Home Forums Product Discussion & Questions BeoLab BL3500 and the MCL/PL connector

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  • #58489
    Madskp
    GOLD Member
      • Denmark

      I think I Have SW1.0 in one that I had not had luck connecting to anything

      Sidenote: the LCS9000 is used with option 2, only other option settable was 4 but no sound, no reaction on opt 5 and 6

      I think when I original was testing my BL3500 with SW1.0 I tried to set it to option 6, but as you noted it will only output sound in option 2 when connected via MCL. So setting it to option 2, and now it is playing fine, so thank you for mentioning this 🙂

      #58492
      Madskp
      GOLD Member
        • Denmark

        And now that I look in the MCL handbook I can also see that it is right there

        Skærmbillede 2024-08-20 kl. 19.02.30

        I have just become to used to option settings for Masterlink stuff.

        #58493
        Klaus Stoetzel
        BRONZE Member

          Good ! Now lets work on fixing the 5V injection as well 😉

          #58517
          Klaus Stoetzel
          BRONZE Member

            Interesting update .. here we go, let me fully quote Curious-dreamer:

            pic not loading, will try tomorrow from my PC

            puc shows l/r on 3/5, gnd audio+5v on 2, 5v on 4

            Also, fun fact, the guy that sold me the soundbar has wired the left and right channels backwards… and I just found out now after 8 years or something. So thank you for having made check this out haha

            The pinout in the drawing is the correct one though, so if you get a powerlink connector that you can solder you should be able to make your own cable. Mind that the soundbar turns on when it’s FIRST connected to the AC power and then the USB +5V is turned on (and kept on). I recommend putting a usb switch between the usb power adapter and the cable towards the soundbar

            Other thing worth noting is that the display of the soundbar will not turn on, it’ll just act as a “dumb” soundbar

            Hope this helps!

             

            Interesting to me its a mk2 (as per the gnd on 2) and the no display / dumb soundbar comment, I would believe everybody fiddling around with the system would expect something on the display, could also be a modded unit as the usual two red LEDs should be visible all the time

            #58518
            Madskp
            GOLD Member
              • Denmark

              puc shows l/r on 3/5, gnd audio+5v on 2, 5v on 4

              That sound like a normal powerlink pinout

              Interesting to me its a mk2 (as per the gnd on 2)

              Yes, but that does not fit with the picture that Matador got from him. That clearly showed and MCL engraving in the metal underneath the DIN connector, and the label said SW1.1 which is clearly a MK1. Of course some part could have been swapped which could also explain the pin2 GND.

              I would believe everybody fiddling around with the system would expect something on the display

              In my testing of the Beolink wireless W1 connected to the DIN connector on a BL3500 MK2 the display was not showing any source. It did however show volume change and the LED was on as seen on the picture in this post https://forum.beoworld.org/forums/topic/bl3500-and-the-mcl-pl-connector/page/3/#post-44594

              could also be a modded unit as the usual two red LEDs should be visible all the time

              Actually one of the LED’s is the TIMER on indication, so that does not nessecarely have to be on.

               

              Based on this I would very much think that the BL3500 mentioned here is modded somehow. Else any powerlink equipped B&O audio source should be able to turn it on.

              #58519
              Klaus Stoetzel
              BRONZE Member

                Yes, that would be my suspicion as well .. the normal powerlink power-on via Pin4 I bet got tried a thousand times 😉

                #58520
                Klaus Stoetzel
                BRONZE Member

                  Ok, just getting more details from curious-dreamer

                  I see… yeah, to make the display work you would probably need more tweaking. But honestly who cares, I’m interested in the music not a 90s clock 😅

                  I can confirm, all looks black and “off” from the front when music is playing or the soundbar is “on” and ready to play

                  No, my serial starts with 11 And it’s a 1993 unit running SW 1.1 according to the back sticker

                   

                  Okay, so we have a mk1 serial with gnd on 2, no display and 5v injection working on Pin4, so yes, seems modded

                  I am asking curious-dreamer to see if he can get the modding details from the seller of his unit

                   

                  #58521
                  Klaus Stoetzel
                  BRONZE Member

                    Curios-dreamer is asking me to try his cable or point him to some post where the standard Powerlink 5v injection on pin4 was tested to not work, I am sure this is somewhere on this or the older forum, anyone can help me out please?

                    #58522
                    Klaus Stoetzel
                    BRONZE Member

                      Pic & drawing frm curious-dreamer

                      BL3500

                      #58525
                      Madskp
                      GOLD Member
                        • Denmark

                        Curios-dreamer is asking me to try his cable or point him to some post where the standard Powerlink 5v injection on pin4 was tested to not work, I am sure this is somewhere on this or the older forum, anyone can help me out please?

