On Wed, 12 Aug 2009 15:38:38 -0400, "solarwind" said: > > I removed the 0.1 uF capacitor from the VPP line and it still does not work. > > > > My breadboard version of the same schematic works though. > > > > Could it be that I accidentally damaged the chip by overheating it > during soldering? Or overheated some of the other components? It's unlikely. My next step would be to look for shorts or a trace that has a tiny break in it. Cheerful regards, Bob -- http://www.fastmail.fm - One of many happy users: http://www.fastmail.fm/docs/quotes.html -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist