Lower, right section of multi-section scoreboard blank.


  • Lower, right section of the scoreboard is blank.
  • Lower than recommended voltage at J-17 at A3 driver (14VDC).
  • A3 driver recently replaced and the section is still blank but Master driver output voltage is good.


  • H-2105-XX


  • A2 driver is not outputting correct voltage.


  • Replace A2 driver.

Work Around

  • Swap A2 and A3 drivers so that the bad output is at the end of the signal chain.

KB ID: DD2697741

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