Star Trek: The Next Generation ninth switch column (gun switches)
Column 9 (violet-white wire, Q11, J5-1 on the auxiliary board) holds the gun switches: row 2 (white-red) left gun mark, row 5 (white-green) right gun home, row 6 (white-blue) right gun mark, row 7 (white-violet) left gun home. Rows 1, 3, 4 and 8 are unused. Test them with the right gun test in the game's menu.
Systems
Games
Related tips
- Ninth switch column on Twilight Zone, Indiana Jones and STNG
- All flippers fire at power-up and blow the 50 V fuse: aux board ribbon upside down
- Solenoid numbers above 28 and the 8-driver auxiliary board
- STNG: under-playfield diverter coils lock on during play
- Spinner stops registering: broken wire on an upper flipper EOS switch
- STNG won't start and keeps ejecting balls: fuse F103
- Switch columns to U20 pins
- Testing CPU switch columns with the switch levels test
Source: Repairing Williams/Bally WPC Pinball Games from 1990 to 1999, Part Two, Clay Harrell (pinrepair.com)