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  1. #1
    Does this help?

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  2. #2
    Quote Originally Posted by Robin Hewitt View Post
    Does this help?

    Click image for larger version. 

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    Hi Robin, I have a Roland PNC-3000 machine, and I am working on trouble shooting some issues with it. Currently, the motor PCB is not receiving the necessary 12V supply voltage. When I supply the 12V using an external supply, the motor can be switched on, but I have been unable to figure out why the motor PCB isn't getting 12V. Another issue I am having is the spindle speed display is not working. Could you please send me a picture of the relevant circuit diagrams? Are the manuals and circuit diagrams available online somewhere?

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