Question about Optoma RPLMNT LAMP FOR EP761 / TX761 - BL-FU220C
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Posted on Jan 02, 2017
SOURCE: OPTOMA EP716
ALSO CHECK YOUR FAN. IF THE FAN OR A HEAT SINK IS NOT WORKING PROPERLY (I.E. THE FAN MAY JUST NEED TO BE CLEANED OR REPLACED, THERE SHOULD BE A SMALL HEAT SINK. IF CLOUDED W/DUST, IT WILL KEEP THE OPERATION SHORT). ALSO CHECK IF YOU HAVE SET ANY TEMPERATURE SHUTDOWN PARAMETERS. IF YOUR LAMP HEATS UP FOR SO LONG AND REACHES A TEMPERATURE THAT WILL AFFECT THE CIRCUITS, THIS OF COURSE WILL SHUT DOWN YOUR UNIT UNEXPECTEDLY. HOPE THIS HELPS...JGUAM
Posted on Apr 05, 2008
SOURCE: EP716 Optoma Projector Fuse
There is no fuse. I took my EP 716 apart to find out why it died. I found a resistor had blown on the power board made by the Tiwan co. Quazarpower.
Posted on Jan 03, 2009
SOURCE: blotchy colors on optoma hd80
i had, have the same problem i also replaced the bulb then shortly after the power went out no standby light or anything. From what i've read so far it seems like a power supply issue so i ordered two power supplys from optoma 1 for lamp 1 for the unit waiting on delivery from CA they were $ 99 each if this work i'll be one happy camper. Three years no problems it's a great machine with incredible picture using 106" screen
Posted on Jan 29, 2010
SOURCE: dust inside lens...
this can be a doozy, but if you are up to it, remove the top cover, you may have to remove the rear, front and maybe sides, i don't know, but what you are after is the cover over the top of the lens. take that off and use air to blow it out--don't touch anything, just blow. several bursts then quickly replace the cover over the lens assy. if used in a dusty environment or ceiling mounted, you may have to do this as needed.
Posted on May 24, 2010
take a little paper towel make it thin and stick it in their and wiggle it arround and wiggle it around like you just dont care,. ; )
Posted on Dec 28, 2010
Tips for a great answer:
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Your projector needs little maintenance. The only thing you
need to do on a regular basis is
to keep the lens clean.
Never remove any parts of the projector except the lamp.
Contact your dealer if other parts
Cleaning the lens
Clean the lens whenever you notice dirt or dust on the
• Use a canister of compressed air to remove dust.
• If there is dirt or smears, use lens-cleaning paper or
moisten a soft cloth with lens cleaner
and gently wipe the lens surface.
Never rub the lens with abrasive materials.
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