Question about JVC AV-56WP74 56" Rear Projection HDTV-Ready Television

2 Answers

I am unsure which model of TV I have. The manuel lists 4 HD 61Z585 HD-52Z585 HD-61Z575 HD-52Z575 The color is messed up. I know it is more than an adjustment. I am sure it needs a new part, just don't know which one.

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  • 7 more comments 
  • msjanuary Nov 11, 2010

    The color simply comes and goes....so I know its some kind of tube going out. I will take a picture. But the picture itself is fine. The color is all jacked up. There is a lot of blue and yellow in it, it seems like its missing some colors.

  • msjanuary Nov 11, 2010

    I have uploaded a photo,

  • msjanuary Nov 11, 2010

    Yep, always have a picture. So when I buy a new "color wheel" module or whatever they call it. Can I replace it myself, like I did the picture tube thing? Which model do I have, does it matter and where is the model number?

  • msjanuary Nov 11, 2010

    I think you were right the first time, it's a color chip thing. I replaced a big bulb thing when the entire set wouldn't come on.

  • msjanuary Nov 11, 2010

    I replaced the lamp.

  • msjanuary Nov 11, 2010

    so it's not my chip drive that has gone bad? just the bulb things. And aren't all of them going to go at some point? do they go in sort of like regular light bulbs?

  • msjanuary Nov 11, 2010

    When I try to google the parts for my TV, they don't show it having these parts. So I am confused. They say they don't have color tubes, they say it has a 3 chip direct drive image light. JVC is the one that developed that. Are you sure we are talking about the same TV?

  • msjanuary Nov 11, 2010

    I would like to get information from a different guy please.

  • msjanuary Nov 11, 2010

    Yes

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2 Answers

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  • 10,515 Answers

Hi,

From the information you have provided the problem is with the convergence. If you have gone into the menu and tried adjusting the focus/conversion after the TV has been on for an hour or more and the focus did not correct the problem the convergence ICs have failed and will need to be replaced along with a few defective resistors. If all the colors are incorrect a open fuse in the voltage supply to the amplifiers is possible. A TV repair company will normally charge about $350 for this repair if the ICs are the problem, less for the fuses. Small TV repair shops will normally charge less than large repair facilities. Convergence failure is a very common problem with this TV set. There could be other parts that are not within factory specs. The only way to be positive of the problem is to have the circuitry diagnosed by someone with the proper TV test equipment to determine what parts that are no longer within specs. A small TV repair shop will many times be less expensive than a large repair facility.

If you wish to repair it yourself and can solder, I will suggest that you to purchase a kit that has all the needed parts and detailed instructions for making the needed repair from :-

.When you get to the site using the link provided, choose TV repair kits, enter in the model number for your TV and select convergence repair kit.


I am sorry, you need to confirm the model number. There should be model number engrossed, might be back of the TV .

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Nov 11, 2010

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  • Master
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What exactly do you mean by color is messed up? If you can just upload an image to imageshack.us and get me the direct link, I can tell you what the problem is.

Posted on Nov 11, 2010

  • 5 more comments 
  • eagle338
    eagle338 Nov 11, 2010

    When the color comes and goes do you still have picture? If yes then these are tell tale signs of the color wheel going bad. Replacing it should resolve your problem.

  • eagle338
    eagle338 Nov 11, 2010

    Sorry about my last response. I just checked and found that this is a CRT rear projection tv.

  • eagle338
    eagle338 Nov 11, 2010

    Well in CRTs this is related to the tubes themselves. Red and Blue are malfunctioning. Which one did you last replace?

  • eagle338
    eagle338 Nov 11, 2010

    Your should replace the blue and red CRT guns to resolve this problem. My first diagnosis was a mistake as I thought that your set was DLP. The CRT guns re the bulb kind of things located at the back of the set and glow when the set is turned on. Each tube will cost you around 100-150$. This is what they look like
    http://members.cox.net/pminer/rearprojec...

  • eagle338
    eagle338 Nov 11, 2010

    Which one? All 3? If yes then are the parts under warranty? Coz the problem clearly indicates that two of the three CRTs are malfunctioning. Blue and red. Only gree is working as it should.

  • eagle338
    eagle338 Nov 11, 2010

    No they not go off together. They are three seperate tubes, and yes then can go off separately. They are not bulbs they are cathode ray tubes.

  • eagle338
    eagle338 Nov 11, 2010

    Ofcourse I am sure. Here. Read the title bar it says 56" Digital CRT PTV
    http://support.jvc.com/consumer/product....

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