Question about Philips Televison & Video

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Hi, I have a Philips HD model # 55PP935217 Projection TV. The problem is that only the red and green show up on the screen. When you remove the front screen the blue is light up but tou can barely see the pricture coming thru it. When you remove the top lens and set it off to the side, the blue part that it bolts to is not clear it has a deep burnt yellow look to it. Is it possible the part # P16LTG00BMB(U)is bad? The other two colors are clear.

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  • Philips Master
  • 75,817 Answers

One of the CRT's is defective, very expensive to fix if you can still get parts.

Posted on Jun 22, 2017

6 Suggested Answers

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Posted on Jan 02, 2017

  • 308 Answers

SOURCE: green dot in middile of my screen

The green dot in the center sounds like a burn mark on one or more of the picture tubes inside the set, and the curved lines are telling me that you have a problem in the convergence circuits. The blue haze around everything white tells me you either have a lot of dust build up on the lens over the CRTs, or your picture tube(s) are very weak. If this set is over about 12 years old, I would replace it. I doubt if you will be able to get the green dot out of the picture without changing the tubes which would be VERY expensive.

Posted on Jan 14, 2007

premtech
  • 934 Answers

SOURCE: Philips 51in. Rear projection DPTV345

That is quite an undertaking to replace all three crts in a conventional PTV - I've been in electronics more than 20 years and I've never done that... One because it's far too expensive, two because it's unusual that all three crts would be bad and if they were I'd REALLY suspect problems somewhere else and three because of how labor intensive it would be to remove, install and align three new cans.
That said, you should be able to get them through Vance Baldwin or Tritronics Inc.
Bill

Posted on Mar 13, 2008

Slinteriors
  • 8617 Answers

SOURCE: 55 hdtv philips having issues with blue and red lines around everything ......

change the convergence ICs also check the resistors right next to the ICs as 1 or 2 of them may be open as well.

Posted on Mar 28, 2008

Ecollier2012
  • 3459 Answers

SOURCE: 9p6040 c102 philips magnavox rear projection tv

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 Feb 16, 2009

Ecollier2012
  • 3459 Answers

SOURCE: Sony KP-51WS500 Rear Projection TV colors are distorted.

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.

Posted on Mar 13, 2009

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1 Answer

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If the screen is a bright red its indicating an issue with the CRTs could be the red has shorted or the coolant in the blue and green is needing replacement which makes the red Dominate. Looking into the blue and green lenses will verify if its a coolant isssue or not. The convergence issue is most likley failed convergence ICs and the associated 6.8 ohm resistors need replacment.

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Ur convergence it dead,Need a convergence kit,use what in that kit,Know how to solder righht?Tries Tv Repair World.com,Ebay.com.

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convergence i.c.s change both of them even if only one color is out. if one is bad the other is usually going to give out soon. the part # should be. stk 392-120. also check resistors around i.c.s if the open you wont be able to adjust convergence.

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Green dot in middile of my screen


The green dot in the center sounds like a burn mark on one or more of the picture tubes inside the set, and the curved lines are telling me that you have a problem in the convergence circuits. The blue haze around everything white tells me you either have a lot of dust build up on the lens over the CRTs, or your picture tube(s) are very weak. If this set is over about 12 years old, I would replace it. I doubt if you will be able to get the green dot out of the picture without changing the tubes which would be VERY expensive.

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