Yamaha PSR-E473 - Service Manual

SERVICE MANUAL
PSR-E473
PK
001998
-A0
2022.01
© 2021 Yamaha Corporation.
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CONTENTS
SPECIFICATIONS................................................................................... 3
PANEL LAYOUT ..................................................................................... 5
DISASSEMBLY PROCEDURE ............................................................... 8
Disassembling the keyboard (time required: About 13 minutes)........... 14
BACKUP................................................................................................ 16
INITIALIZATION .................................................................................... 17
INSPECTIONS ...................................................................................... 18
APPENDIX ............................................................................................ 29
CIRCUIT BOARDS................................................................................ 31
BLOCK DIAGRAM
CIRCUIT BOARD LAYOUT WIRING
OVERALL CIRCUIT DIAGRAM
PARTS LIST