A Factory Original OEM Technics Electronic Keyboard Model SX-K450 [M] Service Manual, including Wiring Diagrams, Schematics and Parts List. 

This Manual is in GOOD USABLE CONDITION, clean pages, no missing pages and contains many pictures and fold-out diagrams.  Please zoom into above photos to see the contents list and more extensive details.  This Manual is the same one used by Technics Service Technicians. The Manual in the above pictures is the Manual you will receive - no stock photos..  Any questions, please ask.