The YAMAHA PSR-450 Service Manual is a comprehensive guide that includes the following:
SPECIFICATION
BLOCK DIAGRAM
PANEL LAYOUT
UNIT LAYOUT & WIRING
DISASSEMBLY PROCEDURE
LSI PIN DESCRIPTION
IC BLOCK DIAGRAM
CIRCUIT BOARDS
TEST PROGRAM
BACKUP DATA & INITIALIZATION
SYSTEM BOOTING FLOWCHART
MIDI IMPLEMENTATION CHART
PARTS LIST
OVERALL CIRCUIT DIAGRAM
This manual is an invaluable resource for both professional mechanics and DIY enthusiasts. It is available in English and can be accessed on Windows and Mac platforms.
