Sorry for the long silence… Finally I made this module fully functional! In the end it was not only a bad opamp, one of the RAM chips, KM681000BLP, was also faulty. I recorded some audio samples, see the attachements. The module itself is very noisy output (curse 4558 amps) — you could hear humming …

Ok, so I checked out the pinouts, thank you very much Tiido for pointing on that! It should be MC68EC000 chip. So I snapped one in, and powered up the unit. And it works! Although there were no sound on the left channel. But I realized that the JRC4558 op amp was the cause. Ordered one. I'll record …

Hi! I need some advice from MIDI and Emu8k and m68k and any other gurus who are capable. Please. Recently I get an obscure (at least for us with DuckDuckGo and Google) Korean MIDI module — Samick City Sound , made by Samick Musical Instruments Co., Ltd. Samick is best known for their guitars and …

Sorry for necroposting =) I managed to put my hands on one of these units. It's not in working state for now, but I'm working on it =) Here's the Guts (2 photos — with and without flashlight):