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Regarding a Zenith Rear Projection TV (Model #PV4660VK), the picture sometimes goes from color to black and white. In addition, picture is fuzzy.

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  • Jason Machowski Jul 08, 2008

    Also wanted to mention the TV was manufactured in 1995.

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If the TV is 13 years old, is normal for the picture to be fuzzy due to the CRT liquid coolant has created something inside call "fungus"
You can click here to find more information on how is done.
In regards to the intermittent color, I would say that the 3.58Mhz crystal might not be working properly and will need to be replace.
All the above might not be a DIY.
Let me know if you need further assistance.

Posted on Jul 08, 2008

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Hello!!

Its a repairable one , the problem must be in color board or DMD board you gotta check it!!!

Posted on Jul 08, 2008

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Looks like the crt board is having some problem

Posted on Jul 08, 2008

  • Ginko
    Ginko Jul 08, 2008

    If the tv goes from color to black and white it is likely that you have a problem with the crt board inside the tv. If additionally the picture is blurred, it is possible that there is also a problem with the lamps.

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