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power supply question


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  • power supply question


    I am now testing the power supply form the secondary console (after problems on a lane) and noticed the outputs from the 120V, 18V and 28V cables are all 2-3V higher then they should be, could this be a problem or is this in the range of acceptable errors?

    Also what is pressing the red button supposed to do? It just loweres the voltate from the 28V(30V with this one) to around 20V? Isnt it supposed to cut the Voltage completly? broken?

    Thanks for your wise knowledge

  • #2
    It is normally higher because the voltage will be closer to what is labeled when under load at the use side.This is not unlike an A2 having 2 outputs on the secondary side of the pinsetter transformer. The managers control circuit activating the motor start relay is typically 28-30 volts AC because the original circuit had to go all the way to the front desk switches and back to turn on the machine, and the mask light circuit was closer to 24 volts ac. - read close to the machine for mask lights.
    So the secondary console output for the CCD box or Vector camera will be a little higher because of the voltage drop at a certain wire length.
    This post is not an unpaid promotion of my business.


    • #3
      Good to know, thank you!


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