Question about InFocus IN72 Multimedia Projector

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My projector stop working and no power is going to the unit. Did this happen to anyone else and does anyone know what might be the problem?

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Make sure the lamp door is secure. if that isn't the problem then the fuse on the power supply is likely blown and will have to be repaired or the power supply replaced.

Posted on Jul 07, 2010

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Hello I have the infocus screenplay 5000 projector & after reading all the posts here decided I dont have a similar problem to anyone else. My bulb life expiration came up months ago but the unit works...


working with expired lamp can cause the overheat, and the power supply will be damadged, you need to replace the chemical caps at secondary parts as shown in the picture below:
3e6a1e63-c9de-4b1f-bffe-f1d2a331bb93.jpg

Feb 11, 2014 | InFocus ScreenPlay 5000 Multimedia...

1 Answer

Power indicator /red/ and warning led/red/ are lighting after ea 15 sec. a lamp never start and fans goes in OFF mode. I checked power supply lines S5V,S-5V,S16V on the Main Board . I checked unit lamp...


If power indicator light red and warning indicator red flashing than according to user manual :-
The projector has been cooled down enough and the temperature returns to normal. When turning ON the projector the WARNING indicator stops flashing. CHECK AND CLEAN THE AIR FILTER.
Experience:- 1. if the temperature is very low than temperature sensor maybe misbehave.
2. If anyone fan not working
so please you check fans.
(If lamp or lamp ballast unit faulty than after a time period the lamp indicator light ON not a warning indicator. I experience many times if any fan in projector are broken or jamed the temperature light if present otherwise warning light ON or flashing)

Jan 20, 2011 | Sanyo PLV-Z4 Multimedia Projectors

1 Answer

Toshiba TDP-T90 projector - Won't turn on


the power supply capacitors are dried up. replace the power supply.

Jul 29, 2009 | Toshiba TDP-T90 Multimedia Projector

1 Answer

BENQ PB6110 - will not power on


Hi I am Vortash check the lamp housing is secure as most units have a safety switch on them to disconect the projector from the supply while a bulb is inserted .. I fthis is secure and the fuse is not blown I suspect the lamp or the ballast .. look for dry joints on the board for the lamp or unseated plugs other than that unless your friend can trace the psu switch mode power supply back to it's individual outputs and check that it is working correctly your going to have to take it to an engineer sorry .. hope this helps Regards Vortash

Apr 15, 2009 | BenQ PB6100 Multimedia Projector

4 Answers

Have a number of same model projectors lc-sd15 stop working .


Are you a UK school district? the thermal trip has been a problem on sevral makes of projectors including Sanyo, your problem now may be lamps what hrs do you have on the lamps?

Marc Engineer

Apr 06, 2009 | Eiki LC-SD15 SVGA LCD Projector Multimedia...

1 Answer

I have a projector (SONY VPL-ES1) and the bulb stopped working. Took the bulb out, and not sure if it's blown or not. I checked online, to see if anyone else had similar problems, and sure enough they...


usually the projector powers and cools down. if you restart it it will open the cover, not projecting anything and after 10 seconds it will close again. this happens if the lamp is shortly before the end of the measured lifetime (no fixed hours) to protect the projector. usually if you take it out once or twice it will work for 1 or 2 more times but the bulb is very likely to explode (not destroying the projector but not good anyways)

Dec 30, 2008 | Sony VPL-ES1 Multimedia Projector

1 Answer

NEC LT240 has Power, Status & Lamp indicators lit & wont turn on!


If your bulb finally reaches it's end before you have the chance to replace it you unit will shut itself down and go into a permanent standby mode. Changing the bulb alone will not remedy the issue. The solution is quite simple but not posted in the manual or anywhere else that I could find for that matter! All that is required is to hold down the HELP button on your remote for 10 seconds while aiming at the infrared sensor on the unit. This will reset the units bulb timer and remove it from the standby mode.

Dec 10, 2008 | NEC LT 240K Multimedia Projector

1 Answer

Unit will not power on


Company said it was defective. Sent back for exchange.

May 30, 2008 | ViewSonic PJ501 Multimedia Projector

1 Answer

Bulb Exploded


did you have the fan on? usually it explodes because of excessive heat, make sure the fan works when you replace the bulb

Jan 16, 2008 | Dell 2200MP Multimedia Projector

1 Answer

Blub goes out during use.


Most fans have a sense line to detect the fan is working properly, Possible the sense circuit has failed. The unit should not start if it thinks the fans are not running. Possible thermal problem with the sense circuit, since your unit starts up then stops.

Mar 10, 2007 | Toshiba TLP-ET1 Multimedia Projector

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