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Old 11-21-2017, 02:56 AM   #5  
My plasma is High Def.

Join Date: Nov 2017
Posts: 9

I open the projector, checked the blub (i see all ok) and check the inside, and no too much dust is very clean.

If the screen is white the mark is purple color, and i adjust focus and zoom the mark makes thinner or wider...

I dont know what can it be.
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