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Help on my tv

I have seen the post for the other tv the model number is different. It seems I need to change the crt coolant. My tv is dark and the colors are reds and oranges. It been this way for some time now. It it easy to cange? Can you tell me if the models are close enough for me to assume that this is what my tv needs? Thanks

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  • dalyle Sep 05, 2008

    Thank you for your response. I did change the coolant and it fixed my TV. Need soem basic knowledge of wires but we did it.

    Thanks

  • darren young Sep 30, 2011

    how can i find the repair/service manual online???

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  • 8,617 Answers

Is your TV a phillips? If so all phillips and magnavox rear projections have issues with the coolant needing to be changed.

Posted on Aug 17, 2008

  • Sonny Berry
    Sonny Berry Sep 05, 2008

    glad that I could assist you with the problem

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1 Answer

My tv look like the pic is blery and dark the color seems to be to bright sometimes like its got a haylo


Ur tv have CRTS-(picture tubes).Coolant problems,must replacement of CRTS tubes coolant chenicals.Coolant must be replaced to recharge the CRT-(Tube fillaments).Try website like Tvrepairworld.com to buy a coolant kit and came with instructional DVD show how to do it.

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Try adjusting picture settings from tv menu, if this does not work your tv has a bad crt board in need of replacement

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Philips 60PP9363 colors not right. TV is 5 years old, the convergence appears to be fine in that all of the colors line up fine, but they are not the right shade. The green and blue are both teal, with...


Ur tv look dull in pictures?Ur tv might need it CRT tube coolant replacement.Tries websites like Tvrepairworld.com,Tvrepairkit.com to buy a coolant kit to replaced CRT tube coolant replacement.

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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

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I have a Philips Magnavox ptv843 and it has a red tint. The picture is really dark, I can hardly see anything in dark seens. I tried to adjust the contrast and brightness but no help. Thanks


These TV's are known for polluted coolant in the picture tubes.The coolant is between the lense and the tube. The factory has a Service Bulletin about this problem and they say to change the coolant in each picture tube. This will make the TV look like it did when it was new.

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sounds like the coolant needs to be replaced in the CRts as that will give you a very dark and dull colored picture. The phillips CRT coolant replacement kit at the following link contains the coolant and the CD with instructions.
http://www.tvrepairworld.com/

Jul 22, 2009 | Projection Televisions

1 Answer

Tv has lost it's brightness, dark scenes are almost unviewable


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.
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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 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.

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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.

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1 Answer

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Crt coolant needs changing in the Blue and Gree CRTs red usually isnt affected.

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1 Answer

Old hitachi


the coolant most likely needs changing in the CRTs. Another possibilty is the mirror has become dull. use a damp soft cloth to clean the mirror then dry also clean the CRT lenses . Dont use windex. You will be amazed the difference just polishing the mirror can make in picture quality. Looking into the CRT lenses while they are on will tell you if any groth are present in the CRT coolant chambers.

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