Question about Hitachi 42PD7800 42 in. HD-Ready Plasma Television

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Thin red line on Hitachi plasma

I have a Hitachi 42PD5200 plasma that has developed a thin red line about 4 inches from the left hand side of the screen. There is another one at the extreme edge on the same side but this does not really affect viewing. The line is at the same position as the left hand edge of the picture if you are viewing non widescreen. I have checked all user settings but it is still there. Any suggestions would be appreciated.

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  • Anonymous Jan 15, 2009

    I have the same problem with a 42" hitachi plasma

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If it goes all the way from top to bottom, you have a bad panel. much to expensive to repair

Posted on Aug 10, 2007

  • josh vannoy Aug 22, 2007

    what should I lie, would that be more helpful?

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I have a thin red line that is on the far right of the screen.
It fades in intensity but, flashes affecting the over all picture.

I am looking for a cause, or resolution.
The TV is less than 2yrs old.

Posted on Oct 16, 2008

  • jeffery991 Oct 16, 2008

    How do I find a Dealership near Fort Leavenworth, KS to see if the model has a recall, this TV is only 2yrs old.

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Posted on Jan 02, 2017

sgregg
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SOURCE: thin vertical line on plasma, 4 inches from left hand side

According to what i could find, there is no way to actually SOLVE the problem, this is what i did find; The plasma display panel is lighting the phosphors by the discharge of internal radiation. Depending on the screen contents, in rare cases this may cause vertical stripes to appear because of failure to light. Please note that this is not a malfunction.

Posted on Aug 13, 2007

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I have an LG Plasma Model#DT42PY10X. IT HAS A RED LINE RUNNING DOWN THE RIGHT HAND SIDE AND i WOULD LIKE TO KNOW HOW TO FIX THIS PROBLEM. THANKYOU


Hi:
If the line is less then 2 inches wide this us a good indication of a bad PDP panel (Screen) usually very thin lines indicates a failure in the screen itselg, altho you might try replacing the upper and lower buffer boards to ensure its not the screen. You might want to take off the back and try reseating all connectors leading to the buffers and the Digital board. But in my experience thin lines less then 2 inches usually results in a bad PDP.

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2 Answers

Thin vertical line on plasma, 4 inches from left hand side


According to what i could find, there is no way to actually SOLVE the problem, this is what i did find; The plasma display panel is lighting the phosphors by the discharge of internal radiation. Depending on the screen contents, in rare cases this may cause vertical stripes to appear because of failure to light. Please note that this is not a malfunction.

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Quite some time ago my 42 inch LG plasma developed thin rainbow lines on the left side - now i have 2 1.5 inch vertical lines dividing my screen into 3 sections. can this be fixed ? and at what cost ?


How old it ur tv,ur plasma bulbs might need be replace.Could be the plasma tube it bad because long times use.But ur plasma screen it self could damage kind radiation not worth repairing.
U alway make deal with the repair man come out for estimate.Cost u like u repair with him.
Make sure ask him come out for no cost some charge $40 come out.

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Robjrpena,

Did you find a solution to your "red dot" problem? I'm having the same issue :(

Thanks John

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