On 4 Jul 2005 at 13:12, Christopher Zach wrote: > Sure. Start by removing the diodes and checking them; one might be > shorted. The diodes are odd looking devices. They almost appear to be integral to the heat sink that they're attached to. Is there a trick to removing them? Is there a source for replacements or do folks just find a way to connect a common power diode? Ken Muldrew.