Sansui D-590R (silver and black model) Service Manual. PDF. With color diagrams or schematics. Covers: specifications, block diagram, operations of pinch roller and combination head, cassette mechanism views, adjustments, parts location chart/diagram and parts list, board diagrams, adjustment and test points, main parts replacement, exploded views, interior block diagrams of IC's, schematic diagrams, packing and accessory list.
