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

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

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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How old is this TV set? If it is less then a year, call an authorized Hitachi repair center. Your problem could be a Display driver board, or possibly the plasma panel itself. There is a slight possibility that the digital board could have a fault in it as well, but highly unlikely. On sets like this, this is why you want to call out an Authorized repair center, as they have replacement boards to check. If you buy a board, and it turns out not to be that board, you are stuck with it. If the panel is bad, you will probably buy a new set, as the cost of the plasma panel is more then the entire TV set. It is impossible to diagnose a TV set like this without the boards. Good Luck

Posted on Aug 13, 2007

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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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SOURCE: thin red line on Hitachi plasma

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

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SOURCE: thin red line on Hitachi plasma

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

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a7dc1d0.jpg

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