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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
CONTENTS
DIGITAL WORKSTATION
PSR-S770
PSR-S970
Summary of Contents for PSR-S770
Page 23: ...23 PSR S770 PSR S970 Pattern side 2NA ZN12380 1 DMM Circuit Board PSR S770 ...
Page 25: ...25 PSR S770 PSR S970 Pattern side Scale 90 100 DMH Circuit Board PSR S970 2NA ZN12370 2 ...
Page 27: ...27 PSR S770 PSR S970 Scale 90 100 Pattern side AJACK Circuit Board 2NA ZN43330 5 ...
Page 29: ...29 PSR S770 PSR S970 PNM Circuit Board Pattern side Scale 70 100 2NA ZN43310 4 ...
Page 60: ...PSR S770 PSR S970 60 DMM Circuit Board ZN123800 Component side ...
Page 62: ...PSR S770 PSR S970 62 DMH Circuit Board ZN123700 Component side ...