Yeah thats a common problem ay, it's not the fan itself thats the problem, its the control board not supplying enough power to the fan to run it (you can see this by simply connecting a 6volt supply to the fan on its own and it will work fine). The thing is the control board costs around $600+ so its pretty dam annoying haha same with the bar that goes down the side of the screen, they dont sell the part on its own, only the whole engine which is around another $450+. KNow all this from experience with infocus, very poor service.
How much do you want for your one if you sell it?
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Re: x1 multimedia projector
The fan replacement control chip actually cost's $1.55 That's one dollar and fifty cents! and is ridiculously easy to replace! I've done approximately 100 of them. Also you can purchase the light tunnel which is the part that is responsible for the bar that goes down the side of the screen. I have 109 in stock I bought from InFocus and they are $79 each all day long!
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Take the top off and verify that all of the fans are on, there are 2 behind the power supply and one behind the engine. If the unit lights up when the top is off, then the wires above the dual fan assy may be putting pressure on the fan frame while the top is on causing one to rub or not turn at all. If this is the case, unplug the power and try to route the cables thru the notch in the top of the fan assy a little better. If any fan isn't working, the unit will not light. This could be due to a main board problem or a bad fan itself. If the colorwheel is stuck, the unit will light and then shut off. Also, depending on the age of the projector, if there isn't a green wire going from the front of the main board to the bottom of the power supply ballast, the power supply will need to be replaced or upgraded by a technician.
it's the fan. if it won't spin full power, it can't cool down the projector and it'll shut down. there are 2: 60mm (part # 526-0153-00) and 80mm (526-0152-00). both can be purchased from infocus or an infocus service center.
you can plug the other fans one by one into the working fan's socket to make sure the fans work. if they don't replace them. if they do, you have a main board issue. the fans have a 3rd wire that senses rpms, so they can't be rewired.
if the fan is not moving but still receives voltage, just replace the fan. if you're sure the fan works but no voltage, hope you're good at soldering. you need to remove the main board and solder a jumper from the bad fan's power and ground to the working fan's power and ground.
the bulb may have burst from overheating from a fan not working to cool it down. and it can be replaced. it does take, however, a while to replace it because you have to take half of it apart. but make sure it's the fan first. take the lamp door off and remove the lamp. use something small and thin to push in the switch that the lamp door usually activates. turn the projector on and see if the lamp fan and the colorwheel (the multicolor glass disk) are spinning. if the fan spins, the noise may be from the colorwheel motor going bad. the fan can be purchased through an infocus authorized service center. check the website for the closest one. but the colorwheel for the x1 cannot be purchased seperately from the optical engine, and that costs a fortune. but here is the part number for the 80mm fan- 526-0152-00.
remove the top, front and rear panels (4 copper screws and 4 silver screws on bottom, 2 silver on back). there are 2 fuses for the power supply. the left board (looking from the rear) is the ac filter board, and has a fuse near the plug. the right board is the power supply/ballast board, and has one fuse near the back center, but it is soldered in. if the fuses are bad, replace only with the same size fuse. to replace the power supply (either board), just remove the screws and plugs and replace with part numbers 510-1908-00 (ac filter) and 520-0143-00 (power supply).
the caps dry out. look for bulging caps. you won't find a schematic for the ps boards. infocus had someone else make them. the problem seems more like a overheating issue. as for the other one with the "just the fans", check the colorwheel.