Question about Office Equipment & Supplies
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Posted on Jan 02, 2017
if there are no leds on the top, replace the power supply. if the leds are on and the fans are running, it may be the colorwheel or the ballast.
Posted on Jan 06, 2010
Look for buldging capacitors, or capacitors with black on the tops of them (like they got hot). Bad caps have left me dead in the water. Also look at all of your transistors (the ones with 3 prongs at the bottome (emitter collector base) look to see if some of them look burt or melted. Some transistors will have only 2 connected or maybe even one clipped off. Power transistors commonly have a screw at the top and screw into a "heat sink" or an aluminum block to help with heat. Hands down.... capacitors 9 out of 10 times have left me dead in the water. Heads up, capacitor manufactuers are manufacturing caps so that it's hard to see when the go bad, (buldge or blacken at the top). Looks like the old meausure voltage in parrallel and amperage in series will have to apply for these fixes. Get a schematic, change caps, check fuses for continuity. on my Eiki EIP-200 i notice a little buldging on C727 on my main power board (the board withthe Giant capacitor on it). Anything hot looking or burn marks, usually a replacment part is in store.
Posted on May 12, 2012
This happened to me. In the projector, the section in between where the lamps go, there are two very small switch type levers, when a new lamp is positioned, these switches are supposed to move in line with a 4mm section of the new lamp. If they are not aligned together with the switch and slotted into place, it appears as if the projector doesn't recognise the new lamps. Unscrew the lamps again, make sure these little switches are aligned (a very small screw driver could help while positioning) when refitting the the lamps. Screw the lamps tightly and fire up. Hope this helps.
Posted on Jun 17, 2012
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