Okay, just won a Hitachi PJTX100 on ebay. Arrived today, but the fan speed seems to be all over the place. Of course, the projector overheats in about 4 or 5 minutes, the bulb shuts off, and a light warns of temperature problems. Any ideas on what to do. I don't really want to send it back if...

Okay. This is a warning. Don't attempt this unless you feel that your fairly competent with electrical stuff and have a good record of taken stuff apart and putting it back together in one piece. Although nothing in this guide is technical par se, there are a lot of fiddly interconnects that...