AirBorn Designers of Microprocessor Electronics

SP320 PSU Terminals

  • Replaces existing problematic PSU with newer switchmode and terminal board

  • Terminal board offers fast plug / unplug to reduce downtime

  • DC OK indicator lights only when correct output is present

SP320 PSU Terminals
Client
Fairfax Printers
Fairfax Printers
Project (Short name: psuterm)
SP320 PSU Terminals
Project Status
Released to Production
PCB Number
AB0605430
Version Date
8 May 2006

Circuit Diagram

Click diagrams to see at full size
F11 then toggles fullscreen mode and
clicking (image or icon) zooms further.

Circuit diagram

PCB design


PCB size H WH x W
Metric36.2mm209.6mm7585mm2
Inches1.425in8.250in11.76in2
Corner
holes		28.6mm201.9mm(6 holes)
Diameter of holes: 4.0mm
Total
holes		696 sizes >=0.81mm
PCB overlay image
Click for Layer key

Final board

SP320 PSU Terminals Photo
 
SP320 PSU Terminals photo b

SP320 Switchmode circuit

sp-320-r1.pdf

Old version Board with PTCs fitted

psuterm_oldvers.jpg

Instructions

psuterm_instructions.pdf

Documentation package

SP320 PSU Terminals Documentation (PDF)
Design Copyright

  (may be assigned)

©8 May 2006 AirBorn Electronics Pty Ltd

©2025 AirBorn - Last updated 22 September 2025

Background Image: The Cygnus Wall of Star Formation: Credit & Copyright: Image by Mike Sherick