TNMC's are not turning on, VDC set connection is unplugged.

Potential Symptoms

  • TNMC is blank.
  • Mod LED's may flash on an off randomly.
  • TNMC driver may be receiving low voltage, near 3 VDC.
  • Bypassing signal to a TNMC driver may cause downstream TNMCs to light.
  • A-2307 power supply present in TNMC.
  • TNMC may not run an All On test triggered by the console or by the SP2, SP3, or SP4 switches.
  • TNMC downstream of affected driver may show a POST when harnessing is disconnected and reconnected.

Environment

  • Product: Indoor / Outdoor Scoreboard
  • Component: Team Name Message Center (TNMC) 0A-1544-0118    
  • Control System: All Sport 5000, 5010

Cause

  • Low voltage output from the power supply caused by V_Reg (brown/blue) harness being disconnected from a module.

Resolution

  • Connect VDC set cable to J4 plug on any of the mods that it powers.

KB ID: 000026210

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