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.
    Tags: None
    • 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
                      • 9607
                      • 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
                                                          • 4803
                                                          • 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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