The neogeo marquee is unique in that the cabinets are designed to have multiple games played on them. The game that's currently being played was lit up using a piece of electroluminescent paper rather than an LED or phosphorous bulb. The advantage of this is an evenly distributed backlighting for the highlighted game, the disadvantage is the relatively short shelf life of the EL paper, it being prone to malfunctioning (buzzing noises) and the high voltage inverter required to power the panels. None of the panels on my marquee are lighting and I'm inclined to believe the problem is related to the panels themselves rather than the inverter.
Here is the marquee:
marquee removed revealing MVS EL board
closeup
circuit board removed
Behind this panel is the Electroluminescent Inverter - provides the panels with a high voltage but low current that they need to operate.
Panels off, you can see the speakers that come down from the top of the marquee. Had to scrub this area out too...
Whats this? More metal bits to hold the marquee in place? Better sand and paint those while I'm at it...
Painted the screws visible on the cabinet exterior as well.
Back to the light panels... I found some here for a reasonable price. They are slightly larger than the ones already in the cabinet but should get the job done. I think you're able to cut the panel to fit the exact size of the marquee if need be, but I'll wait to see if they even work properly before messing around with them much more than I already have.
New panel
A little bit bigger than the original...
Almost done...
Hooray
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