. After thrity minutes it would correct itself. Then one day it just broke - no sound and no video. I searched these forums but did not find clear instructions or kits on how to fix it. I gave up and called in a repair tech. He fixed my TV in less than 30 minutes.  

To help others I documented the fix and created a repair kit and step by step quide on how to fix the problem. You can find it here. http://www.magnavoxhelp.com

Posted on Jun 20, 2008

Cpyles07
  • 56 Answers

SOURCE: projection oil spill on main circuit board

The coolant in the CRT's is made up of 70% ethylene glycol and 30% glycerin. The coolant is highly conductive and somewhat corrosive. Since you already tried to turn it on im not sure but hopefully you wiped it up first. Take some 100% denatured alcohol and use that to clean the spill you can just pour it on and wipe it off with the set unplugged of course. then let the remainder on the board evaporate (It evaporates very quickly when open) and repeat the process. if your lucky and it did short the first time you turned it on the fuse just blew.

Posted on Mar 11, 2009

Ecollier2012
  • 3459 Answers

SOURCE: Philips Magnavox 55P8288 Entire picture has green

Your TV most likely has one or more 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.

Posted on Apr 11, 2009

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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

Numbers and letters look blurry


rear projection tvs have coolant to cool pix tubes which goes bad in the blue and green tubes.to verrify-remove front of tv-outer edge unclips-take out screws arround screen-carefully remove screen-now turn tv on look down into blue/green tubes--pix is bad--blue is so bad you cant even see the pix.you can call a local shop-get quote to replace fluid--if its too much and you are mechanically inclined email us-we will let you how to do it for free-hope i helped you djstvrepair@comcast.net

Sep 16, 2009 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Need to change blue tube, just unscrew and replace with t.v. unplugged?


No - Your TV has tubes not lamps.

Why do you beleive you need to replace the tube. 99% of the time the problem with this model is just the fluid.

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 white,dull, red/orange, etc. You may even see white halos around images.

Here is a photo of a set that needs the fluid changed.

578ba6c.jpg

TV set after fluid change

65af323.jpg

2c07611.pngSolution


What you will need to do is replace the coolant and clean the crt lens. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos, step by step instructions, etc.

May 12, 2009 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Philips Magnavox 55P8288 Entire picture has green


Your TV most likely has one or more 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.

Apr 09, 2009 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Blurry screen


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 white, look dull, look red/orange, etc. You may even see halos around images. 

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.



Feb 02, 2009 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Red and blue faded



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. 

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.

Jan 18, 2009 | Philips Magnavox 9P6034C 60" Rear...

2 Answers

60 inch philips big screen, fluid accidently drain out .


Yes you sure can , call electronixs 1-800-223-3205 ask for projection fluid/high purity.

Dec 15, 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

New bulb replacment for 51mp392h magnavox


you dont have bulbs you have crt's (picture tubes) red green blue. Tell me which one you need and I can post you a link, it's not hard but you do need the service manual for your tv to set it up right

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

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