Yamaha PSR-1000 PSR-2000 Service Manual
This Yamaha PSR-1000 PSR-2000 Service Manual covers the following topics: specifications, panel layout, circuit ......
Yamaha PSR-S550/PSR-S550B Service Manual Download
SPECIFICATIONS
PANEL LAYOUT
CIRCUIT BOARD LAYOUT & WIRING
EXTENSION CABLE FOR SERVICE USE
BLOCK DIAG......
Yamaha PSR-620 PSR-520 Service Manual
This Yamaha covers the following topics: specifciations, panel layout, circuit board layout, block diagram, disass......