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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Hi folks,
School starts in three weeks and I've planned an entire year of videos and presentations around a projector that is now out-of-commision! The projector is an Infocus LP130. Recently the bulb with aprx 500hrs just went out...no dimming, fuzzies etc. The next day it worked fine, but the following day it went out again and won't come back on at all now. The fans come on, the bulb is seated tightly, the wires to the bulb look fine. I haven't actually opened the pup up and poked around. The bulb is a UHP discharge lamp with the very high kick start voltage, so I don't really want to poke around with a meter during power up! Would I be correct in assuming this would not be normal "the bulb is shot" behavior and the problem would like be something other than bulb related? I don't have a spare bulb to test it with. These types of bulbs would always show open with a continuity test wouldn't they? Any ideas or directions I should take? The only input I received commercially is the standard "give us $100 and we'll let you know whether it's going to cost $1,000 or $2,000 to repair". thanks, steve cooper |