yes, the easiest is swapping board(s) from a working unit and
compare.
You?ll find out what works in your broken synth and is good for
spares in future.
Once you got a working machine, you?ll use that anyway
Quick status update.
- PSU recap: no effect
- Upgrade all EPROMs: no effect
- Replace secondary CPU SRAM: no effect
I feel like I'm at the point where I should do what PeWe said and buy
a TX802 that is not broken. However, I'm still curious, so I ordered a
cheap logic analyzer on Ebay. I want to see what data goes into the
EGM.
To be continued.
