Take a step back and ensure the CPU board is ok.
Remove the connector (J1 from memory) from the rectifier board. Check the fuses on the power supply and then you should have a booting game without J1 connected. No solenoid power or GI lighting to the playfield.
you need to check the wiring to each lamp. Sounds like a a lamp matrix wire has shorted to a coil somewhere.
removed J1 which said playfield on the rectifier. Power on but knocker locked on. So powered off quickly.
