[sdiy] Prophet 600 diagnostic eprom?

[Eric Frampton]

> can you disconnect the voiceboard from the CPU board? It should work alone until the tuning procedure.

They’re soldered together. I guess I could get in there and do that if I needed to though.

> If it does not come up, then you may try replacing the RAMs. But this is a shot in the mist. I think of the RAM because a broken gate would make the CPU stop always at the same point.

One of the diagnostic routines is a RAM test, and assuming the routine is actually running right, it came back saying the RAM was OK.

e