Scoreboard not responding to console, Loose neutral on output side of TB41.

Symptoms

  • Scoreboard will not respond, but measuring good power and signal into driver.
  • Data out light on radio not lighting, wiggling wires may cause light to come on briefly.
  • All on test has a few random LEDs that light up on the scoreboard, but most LEDs stay blank.

Environment

  • Outdoor scoreboard

Cause

  • One of the two white neutral wires coming out of TB41 is not making a good connection.

Resolution

  1. Power down scoreboard at the breaker
  2. Verify that power is off.
  3. Reseat wires on TB41 ensuring they are making a good connection to the terminal block.
    • Check both line and neutral.

KB ID: DD3524973


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