Has the bulb 1100 hours of life. Recently we experiment on the screen the effect of a broken glass, but it got fix after I clean the projector with an air compressor, i guess it helped cleaning the filters.
now the projector works, looks fine with songs, but every time we are trying to show some video, the coloring, quality is not good any more like the beginning.
is the lamp that is bad with 1100 hours, or what else could be the problem?
can some one help me? thanks
I tried changing the contrast, bright and everything possible from the menu.
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Re: the acer pd523
When you cleaned it with compressed air you might have jarred loose a connection on the board. i would take the unit cover off and look to see if you jarred a chip on the board or there is a bad connection of some of the capcitors. if this doesn't work try and change the bulb.
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Seems that regular bulbs really don't like the high heat or getting splattered with cooking juices, shatter at the first contact with liquid. Think you better spend the couple of extra $$$ and not have to clean up a shattered glass mess in your oven.
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there are phone repair shops all over the place that can replace the glass quickly
the glass is fairly expensive but there are different qualities that increase the life of the glass on dropping
ask around , get quotes and consider having a person with experience do the job as it takes very little to break the phone full stop
It sounds like the projection lamp is beginning to show its age. How many hours of use does the unit have on the bulb? The bulb are typically rated for about 800-1600 hours of use before they go bad. The bluish image on the screen image is a typical tell-tale sign that the bulb is going to need replacing.
Most of your better projection units will have an internal time counter of the bulb life from the time the unit is first used or when a bulb is replaced. Check to see if your unit has this feature, if so it will show you on the screen display what is the total number of hours on the bulb and the estimated remaining hours of life.
Be aware that the replacement bulbs are NOT cheap and usually will cost you several hundred dollars, I have seen bulbs for professional projection units used for large convention/presentations have bulbs costing as much as $500.00 USD.
One other last thing to check is to clean the lens of the unit both inside and outside. To clean the inside, you will need to remove the bulb (be sure to wear a rubber glove as the oils from your skin will cause the lamp to blow, (causes a hot spot)). Then using a cleaning wipe, just as one used for cleaning microscopes or glasses, wipe the lenses. The discoloration might also being caused by dirt and oils on the lenses.
I hope this shed some light on your church's projection problem.
You may have got finger prints inside the unit. Use alcohol and a paper towel or q tip/swab to clean all the glass surfaces including the bulb. You should never touch these bulbs because the oils from your hand will decrease the life of the bulb. Also make sure you put all the parts back and that they are tight. Last item is the lens may screw for focus.
check to make sure your lamp is completely in and connected properly, and the lamp door is closed completely, if still no light, pull the lamp out and make sure it is not broken from transporting it or handeling it.
Making sure you do not touch and glass portion of the lamp or surroundings. only touch plastic or "metal using clean dry paper towel for metal contact" as skin oil can destroy a lamp.
"If this dosen't help please reply for more help before marking a bad suggestion, thanks"
lamp hours can only be displayed by connecting two test points in side the projector. in normal operation, a message will be displayed on the screen when the lamp hours = 1090. when the lamp reaches 1100 hours, the projector will shut itself off. when you do replace the lamp, be sure to reset the lamp time in the setup menu (this is covered in your manual).
It is possible that your television needs to be degaussed. Gaussing occurs in televisions that have magnets, (usually speakers) placed to close to the unit. A degaussing coil can be purchased at a good electronic supply store. Simply follow the instructions that come with it. If this does not fix the problem, the television will require repair by a qualified service center.