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The schematics listed below are pdf files.  The Adobe Acrobat Reader is free and available by clicking the link below (if you are unfamiliar with pdf files, try clicking on a schematic first since the reader may already be installed on your machine).  The schematics may take from a few seconds to a minute or two to load, depending on connection speed.

High Voltage
  Economical High Voltage Power Supply  (See 106 Tool � PCBs)
  SCR Style High Voltage Power Supply  (See 106 Tool � PCBs)
  Voltage Multiplier 1 for Above HVPS's  (See 106 Tool � PCBs)
  Aux. Voltage Multiplier 2 for Economical HVPS  (See 106 Tool � PCBs)
  High Voltage Filter Circuit (1, 2, or 3 Stages)  (See 106 Tool � PCBs)
  Versatile High Voltage Regulator and Filter Circuit  (See 106 Tool � PCBs)
  Neon HV Boost Circuit for Single Regulator GRN Tools  (See 106 Tool � PCBs)
  Comprobe Style High Voltage Power Supply (Single HV Diode)
  Comprobe Style High Voltage Power Supply (Dual HV Diodes)Low Voltage
  KISS Downhole Zener Low Voltage Power Supply (With Tables)
  Temperature Compensated Low Voltage Power Supply 1  (See 106 Tool � PCBs)
  Temperature Compensated Low Voltage Power Supply 2  (See 106 Tool � PCBs)
  Temperature Compensated Low Voltage Power Supply 3  (See 106 Tool � PCBs)
  GO COSMOS Replacement Low Voltage Power Supply  (See 106 Tool � PCBs)

05-16-08
Last 10-20-10