204.60.148.226
In Reply to: RE: Gee, it must be nice ............. posted by chrisby on December 07, 2007 at 14:03:39
is to post a few photos of the C4S board modification:
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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