Question about Philips 55P8341 55" Rear Projection Television

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55" Phillips Projection needs coolant changed

I have a 55" Phillips projection and the color is getting pretty bad. I had someone come look at it and they said the coolant needs to be changed. I found a kit on the website listed below and wasn't sure if I really needed everything they offer in the kit to replace the fluid or if I can just change the fluid with out replacing any parts. I'm not sure what the best way to do it is and I was wondering if someone could help me. I would like to know what I should get or need to fix my TV and I want to do it so it will last to the fullest extent. Thank you.

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GREEN AND BLUE IS MOST POPULAR TO GET OIL DIRTY SO,YOU NEED TAKE ONE BY ONE DISCONECT FIRST ONE TAKE OFF ITS EASY OUTSIDE GET A SPRAYER AND **** THE OIL AND AFTER THAT OPEN THE PICTURE SEPARATED THE LENS AND CLEANED

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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.
55
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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 conver55" Phillips Projection needs coolant changed - 2c07611.png 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 d55" Phillips Projection needs coolant changed - 578ba6c.jpgange, etc. You may even see halos around images.

Picture of a s55" Phillips Projection needs coolant changed - 65af323.jpgds 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 Mar 22, 2009

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I documented the procedure I did on a Philips 55" rear projection 55p916

http://tinyurl.com/lmp6eu
CRT coolant change procedure

http://tinyurl.com/l7bd7r
basic and advanced convergence

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