Question about Samsung Projection Televisions

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WHITE DOTS ON SCREEN

HAVE 46 INCH SAMSUNG PROJECTION TV, DOTS STARTED WITH A FEW AND GOT MORE AND MORE OVER THE WEEKS. WHAT IS MY PROBLEM?

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  • johnjohn6939 Dec 04, 2008

    the tv is 2 years old and the model# is hls4676sx/xaa, i am trying the solution you gave me now, i will let you know if it works

  • johnjohn6939 Dec 05, 2008

    the hard reset did not work, what is my fix?

  • johnjohn6939 Dec 05, 2008

    the tv is 2 years old, model # is hls4676sx/xaa, the hard reset did not work, what do i do now?

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This is a problem is usually on your Y sustain board. There are two adjustments for this in which an Oscilloscope is nessesary for the alignment. However, there are two other things that can cause this also. This is beyond your abilities if your not a tech. Sorry for the news, It's not a major repair but should be done by a qualified tech.

Posted on Dec 05, 2008

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Hi and welcome to FixYa,

Let's try the easy one first. Check your signal source, your cable or aerial. White dots could be "snow" indicating low incoming TV signal level. The increasing number could be indicative of a worsening cable condition. If it were so, you may want to try and check your aerial or consult your cable TV provider.

Alternately, it can be RFI (radio frequency interference). Pls verify that there are no other electrical devices are plug in to the same outlet/line that could cause this such as wireless phone, lamp dimmers, electronic ballast, radio clock and others.

if it were something else internal to the TV such as a weakening or faulty tuner block/assy, then pls post back the exact model number of the Samsung TV.

Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.

Posted on Dec 04, 2008

  • Louie  Role
    Louie Role Dec 12, 2008

    Hi again,



    Any updates or developments so far?



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Hi, There is sum lousing in the earth wire (green wire) causing your tv screen showing dots.
Check the Green wire before any other operation.
Thanks

Posted on Dec 04, 2008

  • futureloginn
    futureloginn Dec 10, 2008

    sum lousing in the earth wire (green wire) causing your tv screen showing dots


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Sounds like a the Screen is on it's way out. That's normally a sign of burnt out Pixels. If it's under warranty I'd send it back and have it looked at or replaced.

Posted on Dec 04, 2008

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You need to provide details about the model number of your tv .

How old is your tv ?

Have you tried hard reset .

Hard reset : Unplug the TV from power chord for about 30 minutes and plug back the power chord to the tv .

White Dots : It is due to faulty capacitor . The capacitor is not discharging properly.

Posted on Dec 04, 2008

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