My Centaur AS 2518 66 Solenoid Expander board was working intermittently firing the multi-ball launch coil (solenoid #15 in the test mode). After attempting to reflow the pins on the board all I managed to do was to cook the ball launch coil instead.

I purchased a PinPoint Electronics replacement expander board but the installation instructions show that it is not the correct one for Centaur. Apparently they make a 2518-66(A) which is for games that require a 43 volt jumper (Black Belt, Eight Ball Deluxe [all versions], Elektra, Fathom, Medusa, Mr & Ms Pacman, Speakeasy and Vector) and there is a 2518-66(B) for the non-jumper games (Centaur and ??). I don’t see any indication on their website (or on anyone else’s) that there is an A & B version available.

I found an April 1983 Bally Midway service bulletin that discusses the subject of removing the expander board jumper for Centaur and Speakeasy (see pic). By the way, my original Centaur board has the jumper cut and removed (see pic).

My questions are:
1. Can I use the PinPoint 2518-66(A) expander board as-is without any issues
2. Can I cut the J1 Jumper on the PinPoint board (see pic) to make it work for Centaur

Thanks in advance for any help you experts can provide!

whoops, images attached.

Service Bulletin (resized).jpg

AS2518-66 Solenoid expander (resized).jpg

Bump for the evening crowd.

Thanks Joydivision! That's exactly what I needed.

Update: I cut the jumper on the new PinPoint expander board, installed it and everything is working as it should.