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Replace lamp on dlp tv

When I turn on my vivitek 56 inch dlp tv I get replace lamp now on the screen. I replaced the lamp and it still says the same thing. I need to know how to get into the service mode to turn this off. MY TV WONT TURN ON IT A VIVITEK THE SERIEL IS RP51 HD41-A

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On the side of the TV press the menu and volume up buttons at the same time for three seconds. The 'reset lamp timer?' will appear on the screen. Press the OK button to accept. You're done!

Posted on Jan 27, 2011

  • adamku Sep 17, 2011

    after the reset lamp timer appears on screen press the bottom (enter )button to reset lamp timer



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I have a Vivitek RP51HD41-A TV. The TV keeps turning off and on. The color and sound is fine. I have replaced the lamp and this has not fixed the problem.

If its a DLP it may have a color wheel which could be your problem (the colors will change etc)

Color wheels move at high speed and if slow down set will shut down.

The wheel if there will face the lamp. If often if failing will make a high pitched whine or a fan like sound.


May 29, 2012 | Vivitek V37655 56" DLP TV

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New lamp, still no picture

You need to replace the ballast board the powers the lamp.

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I need a replacement dlp lamp for a Vivitek model RP42HD51-A Can you help??? Cost & Availibility???

here is your tv lamp IQ number:3797048800 so with this is easy to find you a good price try this website i buy a lot from this site is good free shipping and good service i like it oh y will give you a link so you can do it yourself..

i think you know who to !

this is your part number! im not doing any thing lol.. so i can help you

hope it works good luck!

Nov 15, 2009 | Thomson 50DSZ644 50" DLP Rear Projection...

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Vivitek 56 inch dlp projection is humming. why and how to fix

In my experience, the humming means your color wheel is going. The bearings inside the wheel are probably giving out.
My Vivitek started humming a couple of months ago and first I replaced the lamp.
Still hummed.
I read in other forums that humming is linked to color wheels and that seemed like where the noise was coming from.
I purchased a new wheel online and replaced it myself... more humming, the picture is great and now I can listen to the movie again...not the tv!

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