Socket replaced chips, ideally with machine pin strips
Keep good quality sockets in 8, 14, 16, 18 and 40 pin sizes. Machine pin strips cost more but snap to any length and leave the pads open so they can be soldered from either side of the board.
Systems
Related tips
Source: Repairing Gottlieb System 3 Electronic Pinball Games from 1989 to 1996, Clay Harrell (pinrepair.com)