Question about BenQ DX 650 Multimedia Projector
There is a problem with the Powersupply on these which causes the exact problem you are having
Posted on Apr 02, 2008
If the bulb expired while on the unit could have surged and the lamp preheat circuit as well as sensor could have burnt out as well. This is a common problem in more than one brand of projector.
Posted on Jun 15, 2009
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Posted on Jan 02, 2017
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