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SERVICE MANUAL
■
CONTENTS
SPECIFICATIONS .............................................................................. 3
PANEL LAYOUT ................................................................................. 4
CIRCUIT BOARDS ............................................................................ 5
OVERALL CIRCUIT DIAGRAM ......................................................... 8
PARTS LIST
PK
001697
Copyright (c) Yamaha Corporation. All rights reserved. PDF-K702
’03.03
The PSR-172 service manual provides only the differences as
compared with the PSR-170. You must have a PSR-170 service
manual (
PK 001652
) before servicing this unit.