Quoted from johnwartjr:I think I'd swap the CPU board out, and maybe the fliptronics board. One at a time.
I agree with this. But first check your fuses. Once done start swapping the boards with your Addams one at a time looking for the issue to be fixed in Tz and show up in Addams. There are other ways to get to the bottom if this but none that will get you there as fast. On sound and CPU boards, remember to swap the roms also.