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  1. MTG_IT_AV TECH

    Replacing a 617A56

    @budbryd Everything worked exactly as you said. You made me look like a rockstar and I walked in there with confidence. Removed the cassette, replaced the internal extension board(toolless) and popped it back in, and turned the system on and all settings were retained and no more buzzing on the...
  2. MTG_IT_AV TECH

    Replacing a 617A56

    @budbyrd. Thank you for your quick response. That should make things easier. I'll let you know how it goes!
  3. MTG_IT_AV TECH

    Replacing a 617A56

    Greetings all, Have a 617A56 board that is causing a humming sound across ext on that board. Tried moving extension to isolate, moved board to another port and all troubleshooting leads to bad board. Ordered a replacement 617A56. Before I break anything further, I don’t recall if I can just...

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