Question about ViewSonic PJ402D DLP Projector

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DIY lamp I hook a 110V 100W bulb to the pj402d. It lit up for 5 sec. then it turned off. No damage was done to the bulb or projector. Is there a cheap way to replace the bulb with something else? There must be a modification to the sensor circuit that will allow a substitute bulb to operate properly.

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I had the same problem awhile back and looking around for an answer i found this.
http://recklessphilosophers.com/2008/05/02/home-theatre-for-63--dlp-pj-retrofit-for-7-bulb-instead-of-300.aspx

Posted on May 22, 2008

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Lamp light flashes amber without the lamp ever turning on, then projector shuts down in a minute or two


Based on what you're describing, it sounds like a failure in the lamp ballast itself. The projector will probably need to be sent for service.

If you have a spare lamp, that would be the first thing to try. However, if it isn't that, it is likely the ballast.

Mar 15, 2016 | ViewSonic PJ402D DLP Projector

1 Answer

Turned it on, smelled something burning only to discover that the part of the lamp that hooks into the projector has melted everything, so now no lamp will fit (it's pretty obvious that it's busted).


the standard housing is high temperature resistance. it will not be melted .
your lamp housing was melted, means that the lamp and the housing is a inferior one, the quality is not good. It will damage your projector .

Pls purchase a new one ,a good quality lamp +housing
Have a good day!
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Feb 28, 2014 | NEC VT47 LCD Projector

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I have a Canon LV-7350 that comes on for 15 secs then turns off.. everything is hooked up correctly. and I have swiched out the bulb to rule that out.. anyone ever seen this?


Hello :

It must be overheating problem . Check the fans . If the fans run properly , then you need to check the fuse or the power PCB [printed circuit board ] . If everything is okay with all of those , then I recommend you to replace the bulb .

Here I'll tell you how to replace it :


  1. Make sure that your power switch is off and that the power cord is unplugged from the electrical socket.
    It is also wise to unplug any other cables and label them in order to restore them in the right way once the lamp is replaced.
  2. In order to see the lamp, remove the access handle on the outside cover. You may need to use a screwdriver.
  3. Pull out the used lamp and clean the relevant parts using micro fiber products and not paper.
    Please note that in some projectors a small inside filter should also be replaced.
  4. Insert the new lamp into the projector carefully avoiding touching the glass of the lamp itself.
    Touching the lamp will deposit skin oil that will likely damage any new lamp during use.
  5. Reassemble the access panel, repluge the cables and power up the projector.

Things You'll Need:

Warning:
  • avoid touching the bare projector lamp

please rate !.

Apr 12, 2010 | Canon LV 7350 Multimedia Projector

1 Answer

Problems with Projector Panasonic PT-L501XU after change the lamp


was this bought new or second hand?
There is a "Lamp Time" setting that can be accessd using your remote control, check this setting.
Look on page 40 and after that of your manual about ambient temperature bulb failure.

By powering off or hittign the reset button the bulb should stay on IF the projector is gettign a signal from a device to show an image. If the projector is not hooked up to a device, laptop, TV, etc. the bulb may turn off to save hours of operation.

Dec 21, 2009 | Panasonic PT L501U Multimedia Projector

1 Answer

AMber light blinks as soon as I turn it on then shuts off


As soon as you turn it on hold down the menu button until the lamp turns on.

Oct 13, 2009 | ViewSonic PJ402D DLP Projector

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Projector shut off


Your lamp may well have died..

Oct 07, 2009 | ViewSonic PJ402D DLP Projector

1 Answer

Lamp timer reset on my veiwsonic pj503d


hold the up button ( on the actual projector not the remote ) for 5 sec and then press auto

Sep 07, 2008 | ViewSonic PJ551 Multimedia Projector

1 Answer

Resetting lamp on a lg rd jt40 projector


remove bulb. replace bulb. within ten minutes press exit on projector and hold for three secs. then immediately press menu then press left or right arrow button. you are done. turn off then turn on

Jul 04, 2008 | LG RD-JT40 Multimedia Projector

2 Answers

Blinking status light


Replacing the lamp with an old one was helpful for me. Good news: the projector itself not faulty. Bad news: I have two projectors with the same issue at the same time (the lamps were replaced also at the same time) after only 400 hours of running.

Apr 01, 2008 | NEC VT47 Multimedia Projector

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