PE Conversion Instructional Video- Prophet '08 Module 29 April 2022 08:44 Available in 1080p HD. This is a step by step video walk-through of the PE Conversion installation for the Prophet '08 Module. If the C7 capacitor is absent and there is a resistor marked "0" or "000" in the R3 location on your Prophet '08 Module main board, you do not need to perform the main board modification: Related articles REV2 Keyboard Troubleshooting Pulse width 0-1 or 98-99 no sound? Prophet '08 Keyboard Key Replacement Guide PE Conversion Instructional Video- Prophet '08 Keyboard Power supply alternative from Radio Shack