Question about Sony VPH1271Q Projector Clearance-PRICE DROP.. Multimedia Projector

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Sony VPH1271Q SuperData EX

After a remodeling project, screen comes on then within seconds automatically shuts off. Air cleaned out entire system for dust from remodel project and stayed on longer but still shut off before being used.

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Most likely a loose connection. Check all connections and secure tightly. Visual inspection is not enough. You often can't tell just by looking. It may also be a loose solder joint. Had this exact problem last week with my brothers 1270. It was a loose connection on the 'D" board ( I think it was the D board). I also had this problem after I replaced a tube in a 1270. I had to remove the power supply and when I reinstalled I did not secure the connection completely. It was 99.9% tight just needed that extra push to make contact.
I've bought many CRT projectors over the years for virtually nothing because they were advertised as having the same " turns on and shuts off" problem. I would guess 90% of the time it was a loose connection somewhere.

Posted on Oct 27, 2008

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CRT projectors have a lot of safety circuits built in so that it protects the CRTs from damage. It can be anything from underscan to a fan not turning. There is an LED numerical readout which will help you on the side of the projector.

Posted on Jan 14, 2009

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1 Answer

My projector is not working. Does not seem to be getting juice.

You say checked cord and power there, might be from leakage, check fuse, check units fuse, but if fuse blown, why? might be just close to usage so just replace, if blows again problem

Jul 29, 2014 | Sony Vph-1271q Superdata Ex Crt Projector

1 Answer

When I turn my projector on within seconds it turns itself off

Are the fans all starting up? The symptom you describe is often associated with a faulty fan. Also could be a failed lamp, as the projector will shut down if the lamp does not strike within a defined time, although in this case the 'lamp' light should come on

Mar 31, 2014 | Sony VPL-CS7 Multimedia Projector

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When i first turn it on the message (projector over heated will automatically shut off lamp) comes up and then shuts off after 2 mins

You have an overheating problem.To solve it

1) Ensure that there are clear air pathways around the projector

2) Clean the air filters.

3) Ensure that the fans are running. If the fans don't run the projector won't fire it.

It is likely that cleaning the filters will solve your porblem.

Feb 15, 2011 | Optoma EP716 Multimedia Projector

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Why dull lightoutput coming from the projector sony vpl ex 5

Its because of dust.Out bulb throw air to bulb and at projector through air blower or vacuum cleaner.You will get better result

Aug 04, 2010 | Sony VPL-EX5 Projector

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Hi, I've a sony VPLES1 projector which keeps powering down seconds after it has warmed up and projects. I've put in a new bulb but it continues to shut down? Kind regards Adam

i suspect the device has cooling issues. the shut down is done to prevent physical damage to the machine's delicate electronics. make sure that none of the airvents are covered and try to remove dust using a can of compressed air. if this does not help, you chould contact a local repair centre for maintenance.

Apr 20, 2010 | Sony VPL PX20 Multimedia Projector

1 Answer

Sony projector

clean the air filters of your projector.. if problem still the lamp ballast of your unit was defective.

Oct 23, 2009 | Sony VPL CS3 Multimedia Projector

1 Answer

Projector shuts off within 30 seconds of power on

is the led lit on the top of the projector? what colors?

green is ok.

red flashing in sequence:
2 times- lamp hours exceed 200 hrs. replace lamp.
3 times- lamp failure. replace lamp.
4 times- fans not working. remove obstruction or replace fan.
5 times- temp too high. clean thoroughly.
solid red- undiagnosed error by projector. possible power supply or ballast.

also make sure the lamp door switch is working.

Aug 07, 2009 | InFocus LP 820 Multimedia Projector

1 Answer

Mitsubishi HC900 Projector shuts down after 5 minutes.

You have 1 of 2 possible problems.

(1) You need a new lamp.

(2) You have an overheating problem.

Just a quick couple of notes about your projector. It is a DLP projector (not LCD) and as such the machine as no air filters to clean. It does have air intake and air exhaust grilles, but no air filters to clean. This next part comes directly from the owner' manual for your projector:

When the lamp operation time exceeds 2000 hours*1 *2, the projector automatically shuts off and can’t be used until the lamp is replaced and the lamp operation time is reset.

Your machine is designed to give visual warning messages at 1500 hours used, and 1900 hours used. Did you see any visual warning about lamp life over the past few months?

If you were experiencing an overheating problem, a "TEMPERATURE!!" message would flash up on the screen just before the unit shuts down. If there is no warning, you don't have a heat problem.

If you have a replacement lamp available, install it and reset the lmap hours according to your user manual. If you don't have the manual, google it on the web (it available).

Apr 01, 2009 | Mitsubishi HC900 Multimedia Projector

1 Answer


There may be a dust fleck on one of the LCD screens inside your projector. I had a similar problem and managed to clean it. But it requires you to dissassemble the entire projector !!!. If you are not technical, don't do this yourself. !!!

Feb 16, 2008 | Sony VPL CS5 Multimedia Projector

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