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  • Black magic support for Video assist with SDI

  • Alex Forsey

    October 22, 2016 at 2:34 pm

    Pardon my ignorance if this is actually a silly question.
    I’ve just bought the black magic video assist monitor and after connecting my sdi cable to sdi connection on monitor it is now stuck. I can’t seem to get the damn cable off the monitor. It doesn’t seem to be screwed on. It just clicked into place and now I can’t get it off.

    Any help would be much appreciated as Black magic support is the worst!


  • Bob Zelin

    October 23, 2016 at 4:39 pm

    I hate to suggest this, but a simple pair of standard plyers, with a little firm pressure should make it twist, and then the same pair of plyers to vertically lift the BNC off the chassis mount connector on the Blackmagic.
    I suspect that the cable you were using does not use Kings, or Canare connectors. Perhaps I am wrong. Cheap BNC cables that are manufactured slightly too small (or too large) – even by a tiny fraction, will cause this problem.

    Bob Zelin

    Bob Zelin
    Rescue 1, Inc.
    [email protected]

  • Alex Forsey

    October 23, 2016 at 8:31 pm

    Thanks for the advice but the cables weren’t cheap at all. Also its not a BNC connection its a Din 1.0/2.3 on the black magic video assist. Turning is not the problem. The problem is the connector spins freely. I’m not even sure whats holding it on. Like I said its just a bad design. I’m really stuck as to what to do apart from aggressively pulling it off, but I’m worried I will damage the monitor. There isn’t even a service centre where I can take it to have it repaired.


  • Jud Archer

    October 24, 2016 at 1:41 pm

    To my knowledge the Din 1.0/2.3 is a “push/pull” mechanism. I don’t think it’s designed to twist or screw off.

  • Alex Forsey

    October 24, 2016 at 3:14 pm

    Thank you Jud.
    My point exactly. It clicked into place when I attached it and cannot remove it now. Unfortunately the push/pull mechanism doesn’t work. I put it down to bad design. Stuck as in how to remove it now.


  • Bob Cole

    February 25, 2017 at 2:12 am

    Just curious: did you ever get an answer to your question? I have the Video Assist, and I have not had this problem… yet.

    Bob C

  • Buck Miller

    February 28, 2018 at 6:44 pm

    Alex, did you ever get a solution to your cable removal problem? and Bob, what brand of cable are you using? I am about to buy the BM Video Assist and I have heard about this problem so I want to be sure I buy the right cable. Thank so much.


  • Bob Cole

    February 28, 2018 at 9:48 pm

    Canare L-2.5CHD 3G/HD-SDI Cable with 1.0/2.3 DIN to BNC Male Connectors

    The DIN end (the thin end that connects to the Video Assist) has a locking mechanism. If you hold the whole thing you can’t pull it out – by design.

    You have to hold just the middle part of the connector and pull straight out.

    Bob C

  • Alex Forsey

    February 28, 2018 at 10:11 pm

    Hi I had to send mine off to have the cable removed. My advice is buy a good quality cable. Black Magic make their own I think. I bought better quality cable and all good now.


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