What boards a System 1 game has
The backbox holds a power supply, a CPU board and a driver board. From Close Encounters on, a sound board sits in the lower cabinet. Scores show on blue Futaba fluorescent displays, which run on far lower voltage than the gas displays of other makers and last longer.
Systems
Related tips
- Spare transistors for System 1 boards
- Spare chips for System 1 boards
- System 1 CPU board connectors
- Aftermarket System 1 CPU boards
- System 1 driver board connectors
- System 1 sound: chimes and two sound boards
- System 1 power supply outputs
- Acceptable System 1 supply readings
Source: Gottlieb System 1 Pinball Repair from 1977 to 1980, Clay Harrell (pinrepair.com)