Siemens Micromaster 420 0.75kW Inverter Drive

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  • luizdiefenbach
    New Member
    • Jun 2015
    • 4
    • Brasil

    #1

    Siemens Micromaster 420 0.75kW Inverter Drive

    Hello I am trying to repair a Siemens drive.
    On visual inspection i found a missing component
    The main board MCU crystal is missing, does anyone know the frequency of this crystal?

    thanks

    Click image for larger version

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  • R_J
    Badcaps Legend
    • Jun 2012
    • 9535
    • Canada

    #2
    The ic seems to be a Siemens H1746RUNS3, I found photos but can't read the xtal

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    • stj
      Great Sage 齊天大聖
      • Dec 2009
      • 31015
      • Albion

      #3
      got photo links?

      Comment

      • luizdiefenbach
        New Member
        • Jun 2015
        • 4
        • Brasil

        #4
        Its a 16Mhz crystal! 😁

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