Question about Philips 50P8341 50" Rear Projection Television

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I have a glow or a shadow around everything I watch...I tried the converse blue but i dont know if i did it right bc it didnt work...how can I fix that?

I have a Philips 50in projector tv and I have a ominus glow in the background of anything I watch on my tv....how can I fix that?

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Mine looks exactly like the photo before the coolant was added...with the exception of Ive noticed a lot of red color on my screen esp in peoples faces etc...would that also be due to the coolant??

Posted on Jul 09, 2009

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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. Notice how dull the colors are and how white the screen looks. The screen may also look red, orange, dull, etc.

I have a glow or a shadow around everything I watc - 9e7eb5b.jpg

TV set after fluid change. Notice how bright the colors are now. Everthing looks crisp and sharp again.

182c282.I have a glow or a shadow around everything I watc - 2c07611.png



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 May 22, 2009

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Replace the CRT coolant if the glow is blue replace the coolant in the blue CRT.

Posted on May 17, 2009

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1 Answer

Blue shadow


The blue tube if fine
you need to replace two convergance
chips or have a shop do it.99.9% shure

the chips are cheap around 20.00-30.00
etch and even less for the generics 10.00-16.00 ,so dont let the shop charge you
to much for the dirt cheap parts.

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Looks like you need to adjust some panel voltages, usually the VS or VSCAN voltages, the panel on the inside of the set has a label with all these voltages on it and there are test points and small adjustors for changing these voltages, lower the VS voltage about 10 volts and while adjusting them have it hooked up and turned on, so you can watch the changes take place, if your not sure how to do it get an electronics specialist to do it, these tv's are loaded with high voltagers and can cause severe shock, be careful

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