Question about Sony KP-51WS500 51" Rear Projection Television

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Blue gun lites but no picture from it

I have a 1992 LXI (Philips) 55" rear projection tv. I changed the coolant in all 3 guns but now the blue gun does not show a picture, the red and green work fine. the blue gun lites up and has about 6 to 8 lines across the screen but as I said there is no pic coming from it. I do not know if it worked before as the coolant was very bad. Any ideas or places to get parts from would be vary helpfull. Thank You

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You should be able to go to any used appliance shop and get what you need. most of them carry on hand parts or can order whar you need

Posted on Dec 25, 2008

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I have a phillips 55pw9363 my picture is hazy. It does not change when I adjust the brightness.


Tv pictures and screen brightness are dulls and have a halo glow to it wright?Yes.The tv CRTS TUBES guns have a chemical call CRTS TUBES coolants are contaminated require changing.Tries websites like Tvrepairworld.com,Tvrepairkits.com to buy a chemical coolant kit to replace it.Kit also came with a tutoring DVD disc showing u how to replace the CRTS TUBES guns coolant chemical.

Apr 03, 2011 | Philips 55PW9363 55" Rear Projection...

1 Answer

We have a Phillips rear projection tv, about 9 years old. The color has been getting progressively worse over time. Dark scenes are almost impossible to see. It almost seems that only blue and red are...


Tv have halo pictures and dulls colors?Yes,the tv have bad Coolant chemicals on those colors guns R,G,B CRTS tv Tubes.Must replaced those CRTS Coolant chemicals on those CRTS tv tubes.Tries websites like Tvrepairworld.com,Tvrepairkits.com to buy a Coolant kit to replaced those CRTS tv Tubes coolant chemicals.

Nov 13, 2010 | Philips 55PW9363 55" Rear Projection...

1 Answer

I have a 50 inches philips projection tv and the image that is coming is slightly dull than normal . it seems that the the sharpness is kind of reduced


please open back side of your t.v and tack soft clean cotton and clean the guns in side the tv, red/green/blue , just cleane the guns and it will come to the normal picture quality. thanks ikram baig

Mar 09, 2010 | Philips 55PW9363 55" Rear Projection...

1 Answer

How to replace blue gun on Samsung HCM553W


What makes you think Blue tube is Bad ,It may just need coolant fuild changed out.

Feb 19, 2010 | Samsung HCM553W 55" Rear Projection...

1 Answer

Color is bad especially colors like orange and the white on peoples teeth is black most of the time andthe picture is not clear


HI, thank you for visit fixya.
Common problem on this set .
Picture tube liquid is dirty.
Mostly in crt green and crt blue.
Do you have electronics skills?. If so, open the TV ( back cover), you will see green,blue and red gun. After turn on your tv, select any channel or video signal, cover with piece a paper two guns at the top ( any), and see how look the picture in the front, try one at time, ( press menu on remote control and see leters-clear). I am sure the green and blue will be no clear. all the time red tube is fine.
REPLACE COOLANT LIQUID PROJECTION ( solution).
I will be here for any quetions.
Thank you

Dec 01, 2009 | Philips 60PP9352 60" Rear Projection...

1 Answer

Philips 50P8341 50 in. Rear... Problem:


You CRT coolant needs to be replaced, its a very common problem with the phillips and magnavox projection TVs. If you need more info on the Coolant Change let me know.

Jul 14, 2008 | Philips 55P8341 55" Rear Projection...

1 Answer

Blue Projection Gun


It is not the gun ,but the convergence IC that needs replaced providing that you have went into the tv menu and selected convergence and manually adjusted the blue convergence.

Sincerely the Hammerman

May 14, 2008 | Hitachi 53SWX10B 53" Rear Projection...

1 Answer

Bad Picture Blueish picture


If the red gun stops working it could make the picture very blue-greenish. This could be caused by a number of problems, including a coolant leak, but it's most likely a bad electrical connection somewhere in the set.

Best left to a professional repair guy, frankly.

Mar 19, 2008 | Samsung HCM5525W 55" Rear Projection...

1 Answer

Guns for PHILIPS 55PP9352


If you are still needing the red gun for the phillips I have a link that I will post that has one complete with yoke, Purity rings, lens and coolant chamber. Here is the link they offer free shipping also.
http://servicemanuals.vstore.ca/

Oct 27, 2007 | Philips 55PP9352 55" Projection Television

1 Answer

Green Picture.


i suggest to have it check by a qualified service technician. there seems to be a problem with your crt (cathode ray tube). because inside this projection tv are 3 crt guns responsible for color red, green and blue, which only qualified technician can adjust it and replace if it is necessary.

Jan 15, 2007 | Philips 55PP9701 55" Rear Projection...

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