panasonic TH-42PX80U 2 BLINK CODE?

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  • mattstolte
    Badcaps Veteran
    • Dec 2013
    • 612
    • usa

    #1

    panasonic TH-42PX80U 2 BLINK CODE?

    Anybody know what the 2 blink code is for this model? My buddy said he accidently stuck his atenna wire in the tv where the main board is so it started sparking. Never worked since. I took it apart but i dont see anywhere on the power supply to measurre the readings, theres no board markings 5v,12v, etc....
  • newtothis
    Badcaps Legend
    • Mar 2013
    • 1556
    • england

    #2
    Re: panasonic TH-42PX80U 2 BLINK CODE?

    Photo of the back of set please so can see boards and layout.

    Check Pin 1 on P7 connector on P-Board, What V do you get?

    Comment

    • mattstolte
      Badcaps Veteran
      • Dec 2013
      • 612
      • usa

      #3
      Re: panasonic TH-42PX80U 2 BLINK CODE?



      Attached Files

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      • mattstolte
        Badcaps Veteran
        • Dec 2013
        • 612
        • usa

        #4
        Re: panasonic TH-42PX80U 2 BLINK CODE?

        Also i have no voltage on that pin #1

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        • newtothis
          Badcaps Legend
          • Mar 2013
          • 1556
          • england

          #5
          Re: panasonic TH-42PX80U 2 BLINK CODE?

          Ok check resistance from that pin to ground (Chassis)

          Comment

          • tom66
            EVs Rule
            • Apr 2011
            • 32560
            • UK

            #6
            Re: panasonic TH-42PX80U 2 BLINK CODE?

            SOS2 = 15V fault.

            Generally 15V fault tends to trigger 10 blinks first. 2 blinks can occur if 15V collapses after set runs.

            This is usually triggered by Vsus fault (shorted/low Vsus, or fault in thermal fuse detection block.) Check Vsus, if it rises then falls, or never rises at all, this can be indicative of this fault.
            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.

            Comment

            • newtothis
              Badcaps Legend
              • Mar 2013
              • 1556
              • england

              #7
              Re: panasonic TH-42PX80U 2 BLINK CODE?

              Originally posted by tom66
              SOS2 = 15V fault.

              Generally 15V fault tends to trigger 10 blinks first. 2 blinks can occur if 15V collapses after set runs.

              This is usually triggered by Vsus fault (shorted/low Vsus, or fault in thermal fuse detection block.) Check Vsus, if it rises then falls, or never rises at all, this can be indicative of this fault.
              No doubt would have seen a short via pin #1 so would of got him to pull the connectors one by one until it removes short.

              Done a few of these already Tom? lol

              Comment

              • mattstolte
                Badcaps Veteran
                • Dec 2013
                • 612
                • usa

                #8
                Re: panasonic TH-42PX80U 2 BLINK CODE?

                Tom sorry but all that stuff I don't understand.... New to this should I unplug some connections until I get a voltage on that pin? Also being all my friend did was touch the attena to the main board by accident

                Comment

                • newtothis
                  Badcaps Legend
                  • Mar 2013
                  • 1556
                  • england

                  #9
                  Re: panasonic TH-42PX80U 2 BLINK CODE?

                  Leave connections in place.

                  Set meter to 200 Ohms
                  Black Pin to chassis (Screw will do)
                  Red to Pin 1

                  What does meter read?

                  Comment

                  • mattstolte
                    Badcaps Veteran
                    • Dec 2013
                    • 612
                    • usa

                    #10
                    Re: panasonic TH-42PX80U 2 BLINK CODE?

                    I had to set it to 2000 ohms and it says 940,

                    Comment

                    • newtothis
                      Badcaps Legend
                      • Mar 2013
                      • 1556
                      • england

                      #11
                      Re: panasonic TH-42PX80U 2 BLINK CODE?

                      clear pic of this area from above please
                      Attached Files

                      Comment

                      • mattstolte
                        Badcaps Veteran
                        • Dec 2013
                        • 612
                        • usa

                        #12
                        Re: panasonic TH-42PX80U 2 BLINK CODE?

                        Attached Files

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                        • newtothis
                          Badcaps Legend
                          • Mar 2013
                          • 1556
                          • england

                          #13
                          Re: panasonic TH-42PX80U 2 BLINK CODE?

                          I need a closer pic of the area I highlighted

                          Comment

                          • mattstolte
                            Badcaps Veteran
                            • Dec 2013
                            • 612
                            • usa

                            #14
                            Re: panasonic TH-42PX80U 2 BLINK CODE?

                            Attached Files

                            Comment

                            • mattstolte
                              Badcaps Veteran
                              • Dec 2013
                              • 612
                              • usa

                              #15
                              Re: panasonic TH-42PX80U 2 BLINK CODE?

                              Anyhelp?

                              Comment

                              • mattstolte
                                Badcaps Veteran
                                • Dec 2013
                                • 612
                                • usa

                                #16
                                Re: panasonic TH-42PX80U 2 BLINK CODE?

                                ?

                                Comment

                                • tom66
                                  EVs Rule
                                  • Apr 2011
                                  • 32560
                                  • UK

                                  #17
                                  Re: panasonic TH-42PX80U 2 BLINK CODE?

                                  I gave you info. Generally you're expected to have reasonable technical knowledge if you do a lot of TV's like yourself. So when I ask you to check VSUS, maybe do a little searching or look for the service manual before declaring that you can't do it.
                                  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.

                                  Comment

                                  • newtothis
                                    Badcaps Legend
                                    • Mar 2013
                                    • 1556
                                    • england

                                    #18
                                    Re: panasonic TH-42PX80U 2 BLINK CODE?

                                    You should be looking around the area I had you zoom in on, You will see an adjuster pot there stating VSUS.... You want to find a test point for it

                                    Comment

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