Hi again,
I just checked the schematic for the KN2000 and it has:
[*]+5v
[*]-5v
[*]-24v
This is probably different than the KN3500 but see what you can find.
There is also a regulator to feed dc to the circuit that provides the backlight for the display but it is unmarked.
Walt
[This message has been edited by Walt Meyer (edited 02-04-2004).]
[This message has been edited by Walt Meyer (edited 02-04-2004).]