Yamaha P 140 P 140S Electronic Piano Service Manual

This service manual for the Yamaha P 140 and P 140S electronic piano provides essential technical information for both professional mechanics and DIY enthusiasts. It includes detailed specifications, panel layout, circuit board layout, disassembly procedure, LSI pin description, IC block diagram, circuit boards, test program, data backup using a computer, initialization, message list, MIDI implementation chart, MIDI data format, parts list, block diagram, wiring, and overall circuit diagram.

The manual is available in English and comes in a PDF format, compatible with both Windows and MAC platforms. It consists of 71 pages, making it a comprehensive resource for servicing and repairing the Yamaha P 140 and P 140S electronic pianos.