An Original, Factory OEM Yamaha Portatone DSR-500 Service Manual/Parts Catalog.

Full of schematics, board views, specifications and more. Please see table of contents in pictures.

The Manual is in GOOD USABLE CONDITION, clean pages, no missing pages, some light cover wear, PLEASE SEE PICTURES. This Manual is the same one used by Yamaha Service Technicians and is loaded with pictures and diagrams.  The Manual in the pictures is the manual you will receive. NO STOCK PHOTOS.  Any questions, please ask.