Marantz SR4003 firmware request

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  • aliougm
    Member
    • Oct 2021
    • 11
    • Taiwan
    #1

    Marantz SR4003 firmware request

    Anyone can help ?
    I need SR4003 firmware to fix my AV set. Does anyone can provide me the latest version of the firmware ? Urge to request.
    Tags: None
    • lotas
      Badcaps Legend
      • Jan 2016
      • 4762
      • Russia
      #2
      Re: Marantz SR4003 firmware request

      Originally posted by aliougm
      Anyone can help ?
      I need SR4003 firmware to fix my AV set. Does anyone can provide me the latest version of the firmware ? Urge to request.
      Firmware what CPU or DSP?

        Comment

        • aliougm
          Member
          • Oct 2021
          • 11
          • Taiwan
          #3
          Re: Marantz SR4003 firmware request

          Hi Lotas,
          I need both of them if you have. Mainly my SR4003 MCU chip is burned. I need replace a new chip and then reload firmware. I realized CPU firmware it works for this MCU chip. Thanks ! ******
          Last edited by SMDFlea; 04-23-2022, 04:05 AM. Reason: Removed personal email address

            Comment

            • lotas
              Badcaps Legend
              • Jan 2016
              • 4762
              • Russia
              #4
              Re: Marantz SR4003 firmware request

              Hello, I only have firmware on the CPU, how to program there is an instruction in the service manual for it.
              Attached Files

                Comment

                • aliougm
                  Member
                  • Oct 2021
                  • 11
                  • Taiwan
                  #5
                  Re: Marantz SR4003 firmware request

                  Hi,IoTas:
                  Appreciate your help, i can not wait to try. Will update you the result soon If it is able to save my AVR

                    Comment

                    • aliougm
                      Member
                      • Oct 2021
                      • 11
                      • Taiwan
                      #6
                      Re: Marantz SR4003 firmware request

                      Hi IoTas:
                      Let you know, finally I updated the firmware successfully after a lot of hard work with new MCU. Thanks got your help again. Without your help I have no way to go. I used a USB to UART adapter to make it happened write this firmware to the MCU without use official updates hardware kit(from Marantz which discontinued product). I post some pictures here. Also share this results to contribute this forum for those who are dealing with AVR MCU.
                      But additional problem is no HDMI no audio. I checked it is Sil9033 HDMI receiver chip is burned. I am working on that waiting for this ne chip arrival.
                      Attached Files

                        Comment

                        • lotas
                          Badcaps Legend
                          • Jan 2016
                          • 4762
                          • Russia
                          #7
                          Re: Marantz SR4003 firmware request

                          Thank you, I hope everything works out for you!

                            Comment

                            • aliougm
                              Member
                              • Oct 2021
                              • 11
                              • Taiwan
                              #8
                              Re: Marantz SR4003 firmware request

                              Hi, IoTAs.
                              May I ask your advice? I’m trying to repair another set SR4003 AVR. “CHECK DSP ROM “ message came out while power on the set. I following the service manual to resolve ring DSP chip and EEPROM but nothing change. Could you have experience on that ?

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