Question about Sharp DT-400 Multimedia Projector

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DT-400 Sharp, won't turn on. Power light on & Lamp light on

The unit was turned on more than 4 times after lamp life. I now have a new bulb, but cannot turn the unit on to reset. both the red power light is on and the red lamp light is on. Any ideas?

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  • rheid Feb 09, 2009

    Grrrrrrrrrrr Didn't work.. Thanks for the try

  • rheid Feb 09, 2009

    I replaced the lamp. It did turn on prior to replacement. It turned on once after replacement, but didn't restart. it restated with the problem I now have. I also put the old lamp back in, same problem

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  • Sharp Master
  • 13,433 Answers

Unplug, hold down the power button and plug back in. see if that resets it.

Posted on Feb 09, 2009

  • 3 more comments 
  • Ekse Feb 09, 2009

    Also try the suggestions offered on this page

    http://www.fixya.com/support/t396704-lam...


  • Ekse Feb 09, 2009

    checked the page I sent you yet?

  • Ekse Feb 09, 2009

    I think I may have missunderstood your problem, so the unit doesn't turn on at all. well there where a few possible solutions on the link I sent you earlyer have a look there and see if it helps.

    did you replace with the same model lamp?
    The supported lamp for this model is Sharp AN-K2LP.

    before you got the two red lights, did the projector turn on with the old lamp?

  • Ekse Feb 09, 2009

    heres the lamp timer reset process



    Lamp indicator Red on, possible faults:
    Birnt out lamp
    Lamp circuit failure.

    Would suggest to carefully replace the lamp again. got the same manual there?

    Check that ventalation is ok, noting is blocking and there is not too much dust.


    I have contacted a person that might have more information for you. I suspect to get a answer within 24hours.





  • Ekse Feb 11, 2009

    Hi again,

    Have you reinstalled the new lamp and checked that everything looks good?

    Do you still have the same problem, do the leds blink or are they both steady red?

    Thanks,
    Ekse.


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Posted on Jan 02, 2017

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1 Answer

The "lamp" light keeps blinking red. Does this


The lamp life becomes 0%, when used
for approximately 4,000 hours with "Eco
Mode" or when used for approximately
2,000 hours with "Standard Mode" (see
page 43).
When the remaining lamp life becomes
5% or less, " " (yellow) will be displayed
on the screen. When the percentage becomes
0%, " " will change to " " (red),
the lamp will automatically turn off and
then the projector will automatically enter
the standby mode. At this time, the
lamp indicator will illuminate in red.
If you try to turn on the projector a fourth
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I have a Sharp DT400 projector. I replaced the lamp, and the unit powers on, and displays a picture during warm up but only for a few seconds. The lamp indicator and power lights go back to red and unit...


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Hello :

Check out the Power supply to the lamp . It must not be high . . Check if the voltages are correct to the lamp's unit and it's PCB [printed circuit board]. I recommend using a service manual .

Check for manual here please :
Sharp DT-100 Multimedia Projector manual .

........................................................................


Here is how to replace a projector's bulb correctly :

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:
new projector lamp
screwdriver
micro fiber duster
Warning:
avoid touching the bare projector lamp
I hope this will help .

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