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Projector bulb voltage


Does anyone know what voltage projector bulbs operate on?

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Re: projector bulb voltage - InFocus LP 600 Multimedia Projector Multimedia Projectors

Normally 100 to 240 Volts

Posted on Jan 06, 2008

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Voltage of the lamp

starting voltage is more than 1000V (only 1-2 seconds)
after 1-2 seconds ,the projector is turn on ,and running
operating voltage is 65-120v

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We supply original projector parts: lamp, bulb, Lcd panel, Lens, DMD chip, color wheel,
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Hello, My Ask Proxima C410 has sat in storage

we have the cover
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We supply original projector parts: lamp, bulb, Lcd, Lens, DMD,

motherboard, powersupply ... with high quality and competitive price.
Jerry China
Tel: +86 131788 67858

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Likely the projector has seem some hours on it before being sold second hand to you. A worn out metal arc lamp will wink out like this when it is at END OF LIFE. As the lamp operates, pressures build from high voltage arc current passing through the pressurized bulb. More and more voltage is required to keep the arc struck and operating as temperature rises. As the bulb ages, it requires more power to maintain the arc in the glass envelope bulb. It can rise to a point where it overruns the ability for the power supply in the projector to safely maintain the arc and it winks off, only the fan is left running. When the unit cools, the arc re-strikes and illuminates the lamp.

In short - replace the bulb, but buy TWO of them. One to fix the projector, the other as a spare on hand while awaiting another replacement bulb down the road. These metal-arc lamps typically run anywhere from 50 to 100 hours depending on power supply design and cooling ability of the projector as a whole.

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Only way to rectify this is by replacing the faulty Ballast.

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