Question about Mitsubishi WD Televison & Video
It means that some of DLP connections are either misaligned, or have failed to make a connection. Reheat the connections to try correct this or re-align the DLP chip. This ususally is a nightmare! Regards.
Posted on Jan 05, 2016
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Posted on Jan 02, 2017
I understand what you are saying, however the devil is in the details in reference to your problem. Let me explain, DLP Televisions use what is called "Color Wheel Technology". A wheel made up of primary and secondary colors spin at a synchronized rate with the Luminance Video signal and this along with the changing of the mirrors of the DLP processor creates the color that you see on the screen (This is a high level description, but it covers what is happening). Now what you are experiencing can happen if the sync between the signal to the color wheel and the DLP processor is off center, if the color wheel is out of alignment, or if the signal to the DLP is drifting. The bulb "light" is working but something happened to interfere with the sync between the color wheel and the DLP processor. I would suggest getting this looked at by a DLP qualified TV technician, because of the nature of this problem. In addition I would request that you have the technician do a certified alignment after the problem is taken care of.
I hope this helps,
Posted on Jan 19, 2009
SOURCE: black and white picture only
The color wheel is not the problem. If the spinning color wheel is impaired in its RPMs it will cause picture distortion, not black and white picture. If the color wheel looses any of its color fins, like if it is broken, there will be a loud vibrating noise inside the tv which you did not mention. Also if the color wheel is broken and doesn't spin, the tv will not start up.
The likely problem is on the digital control board or the power supply and should be referred to a local repair shop for repair.
There is an outside chance that you will receive color if you experiment with using all of the different input ports to see if you can find one that will bring back color.
Posted on Apr 29, 2009
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