Question about Hitachi PJTX100 Multimedia Projector

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PJ-TX100 Projector turns off after about 2-3 minutes & the power & temp lights flash. The fan also stops . The fan was running at time of turn off. The air vents look clean & the lamp has only 400hrs on it . Advise on smithgln@yahoo.com Thanks

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  • 17 Answers

Sounds like what 80% of the projectors on this page are seeing... bad power supply or lamp ballast.

Posted on Jul 17, 2008

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Hitachi pj tx 100..put in after maeket bulb...woeked great for 300 hrs then went very dark....put another bulb in no difference ??


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Benq w1000 project not turning on


Look at the manual page 34, for the indicator messages. I suspect it's the same problem I have (which I haven't had formally diagnosed yet!), which I believe is a defective fan. My projector had been making a really loud noise on startup, which varied in length and volume. Recently the projector has taken to turning itself off after being on for about a minute, and the power light flashes green, with the temp and lamp lights flashing red.

Jan 27, 2012 | BenQ W10000 Projector

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Hi my projector starts up for about a minute then turns off any ideas please ? many thanks


hi,
Here i have add a link to the manual for your projector. See page number 32and 33. It describe the lamp reset and filter reset. Try these first.

http://www.manualowl.com/m/Hitachi/PJ-TX100/Manual/72291?page=33

OK

Sep 21, 2011 | Hitachi PJTX100 Multimedia Projector

1 Answer

Our PJ-TX10 projector is turning itself off


First, to rule out true overheating, clean any dust filters and air-access areas. There might be enough dust on the filter to cause a gradual build-up of heat which could trip one of the temperature sensors in the unit. I clean my projector once a week--There might be a cooling fan going bad--after a while, heat causes the fan motor to start to drag and slows down the air flow. Also, there might be a temp sensor that is shutting down the unit prematurely.--Rick

Sep 06, 2009 | Hitachi PJ-TX10 Multimedia Projector

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Hitachi pj-tx300


Hi - You can download the manual by clicking the link underlined in blue below:

pj-tx300
See page 53:

0e80da5.jpg

You need to reset the lamp & filter timers.

Please take a moment to rate this solution & let us know if the information given was useful to you - Good Luck!

Informatica

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4805sp runs 4 or 5 minutes then shuts down


Hi there

Yeah, thats the bad fault that one. The fault you have described is the main controller board giving up the ghost and stops supplying enough voltage to the fan tp allow it to run, and shutting down after 4 or 5 mins is the safety thermostat on the bulb cutting it out as to not cause any damage due to overheating. My projector had both these same faults, I ended up just buying a new light tunnel after many attempts of glueing mine back together unsuccesfully =(, and to fix the fan issue (without spending $800 on a new controller board), I permanently mounted the insides of an old nokia charger inside the projector, which supplies the fan with its own power source, worked like a charm =D. Yes I would be more then happy to send you the service manual, may I have your email adress to send it to?

Cheers

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1 Answer

Overheating when I know it has not been on.


one of the internal fans might be broken, if even one of them stops, this problem will occure!
there are 6 fans in this projector.
check also if the metal handle is folded towards the lamp housing, if not it can stop the large exhaust fan
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1 Answer

Hitachi projector temp light


This is what your projector's user manual says about a flashing "TEMP" light :

"The cooling fan is not operating. Turn the power OFF and wait approximately 20 minutes. After the main unit has cooled down, please make confirmation that no foreign matter has become caught in the fan, etc. After performing any needed maintenance, turn the power ON again; if the same display is displayed, then please contact a sales store or a service company."

Your user manual is available at the following link :
http://www.hitachi.us/Apps/hitachicom/content.jsp?page=Products/SupportServices/Support/DiscontinuedModels/index.html&level=4&section=Products&parent=DiscontinuedModels&nav=left&path=jsp/hitachi/forhome/DisplayTechnologiesGroup/


May 20, 2008 | Hitachi CP-X275 Multimedia Projector

1 Answer

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Hi George86969

Try checking if all the fans are working when you swich on the unit. Normally a static red temp. light is a faulty fan that will have to be replaced.

May 17, 2008 | Hitachi Cine Master PJ-TX200 Multimedia...

1 Answer

PJ-TX100 Projector won´t start up out of Stand-By


Hi Mario

If there is no response on the Projector it normally means that the Mainboard is faulty.

Check if your machine is still under warranty because this quite expensive to replace.

As far as the schematics are concerned - I'm unfortunately not able to help you out with that.

Apr 02, 2008 | Hitachi PJTX100 Multimedia Projector

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