Question about Philips 60P8342 60" Rear Projection Television

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Picture is red

I have a 54" tv and the picture is kind of red, do I need to change something so the image looks better

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I would say the problem is algae.

Algae can grow in a glycol fluid that resides in a lens chamber on top of the 3 CRT's inside the tv. There are 3 of these. They are red, green, and blue. The red light from the red CRT hampers the growth of the algae. Green and blue however, do not.

To repair is usually quite complicated. I'm sure the color issue did not happen overnight. If it did, it was probably due to a cable or tuner issue or some other electrical problem.

If it happened over time, then the problem is definately algae. The algae infested glycol fluid dims and diffuses the green and blue light coming from the CRT's. You will see green and blue, but only what appears to be a patch of color directly in the center of your view.

To fix, you have to remove the dirty CRT's, drain the glycol, sterilize all parts and refill with new clean and sterile fluid. Also, you must not get any of this fluid on any circuits in the process as it conducts electricity.

There are also dangerous voltages present inside your television. You might get zapped to death if you don't know what you're doing.

Posted on Dec 28, 2009

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If you are running component video, make sure the blue is plugged in and in the right spot. Component video works like this: the green is a black and white image, the red and blue are cover overlays to make the image display properly. So if everything looks plugged in right, then try plugging in a composite video (Yellow) or S-video cable switching to the appropriate input, and see if the image is still red. If so, go to the set up and set the set to factory defaults, and see if that fixes the color issue, It's possible that the color settings on the TV are messed up, with the S-video plugged in go through the set up menu and see if you can correct the color issue IF THE IMAGE IS STILL RED WITH THE S-VIDEO OR COMPOSITE VIDEO, otherwise the issue is a problem with the component video cable.

Posted on Oct 01, 2009

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Posted on Jan 02, 2017

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1 Answer

Strange rainbow.reenish type effect


Did you notice any better picture when you play a movie on a DVD player or using a flashdrive on this TV? Is the picture quality better? Or is it the same? Try to check another cable connection or try to play TV channel thru internet. The last option in this case is to show a TV mechanic for he would better understand which part to order.

Jan 20, 2014 | LG 60PZ550 3D Plasma TV

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Just got this t.v from my dad. It is a pt5492 model. It has kind of dark yellow picture with alot of red. He was told it might be blue light is bad? Can I fix this myself?


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.


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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.

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TV set after fluid change

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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 16, 2011 | Akai PT5492S 54" Rear Projection...

1 Answer

My akia 54 inch tv has a halo around images


These sets have several common problems which are listed below.

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find the fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Apr 01, 2010 | Akai PT5492S 54" Rear Projection...

1 Answer

I have a red and blue shadow in my picture


i think you need a new convergence board they rin from about 88.00 to about 140.00

Sep 08, 2008 | Akai PT5598HD 55" Rear Projection...

1 Answer

Double image


If your model number is the PTH5498 you will need to replace both convergence ICs they are stk 392-040 you can get replacements at the followig link and they will provide fre instalation instructions with pictures. Here is the link.
http://servicemanuals.vstore.ca/

Jul 11, 2008 | Akai PTH5498 54" Rear Projection...

2 Answers

Samsung PCL5415RB 54 Problem


Replace both convergence ICs number STK392-040 You can get replacements at the following link and they will provide free instalation instructions with pics and also give free tech support on line so you can do the repair yourself. Heres the link.
http://servicemanuals.vstore.ca/

May 06, 2008 | Samsung PCL5415RB 54" Rear Projection...

2 Answers

Looks like 3d picture


Sounds like the convergence amplifier ICs . What kind of TV and what model number and I will be better equiped to help you.

Jan 13, 2008 | Mitsubishi WS-65413 65" Rear Projection...

3 Answers

Akia tv


Replace Stk392-040 convergence IC's. Use Panasonic brand

for reliabilty.Re-check alignment....

Let me know by your rating....T.

Oct 22, 2007 | Akai PTH5498 54" Rear Projection...

2 Answers

Shadowing


If still under warranty or if you have no electronic repair experience you should take the set back to the shop or to a repair person. Some of the solutions described below can be dangerous, TV's are very hazardous to service. Even when plugged out, TV's can store very high voltages. Looks like a picture tube problem. Try to reduce the contrast, maybe it will be better. Look into the three tubes while the TV is running, and observe the picture quality of the three. If the red and green are crisper and clearer, and the blue's all hazy from bacteria growing in the coolant, then the fluid needs to be replaced. The CRTs of the colors that seem hazy need to be removed from the light box to be serviced. The coolant needs to be drained, the CRT assemblies disassembled and totally scrubbed clean and refilled, then reinstalled and converged. If the coolant is clear, it can be a weak CRT. Also the convergence STK ships might need to be replaced, and the soldering checked. Good luck

May 08, 2006 | Akai PTH5498 54" Rear Projection...

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