I just sent you an email through fixya and I don't know if it went through but I was just saying about the fan and the grey bar. The problem with the fan, is not the fan itself, but the controller board not supplying enough voltage to the fan (you can see this by powering the fan on its own using a 6volt supply, you will fine that the fan will work perfectly normal), thus having to replace the entire control board at around $650+, this is a very common fault for these models. The grey bar as meantioned in my post is caused by the faulty light tunnel, there is a link I've posted here somewhere which tells you how to fix it, but you need extremely strong glue and electronics skills lol, otherwise infocus wouldn't sell me the part on its own, only the whole optical enigne at another $450+. Very poor service in regards to infocus.
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if there are no leds on the top, then you're right about the fuse. radio shack or any electronics store will carry them. it's a ceramic buss fuse. 5 amp, 250 volts. bring the fuse in to them and they're help you. there are places on line that will have them too, but shipping would cost more than the part itself. if the fans come on and no light, it may have just been the lamp.
is the led on the top of the projector blinkng at all? if there is no led lit, the fuse on the power supply may be blown or the power supply itself needs replacing. turn the projector on. you should hear the fans and a high-pitched whir. if you don't hear that whir or it sounds like a noisy motor, the colorwheel needs replacing. if it sounds good but no light, make sure you have the correct lamp. the x1a takes the sp-lamp-009 lamp. it should have 2 white wires, each at opposite ends of the plug. if you have a lamp with a red wire and a white wire, you have a lamp for an x2. also make sure the lamp door is closed completely. if the door is closed (hitting the switch), the lamp is correct, the led is green, and the sounds are good and it still does not light, the ballast is bad and needs replacing.
it's the colorwheel. if you have an infocus x1a, it is a dlp projector and has a colorwheel and dmd chip instead of 3 lcd panels. the colorwheel spins to allow the lamp to stike. it should make a slight high-pitched squeal. if it's too loud, the motor is shot and needs replacing.
if the lamp is new, it could be the power supply (the ballast is built in to the ps). but make sure you have the right lamp. the X1 and X1a have an sp-lamp-019 and the similar X2 and X3 have an sp-lamp-018. the lamps are almost identical except for the wire configuration on the lamp plug. make sure the wires in the plug match the positions in the socket. also, when you turn it on, if you don't hear a high pitch squeal, the colorwheel is not working. and if that isn't working, the lamp won't either. also check to see if the lamp door is closing properly and hitting the switch at the top of the opening.
to remove the fan: remove the 8 screws from the bottom of the projector (4 silver, 4 inset and brass) and the 2 screws from the back. pull the back from the bottom, but use a small flat-head screwdriver to release the tabs seen through the topmost vent of the back. once off, unplug the speaker wires on the right and the cable harness on the left. pull the top off while pulling the front off from the bottom. remove the wire harnesses from the power supply board and the ground wire from the power input board. take the 4 screws off of the power input board and the 4 or 5 screws from the power supply board (and 1 center clip) and remove. take out the 4 or 5 screws from the metal shield and remove shield. now you can unplug the fan that need replacing and access the 2 screws holding the fan in. remove fan and replace with a like fan. since the fan speed is not monitored, if you can find one that's the same size, power, and plug size, use it. otherwise, contact an infocus service center and ask them for infocus part # 526-0192-00. reverse instructions to put it back together. but you must remove the front from the top case, put the top on first, plug the speaker and left harness in, then put the back and front on. wasn't that fun?
we were unable to pull the projector menu & it also took about 2 hours for the bulb to turn on.......the fan works, have changed the bulb, closed the bulb door & tried to reset the projector.......help!