ok guys, i'm at a total loss here and need your help / some input. when turning on the game, the two coin door lights should be on and the four transparent buttons on the control panel should be flashing when i push any button. however, neither of this is happening
. with that being said, let's start with the seemingly simpler issue first: the coin door lights!
the obvious choice for non-working lights are defect lamps. installed was a CM25 6.3V lamp, replaced it with a #555 lamp of the same value - nothing changed, still no lights. since the bulb sockets looked somewhat corroded, i removed it along with some wiring from the coin door to test the setup directly at the switching power supply. the result
ok, lamp is working, socket is usable, let's check the voltages directly at the two coin wires going into the socket. wires hooked up to the multimeter ...
... voltages are good and should power the lamp!
so let's hook up the socket AGAIN, normally it SHOULD work
unfortunately, as you can see, the lamp stays dark
!!! and i have no freaking clue why that is the case
am i just plain stupid, am i missing something here or does this leave you guys puzzled as well? hope you can give me some input here on what to do ...