Appreciate the response Larry.
As you can see in the image above the location of the diode in question sits on the circuit board with 2 other identical diodes. CR1, CR2, and CR3 are marked on the PCB at that location. This PCB is directly related to the touchpad of the Dukane patient station for such functions as "call", "staff emergency", etc. The board I repaired and the board I'm trying to repair (in the image above) had similar issues. Both boards when powered had touchpad LED indicator lights lit before the buttons were pushed. These lights could not be cancelled or reset. I traced out the circuit from the malfunctioning signal to various components and eventually arrived at the diodes. The first board I repaired seemed straight forward when one of the diodes didn't test properly using a DMM. The board I'm trying to repair now seems to have the same problem except it's two of the diodes that don't measure correctly. I did several resistance measurements comparing the working board with the board that needs repair. The resistance across the diodes that I suspect is far greater than the others. As well, when I compare the R across the capacitors the ones in the malfunctioning board show "OL" while the ones in the working board show approximately 900 ohms.
