Yamaha PLG150-DX circuit diagram & board schemes
23 января 2014, 14:46Also includes pinouts for YMP706-F AWM Tone Generator; and SH7043 RISC CPU (MCU). Taken from DX200 service manual.
For those who interested, Yamaha chip definitions:
Yamaha YMP706-F - AWM Tone Generator & Digital Filter
Yamaha YSS233-F - DSP
Yamaha XY259/XY260 - 4M-Flash
Yamaha XS992A0 - Gate Array
High quality PCB photos can be seen here: esher.ru/foto/66/