GG-2 THEORY OF OPERATION [ Reactor Only ]
GG-III THEORY OF OPERATION [ C-22248, C-22248-2 and C-22248-3 ]
CPU development (and picture of video problem)
VIDEO DISC GRAPHICS SYSTEM THEORY OF OPERATION [ 22399 (GD-01) ]
MAME SOURCE CODE FOR GOTTLIEB GAMES
GG-III CPU SECTION LAYOUT
Q*BERT BOOTLEG BOARDS
TROUBLESHOOTING Q*BERT
FACTORY JUMPERS
Q*BERT TO JAMMA
Q*BERT SYNC INVESRION
PCB IMAGES
POWER SUPPLY
BATTERY UPGRADE (mirrored from www.jrok.com)
SOUND BOARDS
WG-K4900 Monitor Troubleshooting Flowchart

COMPONENT DATASHEETS
LINKS