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Panasonic TX-P42G20B display problem (no video)

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    Panasonic TX-P42G20B display problem (no video)

    Hello
    I hope someone can help me with this problem in time to see the rest of the World Cup.
    My tv switches on as normal with no blink codes but a message no video appears on the screen.I hear sound and can use all menus but there is no picture. I have tried retuning and can find all stations with signal strength 10. Av button is set to tv. When I select Hdmi I can stream to the TV as normal from an Ipad and an Apple TV box and get normal picture and sound.
    Anyone know what is going on please.

    #2
    Re: Panasonic TX-P42G20B display problem (no video)

    Sounds like it is not working with digital TV.
    I presume you've checked all channels -- none working?
    TV guide works, does red button feature work?

    Try a full factory reset. Hold the VOL/CH- button on the TV and press MENU once on the remote. A diagnostics screen should appear. Turn the TV off at the wall, and turn it back on again. It will behave as a new TV, all settings reset.
    Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
    For service manual, schematic, boardview (board view), datasheet, cad - use our search.

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      #3
      Re: Panasonic TX-P42G20B display problem (no video)

      Hello Tom
      Thanks for the prompt reply. All channels are without a picture. As suggested I tried a factory reset but still no picture. Self check listed everything as ok. Red button works fine. Guide works fine
      Any other ideas please.
      Dave
      Last edited by Davros; 06-14-2014, 01:57 PM. Reason: LEFT SOMETHING OUT

      Comment


        #4
        Re: Panasonic TX-P42G20B display problem (no video)

        Aerial plugged in correctly - check plug - socket on wall etc
        Has the tv been moved - check for stuck buttons on the remote.


        Later
        Try this?

        http://www.avforums.com/threads/pana...#post-19820933
        Last edited by selldoor; 06-15-2014, 04:26 AM.
        Please upload pictures using attachment function when ask for help on the repair
        http://www.badcaps.net/forum/showthread.php?t=39740

        Comment


          #5
          Re: Panasonic TX-P42G20B display problem (no video)

          Originally posted by Davros View Post
          Hello
          I hope someone can help me with this problem in time to see the rest of the World Cup.
          My tv switches on as normal with no blink codes but a message no video appears on the screen.I hear sound and can use all menus but there is no picture. I have tried retuning and can find all stations with signal strength 10. Av button is set to tv. When I select Hdmi I can stream to the TV as normal from an Ipad and an Apple TV box and get normal picture and sound.
          Anyone know what is going on please.
          Overstrength signals can also produce no reception. had this happen to me requiring an attenuator.

          Strength may be 10, what's Signal Quality showing?

          Comment


            #6
            Re: Panasonic TX-P42G20B display problem (no video)

            Thanks for the posts selldoor and TW I will try them when I get home. Unfortunately my phone and broadband has now gone down and BT say they will not be coming to repair it until the 19th so I may not be able to reply for a few days. Pleas keep the suggestions coming.I have tried another tv on the wall socket and that plays ok so it seems the signal is ok. For some reason the Freeview is not displaying correctly on the Panasonic although streaming through hdmi displays perfectly.

            Dave

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