Th-42px80ba

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  • sordids999
    Badcaps Legend
    • May 2013
    • 2149
    • uk

    #1

    Th-42px80ba

    Hi guys just got this plasma 10 red flashes

    Any ideas
  • Alastair E
    Chief Womble
    • Mar 2013
    • 1963
    • U.K.

    #2
    Re: Th-42px80ba

    Try a search--Its been covered recently.....
    TELEFIX

    How PLASMA SCREENS WORK, X-SUS and Y-SUS what they do--
    http://www.irf.com/technical-info/appnotes/an-1088.pdf
    PLEASE DO NOT EMAIL ME PRIVATELY FOR REPAIR ADVICE. QUESTIONS BELONG ON THE FORUM!

    Comment

    • sordids999
      Badcaps Legend
      • May 2013
      • 2149
      • uk

      #3
      Re: Th-42px80ba

      Thanks mate for the reply searched around i cant find much info
      Attached Files

      Comment

      • tom66
        EVs Rule
        • Apr 2011
        • 32560
        • UK

        #4
        Re: Th-42px80ba

        Check PSU 15V. Is it good?
        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

        • sordids999
          Badcaps Legend
          • May 2013
          • 2149
          • uk

          #5
          Re: Th-42px80ba

          Checked all voltages from the schematic p12 p6 p7 p25 no voltages,all i get is a clicking sound on the psu when its turned on

          Comment

          • flocko
            Badcaps Legend
            • Nov 2012
            • 1121
            • uk

            #6
            Re: Th-42px80ba

            Have you checked fuses F401+F402 and Q406 for short on the power board

            Comment

            • sordids999
              Badcaps Legend
              • May 2013
              • 2149
              • uk

              #7
              Re: Th-42px80ba

              Fuses seem ok

              Comment

              • tom66
                EVs Rule
                • Apr 2011
                • 32560
                • UK

                #8
                Re: Th-42px80ba

                Try unplugging SC and SS ribbon cables, does blink code change to 6/7/8 blinks?
                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

                • sordids999
                  Badcaps Legend
                  • May 2013
                  • 2149
                  • uk

                  #9
                  Re: Th-42px80ba

                  disabled both cable ribbons but still getting 10 red blinks
                  Attached Files

                  Comment

                  • tom66
                    EVs Rule
                    • Apr 2011
                    • 32560
                    • UK

                    #10
                    Re: Th-42px80ba

                    OK ribbons back in what's the voltage you get on connector P6 (power board) pin 7,8,9, multimeter black on chassis ground, red on pin.
                    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

                    • sordids999
                      Badcaps Legend
                      • May 2013
                      • 2149
                      • uk

                      #11
                      Re: Th-42px80ba

                      pin 7 2.0 volts
                      pin 8 0.8 volts
                      pin 9 0.8 volts

                      these measurements are when the tv is first turned on but quickly drop to zero after a few minutes

                      Comment

                      • tom66
                        EVs Rule
                        • Apr 2011
                        • 32560
                        • UK

                        #12
                        Re: Th-42px80ba

                        Can you hold the reading on pin 7 as the TV clicks on and off and note any changes in the voltage? Go from unplugged to 10 blink code.
                        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

                        • sordids999
                          Badcaps Legend
                          • May 2013
                          • 2149
                          • uk

                          #13
                          Re: Th-42px80ba

                          pin 7 15.35 volts when the TV is first turned on then drops to 2.35 volts after the clicking sound,then keeps dropping until zero volts

                          Comment

                          • tom66
                            EVs Rule
                            • Apr 2011
                            • 32560
                            • UK

                            #14
                            Re: Th-42px80ba

                            OK, now try pin 1 and hold the reading in the same way.
                            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

                            • sordids999
                              Badcaps Legend
                              • May 2013
                              • 2149
                              • uk

                              #15
                              Re: Th-42px80ba

                              pin 1 1.0 volt then again it drops to zero

                              Comment

                              • tom66
                                EVs Rule
                                • Apr 2011
                                • 32560
                                • UK

                                #16
                                Re: Th-42px80ba

                                OK, now check pin 11 of P25; the PANEL_MAIN_ON. It should turn HIGH for +15V(S) to turn on, which is pin 1 of P6.
                                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

                                • sordids999
                                  Badcaps Legend
                                  • May 2013
                                  • 2149
                                  • uk

                                  #17
                                  Re: Th-42px80ba

                                  Pin 11 of P25 nothing

                                  Comment

                                  • tom66
                                    EVs Rule
                                    • Apr 2011
                                    • 32560
                                    • UK

                                    #18
                                    Re: Th-42px80ba

                                    OK, this is looking like a main board fault.
                                    I've got a PZ70BA right now with a similar problem.
                                    Does set have any fans -- if so do they spin at all?
                                    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

                                    • sordids999
                                      Badcaps Legend
                                      • May 2013
                                      • 2149
                                      • uk

                                      #19
                                      Re: Th-42px80ba

                                      No fans tom

                                      Comment

                                      • sordids999
                                        Badcaps Legend
                                        • May 2013
                                        • 2149
                                        • uk

                                        #20
                                        Re: Th-42px80ba

                                        Ill try and find a replacement board thanks tom

                                        Comment

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