WPC DMD Display Controller Board

Power in/out:

  • 80VAC in = 62VDC out
  • 100VAC in = -113VDC / -125VDC out
  • 12DC In = 12DC out
  • 5VDC In = VCC + PCB Ground

 

J605 AC In direct from Transformer

  • J605.1 White: 80VAC from transformer, to BR1
  • J605.2 White: 80VAC from transformer, to fuse F601 to BR1
  • F605.3 Violet: 100VAC from transformer, to fuse F602, to BR2
  • F605.4: Key
  • F605.5 Violet: 100VAC from transformer, to BR2

 

J606 DC In

  • J606.1: Common GND  *** CHECK ***
  • J606.2: Key
  • J606.3: Common GND
  • J606.4: 5VDC slight isolation = Display Driver Vcc
  • J606.5: 5VDC
  • J606.6: 12VDC
  • J606.7: 12VDC

 

J604 Power out (To DMD PCB)

  • J604.1: -125VDC
  • J604.2: -113VDC
  • J604.3: Key
  • J604.4: Common Gnd
  • J604.5: Display Driver PCB GND
  • J604.6: Display Driver Vcc = 5VDC
  • J604.7: 12VDC (Slight drop as passes through D7 ?)
  • J604.8: +63VDC
  • Note: .4 & .5 are shown as connected on Cherry Schematic