These are the schematics of the PV PPT Regulator that has been runing the last couple of years. It is however unfinished ie:-

1. No Box
2. No PSU Over voltage protection (finaly did this 2007-02-10 Thyristors across the PVs and o/p)
3. Controller PCB still has Prototype mods and requires redesign
4. More but can't remember (I've had at least four scotches at this point)