I finally finished off my OPL3 module, using the OPL3 chipsets I got from the bulk order. Good news: They work, sort of. Bad news: They work, sort of. Here's the troubleshooting log so far. NB: I refer to parts by references on schematic PDF, actual part references on SmashTV's PCB and website are DIFFERENT! I uploaded the FM testtone app and only got the 1kHz tone on channels 1+2. Tested connectivity in the opamp stages and voltages, all seems OK. Swapped around opamp ICs to prove th