Question about BenQ PB6200 Multimedia Projector

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Flickering dots on Benq PB6200 projector.

I have a Benq PB6200. Lamp is approaching 3000 hours. When first turned on, I get white dots, forming some 'sinusoidal' patterns or flickers around 'brighter' images, irregardless of input source. The blue startup screen shows no anomalies, only during playback. This goes away after 1-2 hours and all looks okay. I want to replace lamp, but not if this is a major issue. Any ideas?

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  • Anonymous Mar 15, 2014

    pb6200 benq "blown fuse"

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White dots on display so how cane remove white dots from the display?

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It's not the lamp. if you've replaced the cords and still have the problem, reset the settings to factory default to make sure the resolution matches. if still not ok, there may be an issue with the main board.

Posted on Nov 12, 2009

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Posted on Jan 02, 2017

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This can only one of two things - the lamp or the Ballast ( lamp's powersupply )

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Take out the lamp by unscrewing the lamp door at the bottom. Then look for any vein like looking marks in either black or white. Or even a bubble at the bottom end of the lamp's shaft.

If you can spot anything out of order , then the lamp will need replacement.

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Hi skeeterJ

This is most probably your lamp , I have had loads of PB6100 's that has even had less hours on the lamp than yours and needed replacement.

Keep in mind that the 2000-3000 hours they talk about on a lamp is just a rough factory estimate. The time you get on a lamp is determined by how you use the Projector - because at the end of the day the lamp is just like a globe in your home - it doesn't like being swithed on and off for short periods. This is a mistake most Projector owners make - by thinking they are saving the bulb's lifetime and switching it off for short periods.

You can take my word on this as I am a Authorised BenQ Service Technician.

I've had clients who got 10 000 hours on one bulb just because they left the unit running for longer periods.

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Easiest way to make 100% sure before investing in a new lamp is to take out the lamp by opening the lamp door at the bottom.
Check for any vein like looking marks in either white or black or a bubble on the shaft.

If you have any further troubles or questions , feel free to post another posting and I'll answer it for you ASAP.

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