Galaga FF code?

Game will be locked up... usually says "Credit FF" in bottom left corner. Have to power down reboot to reset game.
 
Galaga boards can be a PITA.

First check your voltages at the PCB and make sure those are good.

Second if it still has the original Resistor Packs and Sockets, you may want to consider replacing them.

If you put the game in self test, does it give any errors?

Push down on all the socketed chips and see if that changes anything.
 
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