Question about Philips 55PP9401 55" Rear Projection Television
I have a philips 60" rear projection HDTV monitor. it seems to be losing its sharpness and color. I've tried adjusting everything but still does not help. I'd like to try and fix this problem before it gets worse. thanks.
Most likely scenario is that the coolant in the CRTs need replacement very common problem with phillips magnavox TVs, The picture will get hard to focus and the color will lose its intensity. You can get a coolant replacement kit for phillips at the following link under the repair kit category. The kit contains all the coolant needed and a CD with step by step instructions on how to do the repair. Heres the link.
Posted on Feb 08, 2009
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
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.
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.
TV set after fluid change
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 May 07, 2009
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Posted on Jan 02, 2017
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