My bulb finally popped at around 4,200 hours on the OEM bulb. I've learned the hard way that you should never let your bulb get to the point of popping. Not only do I need a new bulb but I also need a new color wheel for my Optoma HD20. Shard of color wheel picture: [ Ссылка ]

If you do this it's a good idea to clean out both fans on the unit (heat build up can cause your color wheel to mess up and flicker).

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