Question about Vivitek V37655 56" DLP TV

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56 inch vivitek dlp tv that shuts itself off

The picture goes blank then shuts down, within a few monents it will attempt to restart, then procededs to shut off again. If we try to restart it the picture goes blank then the sound and back to shutting down again.
We have check the filter and cleaned it but that hasn't helped.
The lights on the front flashes in a sequence of 6 yellow 4 times then green, then an array of blinks,

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I am not familiar with this brand but if it is not a heat issue, my hunch would be that either the lamp is not seated correctly or that the ballast is on its way out.
Ballast failures are quite common. You can buy one online.
Unfortunately I don't have a service manual for this set. Are you capable (willing) to open the TV up and start looking around inside?
Is this your first lamp? How many hours would you say you have on it?

Posted on Jan 17, 2009

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I believe you have a bad main board..to replace it you would need to have someone come in and do the repair.or you can take it to a shop and have it done there . the main board controls everything on the tv and the flashes you are getting suggest a bad main board

Posted on Jan 17, 2009

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Its the problem of capacitors getting heated on the main board that has to be checkred and replaced to make it clear.

Posted on Jan 17, 2009

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1 Answer

Turning off then turns back on.


The ballast board that controls the lamp is bad.

Feb 20, 2014 | Vivitek V37655 56" DLP TV

1 Answer

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.


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May 29, 2012 | Vivitek V37655 56" DLP TV

1 Answer

Vivitek DLP TV 56 inch turns on and off contniuosly after it's turned on what's wrong?


This is a classic "Hic-upping" switchmode power supply problem. The protection circuitry inside the SMPSU, has sensed a severe potential problem, and is attempting the shutting of the set, down to avoid a fire, explosion, or both.
This set had developed a problem, that is so severe that the set must be shut down, (This set should be removed from the Power),
What is happening is the internal "Fault" that is causing the Protection Circuitry , to detect the problem and attempt to shut down the set, keeps restarting the set, because as soon as it shuts down, the "Faulty" component(s) cool down?, and the "Fault" ostensibly "Clears" so the PSU starts up again, only for the component(s) to heat up, whatever, again and fail, so it shuts down, and if left unattended, this would continue on until the part eventually failed. As related this is called a "Hic-upping Power Supply". Any fault that involves the power supply is usually quite serious, and needs a professional, usually, unless one is familiar with servicing current day, televisions.
And in my professional recommendation, you should get a "Quote" for repair, from, an, Approved Service Center. Now, this point is very important for a good result, Always contact, their "Local" or a, "Head Office" Vivitek, in your case. Ask them, for a referral to an authorised servicing center, where you ask for a "Quote". Now, when you get the information you want, then you can decide as to repair of replacement.
The reason we want an approved agent, is that way, all the engineers are trained on their own brand sets, they have seen almost all faults, and will get the job done quicker, and for less cost, and usually have parts on hand, also sometimes, there has been a service bulletin in issued and the repair may be subsided or even free. There are many, many, many reasons that display this symptom, one must work through the troubleshooting steps to isolate and identify, the Cause and repair that and any damage done.

Feb 01, 2011 | Vivitek V37655 56" DLP TV

1 Answer

New lamp, still no picture


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

Jul 02, 2010 | Vivitek V37655 56" DLP TV

1 Answer

I replaced the lamp im my vivitek 56 inch dlp tv. But it still wont turn on. The light goes from green to red and it makes a sort of high pitch sound then stops


my vivitek RP56HD22A 56" dlp tv has a new lamp and will not turn on. when i push the on button is whines and wont come on

May 24, 2010 | Vivitek V37655 56" DLP TV

1 Answer

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...
..no more humming, the picture is great and now I can listen to the movie again...not the tv!

Mar 17, 2009 | Vivitek V37655 56" DLP TV

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