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Hi, did a recent Battlezone to Red Baron ROM / AUX Board - Swap (using a working Vector generator PCB) .. Red Baron comes up in Self Test - failing to ROM 4 - which is that 2732 Eprom with PIN 18 (out of Socket) and single wire (mod) connected between ROM chip (Pin 18) and 74LS39 Pin 13 at M2...

Hi I've trying to resolve a NAMCO - Mappy - VIDEO - PCB issue which is one that I have never seen previously. When I power Up the PCB Set I get 3 Lines of Repeating Text which Spell Out '' PAI 1 '' (please see Attached Photos). I swapped All Custom IC's, RAM, ROMS etc.. and verified this Set...

I know this may be a long shot (mission impossible) but in case anyone out there may have one working Bally Midway Robby Roto - ROM - Board - for sale, please PM me. Thanks In Advance ...

WTB: Sega G80 Eliminator(Meatball) sound card / or Trade for G80 Universal Card Please let me know if you have one complete (preferrably working - or semi working) Sega G80 - Eliminator or Meatball sound card - for sale. Or if you are willing to Trade and are looking for one G80 Universal...

G80 Control Card - Vector Memory access question / ongoing woes ..... All, My problem (and this is where I am looking for some G80 expertiese), is that I have an X/Y - Control Card, which even after recently replacing the X/Y interconnect cable / sockets, continues fails with the following...

Hello - wanted to introduce myself... I've been a collector (on and off) of early 80's Arcade Games since late 1997. I like just about anything and as of recent got back into trying to ressurect some old SEGA G80 - X/Y - stuff. My current problem (and this is where I need some G80 expertiese)...