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Hey chrisby! About the best I can do....

204.60.148.226


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is to post a few photos of the C4S board modification:

Photo Sharing and Video Hosting at Photobucket
Photo Sharing and Video Hosting at Photobucket

The 431 chip and the two additional resistors form a regulated bias voltage for the driver tube.
This takes the place of the original cathode LED....maybe PJ or Doc B. can chime in with additional details.

Mike




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