(Topic ID: 253144)

Eight Ball Deluxe Switch Matrix Issue

By ShootForSlrValue

4 years ago


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    #4 4 years ago
    Quoted from BigAl56:

    This scenario would occur if the #5 target diode were shorted, missing, or backwards.

    He said he replaced them with no change.

    "I replaced the diodes on the 2, 5, and left slingshot switches with no resolution."

    Wasn't there similar issues with early SS Bally when the mylar/ceramic disk caps were bad or broken?

    Thanks
    Blake

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    #6 4 years ago
    Quoted from Quench:

    The phantom issues that are happening sound more like an issue with the #5 drop target diode as bigal56 said - it might not be the diode itself, but rather that switch stack is improperly put together shorting the diode. This is why closeup pictures of the switch stacks will help.

    Right on. You mean the spacers might not be in there proper positions? Or an issue with wiring?

    You do recall similar problems with the caps though correct?

    Thanks
    Blake

    #8 4 years ago
    Quoted from Quench:

    Yes I suspect the spacer between the diode lugs is missing/in the wrong position effectively shorting the diode.
    It could be a capacitor problem but we need the O.P to come back with more info.
    Performing the switch test mode tests using the procedures mentioned in post #2 will reveal more.

    Right on.

    OP lets see some pics.

    Thanks
    Blake

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