Question about Panasonic TH-42PX25U/P 42 in. Plasma HDTV

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Panasonic plasma will not scroll through inputs but stays on pc in put only.

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I have seen this happen in several panasonic plasmas due to logic control board failure. However lets try a reset. Turn off the tv, unplug from the power supply and wait for 2 min. Then plug it back in press and hold the power button for ten seconds and then fire up the tv. See if the issue is resolved and let me know.

Sai.

Posted on May 27, 2010

  • 4 more comments 
  • Eric Bartel May 27, 2010

    Thanks for your reply. I tried this and it does not change anything. I also took it to a repair shop where they told me the problem was the PF board and they wanted $500.00 to fix it. I said, no thanks and ordered the part and installed it myself. I think this fixed one of multiple problems but this is what got me to where I am today... I can use the TV in PC input mode and it acts like it switches inputs but it doesn't. I would like to know which board I need to replace next. Can you help me figure that out?

  • eagle338
    eagle338 May 27, 2010

    It is the logic control board that you have to replace. Costs about 150-200 bucks.You can try getting the part from http://parts.pioneerelectronics.com/cust...
    so that you can be sure that you get the original replacement and a 1yr warranty on the part that you have replaced.

  • Eric Bartel May 27, 2010

    Are you sure that is the correct URL? That is for pioneer and not panasonic.

  • eagle338
    eagle338 May 27, 2010
  • Eric Bartel May 27, 2010

    Thank you. I will try to replace it and get back to you.

  • eagle338
    eagle338 May 27, 2010

    Surething. Good luck!

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Panasonic didn't make it a simple matter to connect a computer to this TV since they didn't include a VGA input connector. You can still do it, but it will require some adapters or changes to your PC.

If you're using a laptop, you have two options. If the laptop offers an s-video output, you can use a suitable cable from there to one of the set's s-video inputs. If there's no s-video output, the other option is to purchase a VGA-to-component breakout cable, available at a number of online vendors (search with Google). This cable has the VGA connector to the computer on one end, and 3 RCA plugs at the other end. You would use this cable into one of the set's component video inputs.

With a desktop PC, you can still use one of those two options. In addition, there may be a DVI video output connector available as well. This is not common on computers with integrated video, but is frequently found on many newer expansion video cards. If your computer has this connector (or you install a new video card with one), you can use a DVI-to-HDMI adapter and connect an HDMI cable to one of the set's HDMI inputs. Many video cards with DVI outputs include one of these adapters already.

So while it's not going to be simple, it's certainly possible to connect your PC to this TV.

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