Solenoid driver transistor types
The CPU board coil drivers are SE9302, 2N6045, TIP122 or NTE263 parts, all replaceable with a TIP102. They are fed by CA3081 pre-driver transistor arrays.
Systems
Related tips
- The 19 solenoid driver transistors
- Kickout coil burns up in attract mode: driver transistor, resistor and the CA3081 at U3
- CPU and driver board transistors by position
- Test a TIP120/TIP102 solenoid driver with a meter
- 20-second test for shorted coil driver transistors
- Solenoid driver test at 2J9 and 2J11 with Leon's code
- Which transistor drives which WPC solenoid and lamp circuits
- Testing the 2N6043 coil drivers
Source: Repairing Bally 6803 Pinball Games from 1985 to 1989, Clay Harrell (pinrepair.com)