james wrote:
http://www.smugmug.com/gallery/61592...88058044_TTcnS
(put mouse on the photo and click "original" to see full resolution)

Any idea which chip/transistor controls the 12V 4A to the rest of the
system?

IC18 to the left of the power socket? I can't read the type number other
than it's made by International Rectifier..

--
Adrian C