                        I am not sure if there has been a post documenting that. I just wen’t through the long thread about the 1611 converter where BL3500 also was a big part of, and could see that it was other pins that power injection was done on based on the original info from Curious dreamer.

                        I can try it on some of my BL3500’s to see how they react. I should just be a matter of connecting them with a Powerlink cable to my Beosound Ouverture.

                        Pic & drawing frm curious-dreamer

                        Great to have it confirmed in a drawing so there is not misunderstanding of the naming of pin numbers 🙂

                         

                        #58526
                        Klaus Stoetzel
                        BRONZE Member

                          Yes, happy to have gotten the details and possibly getting to the bottom of it

                          If you could test the 5V injection on Pin4 I would very much appreciate

                          While I have been reviewing things over and over again this morning I found this pretty recent update fom PeterPan on 3500 connectivity, interestingly its seems that this would be a special “combined” cable for mk1 and mk2 and correspond with your findings that the L/R audio lines could be reversed, see yourself, file name says it all -> For alle Beolab 3500 .. interesting …

                           

                          2020-11-08_223045_For_alle_BeoLab_3500

                           

                           

                           

                          #58527
                          Guy
                          Moderator
                            • Warwickshire, UK

                            Following with interest.  Just for the avoidance of confusion, the following shows the correct 7-pin DIN pin numbering, viewed from the solder side of a DIN plug:

                            din socket

                            #58528
                            Klaus Stoetzel
                            BRONZE Member

                              yes, thanks, his drawing is from the other side tho

                              #58529
                              Klaus Stoetzel
                              BRONZE Member

                                Mads, like a year ago (in this thread) you tested some variations of +5v on Pin4 (GND to 2 and/or 7) on your mk2 but seems you looked at the powerup which did not happen, if you could redo that testing with audio applied too see if it will get us some music finally it would be great, just to confirm to curious-dreamer that we indeed tried his setup. Thx

                                #58530
                                Madskp
                                GOLD Member
                                  • Denmark

                                  Mads, like a year ago (in this thread) you tested some variations of +5v on Pin4 (GND to 2 and/or 7) on your mk2 but seems you looked at the powerup which did not happen

                                  I actually looks like I only mentioned pin 7 as ground for some reason https://forum.beoworld.org/forums/topic/bl3500-and-the-mcl-pl-connector/page/4/#post-44595

                                  if you could redo that testing with audio applied too see if it will get us some music finally it would be great, just to confirm to curious-dreamer that we indeed tried his setup

                                  If I try with a Powerlink cable from my BS Ouverture this will also be part of it + the pin 2 as ground

                                   

                                  #58531
                                  Madskp
                                  GOLD Member
                                    • Denmark

                                    hmm It looks like I already tried that in this post https://forum.beoworld.org/forums/topic/bl3500-and-the-mcl-pl-connector/page/4/#post-44601

                                    So much for long term memory 😉

                                    But I will gladly try it again just to verify

                                    #58532
                                    Guy
                                    Moderator
                                      • Warwickshire, UK

                                      @madskp when you re-do the test can you clarify the SW version of the BL3500 that you use just in case it only works with a particular SW. I can try with my Mk1 SW2.0 if required.

                                      #58533
                                      Madskp
                                      GOLD Member
                                        • Denmark

                                        @madskp when you re-do the test can you clarify the SW version of the BL3500 that you use just in case it only works with a particular SW. I can try with my Mk1 SW2.0 if required.

                                        I will do. And I can try on both SW 1.0, 1.2, 2.0 and 3.1

                                        #58536
                                        Guy
                                        Moderator
                                          • Warwickshire, UK

                                          I have just connected my BC2300 to my SW2.0 BL3500 by powerlink, and it’s behaving pretty much as if connected by ML.  I can’t get it to trigger from the BC2300.  I have tried L.OPT 0, 2 and 6 to no avail.

                                          One strange observation – when I connected the BC2300 the time appeared in the BL3500 display.  The BC2300 that I am using does not have a clock/timer, and I cannot adjust the BL3500 clock to show the correct time.

                                          #58537
                                          Madskp
                                          GOLD Member
                                            • Denmark

                                            I have just connected my BC2300 to my SW2.0 BL3500 by powerlink, and it’s behaving pretty much as if connected by ML.  I can’t get it to trigger from the BC2300.  I have tried L.OPT 0, 2 and 6 to no avail.

                                            Do you also get sound in this setup? The beahaviour you see control wise is because the data signal is connected the same was as if you were using a ML-MCL converter to convert from powerlink to MCL

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