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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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.
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.
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.
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.
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/
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.