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Hi-hat open/close problem with TD-4k (FD-8)

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  • Hi-hat open/close problem with TD-4k (FD-8)

    Hi, just bought a TD-4k and really enjoy it (or my son does).

    The problem is that I'm not able to get the hi-hat pedal working (HHC), meaning I cannot close and open the hi-hat, it's constantly open.

    Here's my troubleshooting:
    - I tested the HHC cable with pins 25 and 13, and seems to be working as I get a light on with a battery through it.
    - the pedal (FD-8) seems to be working. I attach it to PD-8 cable, and when I press the pedal I get the PD-8 sound.
    - in reverse I also tried the HHC cable in the PD-8, but then no sound when I hit PD-8.
    - reset the unit
    - could not find anything to pedal settings, and even if I could I cannot select it as cannot get a response through HHC cable.
    - Hi-hat working normally otherwise, just pedal effect missing.

    Is the only outcome that the main unit itself is damaged?

    Thanks

  • #2
    Don't you get any reaction even if you step really hard on it? If you bought it second-hand it's likely that the rubber "hammer" (aka actuator) turned hard. If so, you can try this "Vaseline" (it works, but leave the Vaseline on there) fix: https://youtu.be/mncNvGyt_R4

    - if not it could be the sensor itself, in which case you may need to replace it..
    Pearl Mimic Pro, Roland TD-50/TD-30/SPD-SX - PD-140DS, BT-1, PD-85, 3xPD-105, 3xPD-125, KD-120, KD-7. Cymbals: CY-18DR, 2x CY-14C, 2x CY-15R, 2xCY-12C, CY-13R, 2xCY-5, 2x Yamaha PCY10, 2xTriggera D14

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    • #3
      Thanks for you reply.

      But does not this prove that the pedal works??:
      - the pedal (FD-8) seems to be working. I attach it to PD-8 cable, and when I press the pedal I get the PD-8 sound.

      I thought about the vaseline fix as well, but figured with that problem I would not get any reaction when testing the pedal on another cable...

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      • #4
        Well, it could be a lot of things, I guess, but my money's on the sensor or the rubber. When you test it like you did, you may give signal enough for the module to interpret that as a light hit on a pd-8. That same signal may be outside the needed limit /threshold of "hihat closed" for the module. So try if you can get a hihat closed sound if you step really hard on it and hit the hihat. If not, I think the sensor is broken.
        Pearl Mimic Pro, Roland TD-50/TD-30/SPD-SX - PD-140DS, BT-1, PD-85, 3xPD-105, 3xPD-125, KD-120, KD-7. Cymbals: CY-18DR, 2x CY-14C, 2x CY-15R, 2xCY-12C, CY-13R, 2xCY-5, 2x Yamaha PCY10, 2xTriggera D14

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        • #5
          Brilliant. I tried and it was just as you said. The actuator rubber was too stiff. Found this solution of cutting a few lines on the shorter side which worked like a charm (http://www.vdrums.com/forum/advanced...d-8-rubber-fix). Thank you qcaze for you help!!!

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          • #6
            You're welcome :-)
            Pearl Mimic Pro, Roland TD-50/TD-30/SPD-SX - PD-140DS, BT-1, PD-85, 3xPD-105, 3xPD-125, KD-120, KD-7. Cymbals: CY-18DR, 2x CY-14C, 2x CY-15R, 2xCY-12C, CY-13R, 2xCY-5, 2x Yamaha PCY10, 2xTriggera D14

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            • #7
              In one of the hack, I saw it that it was dipped into hot water.
              But after I did it, the rubber is kind of spoiled. It has becoe like lava, and its shape is changing whenever I touch it. It has been 8 hours, still it has not become hard.
              What should I do now?

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