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power driver board

  1. K

    Bride of Pinbot Power issue

    afternoon all. This afternooon, stupidly had the power on to the machine whilst adjusting a switch on a bumper. Game went dark!! Powered down and back up and heres what i have. initially on the CPU board LED D19 should blink and D21 should be ON. When all is well this then shifts to D19 off...
  2. Dave Playman

    Sold Rottendog Driver Board - MPU004 / MPU011C - Data East & Williams system 11 games. £300 posted (within UK)

    Hi all👍🏼 Was hanging onto this ‘just in case’ however I’ve decided to sell to part fund a new colorDMD that I would make more use of 😎 Rottendog Driver Board - MPU004 / MPU011C - For Data East and Williams system 11C games. Includes the MPU011A daughter board to run system 11A and 11B games...
  3. Monkeyboypaul

    What causes Flasher and coil power to fade from On>Off after interlock opened?

    Does anyone know why, when testing Flashers and Coils on a WPC game, they seem to keep firing AFTER you release/open the door interlock switches? I thought that cut power to them, which it does... eventually. Just it seems to take a little while for it to stop - kind of fades away slowly...
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