Question about Panasonic TH-42PD50U 42 in. Plasma EDTV

8 Answers

Black bars across top and bottom of screen on HD programs

This happened suddenly a couple days ago and I can't figure out why. I first tried to adjust the aspect from the remote and nothing happened (it's as if the aspect button is no longer working). Then I tried to adjust the zoom settings though the menu > video and that bar is not active (it's gray and I can do anything with it). I'm stuck. Does anyone have any thoughts on how to fix this?

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  • daveje Nov 04, 2008

    The picture is fine if I play a DVD or if I turn on a non-HD channel. It's only on HD stuff that I have the problem.


  • daveje Nov 04, 2008

    Jamie,

    The HD source is my comcast cable box. I didn't touch the settings (nor would I even know how to) before this problem started. Do you have any suggestions about where I can look to check the settings and, if there is a prolbem, how to fix them?


  • daveje Nov 04, 2008

    Why is it that I can't see all the solutions/suggestions that have been offered (only teh most recent)? I'd like to have more than one to try if possible. Thanks

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Hi!!!

check the cable or replaced it!!!!

Posted on Nov 04, 2008

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Reset it press power button for 10 seconds then try.
also change resolution if porblem occurs.

Posted on Nov 04, 2008

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Its all about the ratio of your tv to be adjusted
for the procedure check out this links.

Posted on Nov 04, 2008

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In your case the aspect ratio of the picture has changed from 16:9 to 4:3 and that is why you are getting the black bars. Since you said that the remote is not working you will find buttons in the TV itself to access the menu and change the setting.

Thanks

Posted on Nov 04, 2008

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There is nothing wrong with your Plasma. Check the HD video source settings.
From where are you getting the HD video?

Posted on Nov 04, 2008

  • Jaime Hernandez Nov 04, 2008

    Could you please provide the comcast cable box model number?

    Please describe how is connected from the cable box to the plasma.

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Try to play DVD in the tv and check if the black bars ,if it does then this could the problem with input signal . If a menu item is greyed out there are a variety of reasons why it could be. The reasons include: the current input, the incoming resolution, and other menu items being enabled or disabled prevents the item from being selectable....


Good luck....

Posted on Nov 04, 2008

  • Anand Kumar
    Anand Kumar Nov 04, 2008

    Try this :
    To remove the black bars from the top and bottom press the FORMAT
    button on the remote. The option available to remove the horizontal
    bars is Zoom.


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Part of your color tube and the circuit board that controls the menu may be messed up from an electrical short. You will need a professional to check it out and to see if it can get repaired. The parts where the lines are may have been burned out and you may need a new color tube.

Posted on Nov 04, 2008

  • Jazz Boyce
    Jazz Boyce Nov 04, 2008

    Try doing a full tv reset by leaving it unplugged overnight and plugging it back up and see if the lines go away. If they do not, you will need to get a professional to check it for you.

  • Jazz Boyce
    Jazz Boyce Nov 04, 2008

    Here's what you do: try unplugging the cable box from its power socket and unplug it from the back of your tv. Let it sit for about ten minutes and plug it back up and see if it works then. If it does not, you can do one of two things: you can call comcast and ask them to send you a different and stronger signal, or you can call them and ask for a different cable cord because yours may have a short.

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Is this horizontal bars was only on the same spot when you turn on the tv..?

first try to adjust again the menu or try to reset the setting as well.

Posted on Nov 04, 2008

  • micromaster
    micromaster Nov 04, 2008

    Try plugging the power cord into a different electrical outlet and/or surge protector.

    NOTE: These
    symptoms can occur if the wall outlet is improperly wired or not
    producing the proper voltage. If using a surge protector or extension
    cord, it also could be faulty.


  • micromaster
    micromaster Nov 05, 2008

    check all the connections. its better to remove for a while the connection and put it back again. will see what happen. sometimes this problem are only with the wire connection.




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