AS-2518-16 and AS-2518-22 solenoid driver boards interchange
The earlier AS-2518-16 has no high-voltage fuse; the later AS-2518-22 adds one. Otherwise they are direct replacements for each other.
Systems
Related tips
- Test solenoid driver transistors with the game off
- Solenoid driver board: transistor, diode, resistor and connector for each driver
- Test the CA3081 pre-driver array
- Test the 1N4004 diode behind a driver transistor
- Fire a coil by grounding its driver transistor tab (game on)
- Replace SE9302 drivers with TIP102, and renew the parts around them
- Bally and Stern solenoid driver boards interchange
- Solenoid driver board J3 pin functions
Source: Repairing Bally Electronic Pinball Games from 1977 to 1985, Part Three, Clay Harrell (pinrepair.com)