Question about Mitsubishi VS-50607 50" Rear Projection Television

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Color Fluctuation The color periodically fluctuates from color to black and white (going through a variety of colors) then comes back to color and works perfectly. This happens every 15 minutes or so. It is if there is interference in the signal, but the other set connected to the satellite does not have this problem

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Re: Color Fluctuation

You could have either some bad solder connections or capacitors going bad in the chroma or voltage regulator circuits. As long as the picture is great when it's working, it should be worthwhile repairing.

Posted on Jan 27, 2007

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Black and white picture and no color

The video controller adjustment section for color has defaulted to black and white because the circuit board may have been affected by a power surge or power outage. It may be that the Video board needs replacing.

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Repair Procedure

Does it do this on every input? Like no matter if its DVD or something else? How long have you had this problem? Are you attempting to repair it yourself or have it repaired? Once I have more information I can assist you further.

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Good picture but no color

There is a loose contact somewhere in the color circuitry of your TV. Specially where the color oscillator is or it could the 3.58 Mhz Crystal that is defective.
A cold/crystalized solder joint will cause this failure too.

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Have picture in black & white no color. audio

Hi,it definetely sounds like the color wheel.The color wheel is a rotating disc that has a gamma of colors it spins at high rpms.The light of the lamp goes through it to create the colors on your tv.When it starts to go bad you will get color distortion ,black and white picture and sometimes you will hear humming noises.Found your color wheel here: Have a bless one!

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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.

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HLN5065W picture turns black and white and shuts down

Sounds like your color wheel may be at fault. Do you ever hear any unusual noises coming from the rear of the TV? Color Wheels usually make a humming sound as they go bad. This is because the tiny bearings in the color wheel motor have begun to misshape from use and heat. This is a known issue in this TV! Expect to spend $300-500 to have this serviced by a service company. If you have the right stuff, you can do it yourself. If you search the web, you'll find a color wheel for this TV for under $100, but installation can be tricky.


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1 Answer

The picture is in black and white but menu is color

you might have the colorwheel checked to see if its bad

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The only way to do that is by eye. To Adjust the screen controls the best thing to do is turn them all down then slowly adjust one up until you get retrace lines (arched lines across the tv) then turn it down until the lines re not visible then go about 1/4 turn more, repeat this for the 2 remaining colors, after that its just done to eye for the best color. if you are still having trouble getting the color right you can go in the menu to the video settings and turn the color all the way down then you will have a black and white picture and you can adjust for a perfect black and white picture then turn the color back up in the menu.
As for the focus controls its best done by covering 2 of the tubes so you only have one color on the screen then adjusting to the best looking focus for that color. then repeat this for the other 2 tubes.
If you need more help or clarification please let me know


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