Yamaha PLG150-AN circuit diagram & board schemes
23 января 2014, 14:27Also includes pinouts for YSS236-F VOP3 processor and H8/3002 RISC CPU (MCU). Taken from AN200 service manual. H8/3002 datasheet also attached.
For those who interested, Yamaha chip definitions:
Yamaha YSS236-F - VOP3
Yamaha YSS233-F - MDSP
Yamaha XW715A0 - 8M flash ROM
High quality PCB photos can be seen here: esher.ru/foto/66/