Optoma Projector Bulb
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OPTOMA projector HD67N
Optoma h31 Projector: new bulb, no ignition... really quiet ticking sound?
i have a Optoma H31 Home theater projector. i received it from my aunt it was not in use for almost 2 years. when i got it plugged it in right away, the power button on the case itself would flash. id press it and no go. if id press and hold it would make a super quiet ticking noise. no quick like something grinding but like a every other second trying to start sound.. <-- that's my guess.
heres the stuff
1. sat for 2 years never used. "think bulb died"
2. NEW BULB!!!, never used got it off eBay preferred seller 100% matching numbers everything with orig. bulb
3. start button on projector flashing. but when pressed no go... no lights no fans kicking on nothing just a tick
if u could help pls let me know thx
Normally a fan will start up when you press and hold the power button. And there are several fans inside most units. The clicking sound could be the power supply trying to out put the voltages, and one of the voltage sources is trying to deliver power to a shorted circuit. The power supply will sense the over current situation and turn off, then back on, etc. This causes power supplies to tick, tick, tick, etc.
The shorted circuit could be any thing from the audio output circuit feeding the speakers, to the high voltage producer that ignites the mercury vapor lamp (ballast).
There is also a jammed fan that is trying to get started, that makes sounds. Many times a lamp will shatter and pieces of glass flies all over the insides of the unit. Then a piece will jam up a fan.
The last thing is the ballast may have a problem delivering the high voltage to the lamp. Many times a component in the output stage may fail and you might be hearing the voltage arcing across that damaged part. Or if the lamp connections isn't properly seated to the plug from the ballast.
Make sure that the lamp door is properly seated before you plug it in. There is an interlock switch monitoring the door is fully closed.
I don't know it this is a DLP or LCD projector, but if it's a DLP then a color wheel is needed, and they fail all the time and make all kinds of noises, dependent upon the failure. Many have bad bearings and may not start up or squeal. Others loose the colored glass filters, vibrate because of the unbalanced motor spinning at 1800 RPM.
