Projection 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 video.
Pic 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.
BEFORESet after fluid change. Notice how bright the colors are now. Everthing looks crisp and sharp again.
AFTERSolution #2 - CRT FLUID FIXWhat you will need to do is replace the coolant and clean the crt. You can get a repair kit from
TvRepairKits.com . It includes replacement coolant,step by step instructions, support, etc.
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