Yamaha PSR-S770 Service Manual
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Brand: Yamaha
Category: Musical Instrument , Synthesizer
Type: Service manual
Model: Yamaha PSR-S770 , Yamaha PSR-S970
Pages: 110
HAMAMATSU, JAPAN
PK
001917
SERVICE MANUAL
Copyright (c) Yamaha Corporation. All rights reserved. PDF ’15.07
SPECIFICATIONS ............................................................... 3
PANEL LAYOUT .................................................................. 5
CIRCUIT BOARD LAYOUT & WIRING ................................ 8
DISASSEMBLY PROCEDURE .......................................... 12
CIRCUIT BOARDS ............................................................ 21
TEST PROGRAM .............................................................. 38
INITIAL SETTING .............................................................. 54
PSR-S770 SYSTEM BOOTING FLOWCHART ................. 55
PSR-S970 SYSTEM BOOTING FLOWCHART ................. 57
PSR-S770 DMM CIRCUIT BOARD CHECK METHOD
............. 59
PSR-S970 DMH CIRCUIT BOARD CHECK METHOD
............. 61
RESETTING TO THE FACTORY-PROGRAMMED SETTINGS
............ 63
DATA BACKUP .................................................................. 64
VERSION UPGRADE ........................................................ 65
PARTS LIST
BLOCK DIAGRAM
CIRCUIT DIAGRAM
CONTENTS
DIGITAL WORKSTATION
PSR-S770
PSR-S970