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W9803D4 - Arcade claw machine board

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    W9803D4 - Arcade claw machine board

    Looking for the schematics for this board - its an offshoot of some Chinese board but branded for Coast to Coast entertainment

    I think I narrowed down the issue I am having with the claw to a op comparator that drives a photo transistor, this seems to provide the ground used with a DPDT relay

    I am in the process of trying to diagram some of the board, if no one has the schematic i'll probably post what I have traced so far

    #2
    Re: W9803D4 - Arcade claw machine board

    figure out which one you have or post the exact model... i have every crane manual all the way back to Big Choice.
    Last edited by SMDFlea; 10-19-2023, 03:49 AM.

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