Rock-ola 464 insert coins light won't light

[whammoed]

Having an issue where my insert coins light won't light when there are no more credits.
The resistor and light bulb are good and I confirmed there is no AC going to the board for that light.
I'm looking at the control board and mapped it out a bit but I'm stumped...I really don't see how this bulb is supposed to get current...ever...
Any advice on what to look for in this situation?

[whammoed]

Update:

Standard pricing does not include nickels or dimes which is what I have, so there is no scenario where I could have a partial credit registered and need the "deposit more coins" light.  To get the 5-10-25 pricing to work would require a different ratchet and *maybe* that bulb would illuminate when you only put in a nickel, though looking at the board layout with the diode placement and the wiring I don't see how this bulb could possibly receive any current.  The "deposit more coins" light is not mentioned in the manual and I don't see its circuit anywhere in the schematics.

Bottom line is that apparently this light should never be lit on my machine.