Hi guys, I just picked up an MVSU4, my first neo cab. I'm not sure if I'm just an idiot or if there is a problem with my board. I fixed a sound issue, but the game select button does not work. I don't have a credit button so I play games on freeplay. If I boot up the game in freeplay mode, is the game select button disabled? I thought you could just turn the machine on, and press select game while it is in attract mode, correct?

Neo Geo MVS Motherboard PCB Comparison Chart Originally at hardMVS, but currently only accessible via archive.org's Wayback Machine capture. MV-1. MV-1A. MV-1AX. MV-1B. MV-1C. MV-1F. MV-1FS. MV-1FZ. MV-1T. MV-2. It took me a week on and off to repair and restore this NEO GEO MVS (MV-6F) but it was worth it in the end.

I checked continuity and it seems fine, but just in case I jumped pins 26 and d, select up and select down to ground with no effect in freeplay mode. Any ideas where to look elsewhere? Right now I have to wait for the demo mode to switch over to the game I want to play.

Neo Geo X

Neo Geo Mvs Arcade Cabinet

edit: Also on the bottom board there is are pins for different harnesses labelled 1P, 2P and EL. I only have a harness that fits 1p or 2p so I have it plugged into 1p, but what are they?