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Panasonic th-58pz700u 1 blink, help plz

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    #1

    Panasonic th-58pz700u 1 blink, help plz

    I have a 2008 th-58pz700u plasma that I love. It recently decided to turn on and then turns off after about 5 seconds. If I unplug the power cord from the wall and plug back in the TV will turn on automatically and then turn off after 5 seconds. The front LED power light blinks 1 then 3 seconds later blinks again 1 time. I replaced the DG board with a working DG board and I get the same symptoms. If I press the front power button for 10 seconds and power it on, it does the same thing, instead flashes 12 times. So I replaced the H board. This is all according to the service manual.

    Was curious if anyone has any other options you would recommend. I did order a new D board as that will be the next board I am going to replace.

    Thanks much for any help you can provide.

    Todd
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    #2
    Re: Panasonic th-58pz700u 1 blink, help plz

    The troubleshooting diagram actually doesnt make sense to me. I attached the diagram.

    I unplugged the d3 connector from the D board. I plug in the tv and it automatically turns on, but there is no power light. The part I dont get is the second part of the question. "No raster with SC and SS LEDS on"? I search high and low on the two boards and I dont see any led lights, which I assume would be pretty obvious. So YES the tv turns on automatically, but NO leds on the SC and SS board are on. So do I goto to the Yes or No part of the diagram. If I choose Yes, well I already replaced the DG board. If I say no, replace the D board, which is on order right now.

    To me the question is asked very oddly.

    Todd
    Attached Files
    Last edited by woodie21516; 05-10-2018, 01:12 PM.

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      #3
      Re: Panasonic th-58pz700u 1 blink, help plz

      I just wanted to chime in and let everyone know that I sent Todd over for some advice after he purchased the replacement DG board from me and was unsuccessful with the repair. The H board came from elsewhere but attached is a picture of the TV I had here that the DG board was removed from. It had only local screen defects on the upper portion and I ran the TV for multiple hours prior to selling the boards. The D board came from this as well. Hopefully some of the plasma guru's have an idea as I was confident from the flow diagram that the DG board was going to take care of it.

      Thanks,

      Aaron
      Attached Files

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        #4
        Re: Panasonic th-58pz700u 1 blink, help plz

        Just wanted to let everyone know that the problem was remedied with the replacement of the D board. All's well that ends well.

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          #5
          Re: Panasonic th-58pz700u 1 blink, help plz

          Another D board or the one you sold?
          I only repair Panasonic plasma tv's! Currently owning a TX-P55VT50 and still searching for a ZT60!

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            #6
            Re: Panasonic th-58pz700u 1 blink, help plz

            The one he bought from me. His original DG board as well as the one I sold him were both functional.

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