Williams WPC MPU-089 Board November 10, 2019 Posted by silver https://thepiratebay.org/torrent/6337010/pinrepair.com_Pinball_Machine_Repair_Guides___And_other_misc_Pin Power for testing via 7 pin J210 Pins 1,2,3 = groundPins 4,5 = +5 volts DCPins 6,7 = +12 volts DC RottenDog MPU089 Jumpers Ram Jumpers, no need to touch R93? Updated: February 1, 2020 at 11:55 am ◀ RC4-4DOF Issue ZD-985 Desoldering tool ▶