HAMAMATSU, JAPAN
PK
001831
SERVICE MANUAL
Copyright (c) Yamaha Corporation. All rights reserved. PDF
&
’09.07
SPECIFICATIONS .......................................................3
PANEL LAYOUT ..........................................................5
CIRCUIT BOARD LAYOUT & WIRING .......................8
DISASSEMBLY PROCEDURE .................................12
LSI PIN DESCRIPTION.............................................22
IC BLOCK DIAGRAM ................................................34
CIRCUIT BOARDS ....................................................38
TEST PROGRAM ......................................................60
DATA BACKUP ..........................................................69
SYSTEM RESET .......................................................70
SYSTEM BOOTING FLOWCHART ..........................72
MIDI IMPLEMENTATION CHART .............................76
MIDI DATA FORMAT .................................................77
PARTS LIST
BLOCK DIAGRAM
OVERALL CIRCUIT DIAGRAM
CONTENTS
DIGITAL WORKSTATION
PSR-S710
PSR-S910