Sunday, April 10, 2011

Day 2 of building...

After a couple of evenings building, I've completed the power supply and routing of the heater lines.  The power transformer is on the top of the plate with wires passing through grommets to this side.  The components you see on this side (from top-left to bottom-right): Power Switch, Power Lamp, Mains Fuse Block, Tube sockets, Power Supply Choke, Secondary Fuse Block, Rectifier Bridge (4 hexfreds + snubber caps), Smoothing and Reservoir capacitors with snubber caps)

Wiring Legend:
  • Yellow-orange = Neutral leg of the transformer primary
  • Red to fuse block and Orange to rectifier block = High Voltage Secondary
  • Blue = 5v winding for Bias supply
  • Grey = 6.3v windings for tube heaters
  • Red/Black = Driver B+ and Ground

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