My buddy has a GNR pinball that only lights up and nothing else happens. No DMD display readout, can't go into the menu, all of the GI bulbs turn on.
Apparently, this started after what he states the ball kept trying to kick out when he first started the machine one day for over a minute straight (he didn't turn the machine off... ugh) and since then it is not working properly.
I checked all of the game fuses and only one of the playfield magnets was out so I replaced that with no change.
Any ideas on where to go with this? My guess is a transistor but I'm no tech expert and have only minimal experience with a meter.