Question about Sharp DT-400 Multimedia Projector

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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 goes back into standby mode before warmup is complete. I've read that it's doing this because the hrs have not been reset. I have repeatedly tried the on, input, undo, left, enter, right, on with no luck. I am unable to reset the timer and cannot use the unit. Any suggestions?

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If you try to turn on the projector a fourth time without replacing the lamp, the projector will not turn on.

Press ON, INPUT, UNDO, left arrow, ENTER and right arrow on the projector in order, and then press ON.
The lamp 0000H is displayed on the lower left of the screen.

Posted on Mar 28, 2011

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1 Answer

I replaced the lamp on my XGC55X Sharp Projector and it worked great for 2 nights (roughly 6 hours). Now it goes to warm up, with the lamp light blinking, and will power down with the status button showing...


Have reset the lamp hours after installing the new lamp? If, not the projector has treated the new lamp as old lamp & refusing to light further. So, reset the lamp hours to zero. To reset the lamp timer do as follows. Plug the power cord into the AC socket of the projector. Switch ON the power of the socket. (not projector) While pressing simultaneously INPUT, ENTER & UNDO on the projector, press ON on the projector. "LAMP 100%" is displayed, indicating that the lamp timer is reset.
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Hi, Replacing the lamp in a Sharp LCD projector requires the lamp indicator to be reset. When the lamp needs to be replaced, the indicator becomes red. Resetting the counter for the lamp hours to zero will also reset the indicator to green.
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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 :
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    ........................................................................


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

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    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.
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    4:Insert the new lamp into the projector carefully avoiding touching the glass of the lamp itself.
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    5:Reassemble the access panel, repluge the cables and power up the projector.

    Things You'll Need:
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    Press the MENU button to display the "MAIN MENU", and then select "OPTION".
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    Hello,

    1. Pls check and inspect the Lamp unit.

    2. If Lamp unit is okay, Then the Problem is with
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