Question about Hitachi 42EDT41 42 in. HD-Ready Plasma Television

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Green dots I have the same problem as other posters. I have green dots dancing throughout my picture til the tv warms up. Many then disappear but still some remain all of the time. I had a tech come to my house and I gave him the info from this site. He reset the voltage on the board as suggested and now it is worse. This tv is only 3 yrs old. It appears that many people are having the same problem. Any ideas?

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  • twmckinn Aug 13, 2008

    I have received a solution that I do not beleive will help. I have green dots dancing through my picture when the images move. After the unit has been on for a while it is somewhat less however still noticable. The tech that came to my house reset the voltage on the circuit boards and now it is no better if not worse. Any suggestions?

  • twmckinn Aug 13, 2008

    I did have the voltages checked and the tv has been moved.

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From Shuttle83 - There are many factors that can cause this to occur, First check your A/V cables, then check to see if moving the TV to another location in the room helps. Then the final thing is to have the TV checked to see if your screen bias voltages need to be readjusted (this happens sometimes), this the VScan value / voltage can be adjusted.

if the tv is still under warranty please use the service because getting it repaired if the work around did not work may cost you.

Posted on Aug 13, 2008

  • marlon john madrid
    marlon john madrid Aug 13, 2008

    if that is the case the please check the warranty status of your unit because this will most defenitely need repair. my apologies to what have happened to the appliance

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A cold solder or bad electrolytic capacitor may cause some isue like this. but better leave as is for now.

Posted on Aug 12, 2008

  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos Aug 12, 2008

    Take care of:

    Keep the ventilation openings clear.

    Do not put TV near appliances that create magnetic fields.

    If your TV is suddenly moved from a cold to a warm place, unplug the power cord for at least two hours, so moisture that may have formed inside the unit can dry completely.







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