DVR not booting, stuck on logo screen (Navaio NAV-C08SE)

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  • Dannyx
    CertifiedAxhole
    • Aug 2016
    • 3912
    • Romania
    #1

    DVR not booting, stuck on logo screen (Navaio NAV-C08SE)

    Good day folks. Not sure whether someone will actually be able to help me, but another man's opinion never hurts. The issue is "simple" got this piece of junk DVR which doesn't boot - it just gets stuck on the logo screen. Mine goes by the brand name "Navaio", although I'm sure it's just generic and other DVRs use this exact same board, especially since I've seen that H.264 splash screen before. I could not find anything on this particular model, hence my low expectations here as well, though perhaps by looking at the board, someone will go "oh, this looks similar to *this* one - try it"....perhaps :| I see a UART connector on the board, but I don't know what to do with it and IF it can be used for this purpose at all. The main issue at the moment is obtaining something that can be written to the thing...anything Cheers.
    Attached Files
    Last edited by Dannyx; 06-28-2017, 11:43 AM. Reason: Added Photo
    Wattevah...
    Tags: None
    • dick_barton
      Badcaps Legend
      • Aug 2015
      • 6643
      • Wales
      #2
      Re: DVR not booting, stuck on logo screen (Navaio NAV-C08SE)

      There appears to be a couple of step down converters on one of the boards, an MP1482DS and the other one I can't read the number but may be worth checking the output voltages of each. There are also some standard 3 pin regulators on the boards that do have voltage test points. Have you checked those.
      Last edited by dick_barton; 06-28-2017, 03:44 PM.
      Willing to help but I'm no expert.

        Comment

        • goontron
          5000!
          • Dec 2011
          • 4108
          • US
          #3
          Re: DVR not booting, stuck on logo screen (Navaio NAV-C08SE)

          Have you tried a different PSU?
          Things I've fixed: anything from semis to crappy Chinese $2 radios, and now an IoT Dildo....

          "Dude, this is Wyoming, i hopped on and sent 'er. No fucking around." -- Me

          Excuse me while i do something dangerous


          You must have a sad, sad boring life if you hate on people harmlessly enjoying life with an animal costume.

          Sometimes you need to break shit to fix it.... Thats why my lawnmower doesn't have a deadman switch or engine brake anymore

          Follow the white rabbit.

            Comment

            • Dannyx
              CertifiedAxhole
              • Aug 2016
              • 3912
              • Romania
              #4
              Re: DVR not booting, stuck on logo screen (Navaio NAV-C08SE)

              Originally posted by goontron
              Have you tried a different PSU?
              Yes of course Definitely bricked....
              Wattevah...

                Comment

                • goontron
                  5000!
                  • Dec 2011
                  • 4108
                  • US
                  #5
                  Re: DVR not booting, stuck on logo screen (Navaio NAV-C08SE)

                  Is this with no HDD or an HDD connected?

                  EDIT: Is that a CMOS coin cell holder? If so, is it populated?
                  Last edited by goontron; 06-28-2017, 11:44 PM.
                  Things I've fixed: anything from semis to crappy Chinese $2 radios, and now an IoT Dildo....

                  "Dude, this is Wyoming, i hopped on and sent 'er. No fucking around." -- Me

                  Excuse me while i do something dangerous


                  You must have a sad, sad boring life if you hate on people harmlessly enjoying life with an animal costume.

                  Sometimes you need to break shit to fix it.... Thats why my lawnmower doesn't have a deadman switch or engine brake anymore

                  Follow the white rabbit.

                    Comment

                    • Dannyx
                      CertifiedAxhole
                      • Aug 2016
                      • 3912
                      • Romania
                      #6
                      Re: DVR not booting, stuck on logo screen (Navaio NAV-C08SE)

                      Originally posted by goontron
                      Is this with no HDD or an HDD connected?
                      No HDD and nothing else attached to the board. I even removed the board from the case. Also, the pictures show the same board, front and back - there's only one.
                      Wattevah...

                        Comment

                        • goontron
                          5000!
                          • Dec 2011
                          • 4108
                          • US
                          #7
                          Re: DVR not booting, stuck on logo screen (Navaio NAV-C08SE)

                          Many DVRs won't boot with a bad or missing HDD, and some computers wont boot with a missing or dead coin battery. Plug in a FAT formatted HDD and see if it goes.
                          Things I've fixed: anything from semis to crappy Chinese $2 radios, and now an IoT Dildo....

                          "Dude, this is Wyoming, i hopped on and sent 'er. No fucking around." -- Me

                          Excuse me while i do something dangerous


                          You must have a sad, sad boring life if you hate on people harmlessly enjoying life with an animal costume.

                          Sometimes you need to break shit to fix it.... Thats why my lawnmower doesn't have a deadman switch or engine brake anymore

                          Follow the white rabbit.

                            Comment

                            • Dannyx
                              CertifiedAxhole
                              • Aug 2016
                              • 3912
                              • Romania
                              #8
                              Re: DVR not booting, stuck on logo screen (Navaio NAV-C08SE)

                              Originally posted by goontron
                              Many DVRs won't boot with a bad or missing HDD, and some computers wont boot with a missing or dead coin battery. Plug in a FAT formatted HDD and see if it goes.
                              I made another discovery: between the 1v test point and ground there's a short, so it could be the CPU is shorted and the splash screen loads from the EEPROM.
                              Wattevah...

                                Comment

                                • Dannyx
                                  CertifiedAxhole
                                  • Aug 2016
                                  • 3912
                                  • Romania
                                  #9
                                  Re: DVR not booting, stuck on logo screen (Navaio NAV-C08SE)

                                  Although I AM getting 1v on that test point.
                                  Wattevah...

                                    Comment

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