Rear Projection Projector In My Rear Projection Tv, Each Colored Projector Has A 1" Rubber Ball Mounted At Its Base. What Do These Do?

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1 comments:

Anonymous said...: They are for coolant on the tube. Each tube has a tube of coolant, if the TV is turned on. I am over 35 years in the repair of these units.; January 6, 2010 at 7:32 AM

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