كتيب كرسي ذو ذراعين وحدة optoma projector power light blinking بريد زميل طريقة التعبير اللفظي
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How to Fix an Optoma HD20/HD200x Projector With a Flickering Image or Colour Wheel - TurboFuture
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Projector Repair World Official Store and Service Center in Hyderabad
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