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When the set is turned on the top 4.5" of the screen appears to have a milky white substance covering it. It is somewhat transparent (more opaque, but you the characters behind (beneath it) are hard to discern. This problem increases with each set turn-on. Is the tube shot, or can it be remedied?

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  • searlesjs Jul 07, 2008

    This is not for a projection TV- the affected set is a regular 27". The affected area is 4 - 5 inches and growing.

  • searlesjs Jul 07, 2008

    It is a JVC, Model # AV-27230

  • searlesjs Jul 07, 2008

    Hi Jamie- I've never done this type of repair-would it make more sense to take it to a repair shop?

  • searlesjs Jul 07, 2008

    Hi Jaime- how much do you think these repairs might cost? Thanks,John.

  • searlesjs Jul 07, 2008

    I am interested in an estimate of the cost of the repairs per jaime867. thanks.

  • searlesjs Jul 07, 2008

    The advice was great!

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This could the problem with weak capacitor or the weak picture tube... IT may cost you 50 to 300 $ depending on the problem.....

Posted on Jul 07, 2008

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If you plan on replaceing the parts yourself less than 100, if you take it to a tech the price can go anywhere from 200 to 500

Posted on Jul 07, 2008

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Can you please provide model number of your TV?

Posted on Jul 07, 2008

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  • Jaime Hernandez Jul 07, 2008

    There seems to be a capacitor(s) that are becoming defective nearby the vertical output amplifier.

    The picture tube is fine as this defect is located in a different area of your TV circuitry.

  • Jaime Hernandez Jul 07, 2008

    The parts that need to be replace are label as C424, C425 and C434 and they are located near IC421 with the following makings LA7840 that is mounted on an aluminum heatsink.

    NOTE: Before you do any work if you are planing to, unplug the TV for at least 12 hours to allow the high voltage capacitors to drain their charge.

    Let mek kow if you require further assistance.

  • Jaime Hernandez Jul 07, 2008

    If you have not done this kind of work before is best if you could take it to a repair shop but if they tell you that the CRT(tube) is bad just to charge more, tell them more or less the parts that they will need to replace.

    Good Luck.

  • Jaime Hernandez Jul 07, 2008

    I would say that a fair price to pay for the repair should be about 1/3 of the price of the TV.

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