> I think what this really suggests is that the transformer and power supply are providing multiple voltages. The +9V rail is broken, but the other rail (maybe

> I think what this really suggests is that the transformer and power supply are providing multiple voltages. The +9V rail is broken, but the other rail (maybe +5V) for the LED display is fine. There's a reference design in the LM8560N IC PDF that suggests that the additional secondary winding is only used to drive the display, and all other electronics is powered off the main rail. The 10V cap is kaput and it can't filter the input power, 9V just acts as a filter (even a discharged one). The OP should replace the cap with a 16V one, because a 10V cap on a 9V rail just isn't right..