Panasonic TX-L32E5E doesnt turn on.

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  • romisek1990
    Member
    • Jun 2022
    • 11
    • Česka Republika

    #1

    Panasonic TX-L32E5E doesnt turn on.

    Hi all,
    I'm coming to you for advice. On my desk I have this TV that does not turn on. When the TV is plugged into the network and the POWER ON button is pressed, only the red LED is lit.

    I checked all the voltage on the P-BOARD:
    6V - stynd by
    16V
    40v backlight

    I found out that I can't get a voltage of 12V on the T-CON. Power supply 16V to the circuit IC4101 goes, I just do not know if this circuit controls the processor IC8000. Do you happen to know anyone ?

    Thanks for help.
  • romisek1990
    Member
    • Jun 2022
    • 11
    • Česka Republika

    #2
    Re: Panasonic TX-L32E5E doesnt turn on.

    On pin 14 of IC4101 is 5V so it is OK ( no fault ), but I dont have PANEL_VCC_ON and BL_ON why :-( :-( :-(

    Comment

    • dskall
      Badcaps Legend
      • Oct 2016
      • 2905
      • usa

      #3
      Re: Panasonic TX-L32E5E doesnt turn on.

      Some good pictures of boards and connectors would help.
      I assume no responsibility for any stupid suggestions I might post.

      Comment

      • romisek1990
        Member
        • Jun 2022
        • 11
        • Česka Republika

        #4
        Re: Panasonic TX-L32E5E doesnt turn on.

        A- bord is TNPH0992
        P-bord is TNPA5596
        pictures I will supply
        Attached Files

        Comment

        • romisek1990
          Member
          • Jun 2022
          • 11
          • Česka Republika

          #5
          Re: Panasonic TX-L32E5E doesnt turn on.

          Some pictures
          Attached Files

          Comment

          • R_J
            Badcaps Legend
            • Jun 2012
            • 9514
            • Canada

            #6
            Re: Panasonic TX-L32E5E doesnt turn on.

            Does the power led flash a code?

            Comment

            • dskall
              Badcaps Legend
              • Oct 2016
              • 2905
              • usa

              #7
              Re: Panasonic TX-L32E5E doesnt turn on.

              Is your processor chip intact?
              I assume no responsibility for any stupid suggestions I might post.

              Comment

              • romisek1990
                Member
                • Jun 2022
                • 11
                • Česka Republika

                #8
                Re: Panasonic TX-L32E5E doesnt turn on.

                No only light

                Comment

                • romisek1990
                  Member
                  • Jun 2022
                  • 11
                  • Česka Republika

                  #9
                  Re: Panasonic TX-L32E5E doesnt turn on.

                  procesor is visually fine

                  Comment

                  • dskall
                    Badcaps Legend
                    • Oct 2016
                    • 2905
                    • usa

                    #10
                    Re: Panasonic TX-L32E5E doesnt turn on.

                    Does your led come on in standby? Does it blink when you operate remote?
                    I assume no responsibility for any stupid suggestions I might post.

                    Comment

                    • dskall
                      Badcaps Legend
                      • Oct 2016
                      • 2905
                      • usa

                      #11
                      Re: Panasonic TX-L32E5E doesnt turn on.

                      Do you have data sheet for IC4101. Looks like processor enables it. Maybe heat up processor and try and turn tv on.
                      I assume no responsibility for any stupid suggestions I might post.

                      Comment

                      • romisek1990
                        Member
                        • Jun 2022
                        • 11
                        • Česka Republika

                        #12
                        Re: Panasonic TX-L32E5E doesnt turn on.

                        Yes, LED light and blinking on using remote. Firmware problem ? TV doesnt boot system?

                        Comment

                        • romisek1990
                          Member
                          • Jun 2022
                          • 11
                          • Česka Republika

                          #13
                          Re: Panasonic TX-L32E5E doesnt turn on.

                          Is it problem change memory?

                          Comment

                          • romisek1990
                            Member
                            • Jun 2022
                            • 11
                            • Česka Republika

                            #14
                            Re: Panasonic TX-L32E5E doesnt turn on.

                            Hello, I find that on TV is bad ROM memory. Is a problem to exchnage it ?

                            Comment

                            • lotas
                              Badcaps Legend
                              • Jan 2016
                              • 4458
                              • Russia

                              #15
                              Re: Panasonic TX-L32E5E doesnt turn on.

                              Do you have a programmer that can read and write Nand MT29F4G08ABADA?

                              Comment

                              • romisek1990
                                Member
                                • Jun 2022
                                • 11
                                • Česka Republika

                                #16
                                Re: Panasonic TX-L32E5E doesnt turn on.

                                Unfortunately not. When I get someone, how do I know that the memory content is OK?

                                Comment

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