(Topic ID: 266762)

System 11 Super Sad, Sluggish Bumpers (High Speed)


By DANGERTERROR

9 months ago



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  • 17 posts
  • 6 Pinsiders participating
  • Latest reply 8 months ago by DANGERTERROR
  • Topic is favorited by 3 Pinsiders

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    #1 9 months ago

    No matter what I adjust, all three bumpers on a PF swapped high speed are incredibly limp and weak.

    Any ideas on what could cause this? It’s weird that it’s all three... I replaced the switch stacks which have the cap/resistors which I’ve checked. Should be wired fine but could this be the caps?

    B3430974-B042-4E88-BB65-D83581470D73 (resized).jpeg
    #2 9 months ago

    35v at the lugs.

    They just kinda weak plunge and I can hold them up with my finger. Little resistance. So frustrating.

    2 weeks later
    #4 8 months ago

    I tested this. Activating these pins absolutely fixes it and the coils fire much more powerfully.

    What’s the remedy here? Just repin the Connector on MPU?

    #6 8 months ago

    Ok: on it. Anything else it could be? Just because I am always wanting to learn!

    #7 8 months ago

    Replaced the connector with a trifurcon molex. No change.

    I’m thinking it’s the new switch stacks I put in. They have different tabs than the originals and I think they just aren’t wired right.

    529D8E2B-5B79-4425-B1E2-DC63616E3706 (resized).jpeg
    #8 8 months ago

    Originals

    27CD7A8B-3D26-4403-8CE7-F5333E9C1F86 (resized).jpeg
    #10 8 months ago

    Yet I still managed to screw it up! I really can’t see how.

    I completely reversed one pop and went back to the old switch stack, cap, diode, and resistor. And pop was perfect.

    I legitimately can’t see why. Everything should be wired the same, even without the tie points.

    #12 8 months ago

    I have never heard of such a thing. Fascinating. That is probably it as getting the leaf contacts just so was also tremendously frustrating.

    #15 8 months ago

    I’m going to just crack the switch stack and replace the skirt/cup switch with the original to test. Less soldering!

    #17 8 months ago

    The latest is that returning to the old switch fixed the issue. Not sure why.

    Wouldn’t a shorter coil firing time result in weak pop action anyway?

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