Table Of Contents; Introduction - Yamaha Avantgard N3 Maintenance Handbook

This booklet is the service technician manual for the AvantGrand N3, N2, N1 and NU1.
It contains technical service information needed for providing product after-service mainly
by piano service personnel.
Please also refer to the service manual if there any areas not covered by the service
information in this manual.
INTRODUCTION
SERVICE CHECK POINTS
PIANO ACTION ADJUSTMENT POINTS & STANDARD DIMENSIONS
KEY SENSOR MEASUREMENT & SENSOR HEIGHT ADJUSTMENT
N1 AND NU1 KEY SHUTTER INSTALLATION PROCEDURE
EXTERNAL PART FINISHING LIST
N3 PARTS LIST
N2 PARTS LIST
N1 PARTS LIST
NU1 PARTS LIST
N3 DISASSEMBLY PROCEDURE
N2 DISASSEMBLY PROCEDURE
N1 DISASSEMBLY PROCEDURE
NU1 DISASSEMBLY PROCEDURE
N3, N2 KEY COVER ASSEMBLY-REPLACEMENT PROCEDURE
N3 TOP BOARD (F) ASSEMBLY-REPLACEMENT PROCEDURE
N1 KEY COVER REPLACEMENT PROCEDURE
N1 ARM LOWER ASSEMBLY REPLACEMENT PROCEDURE
N1 ARM UPPER ASSEMBLY REPLACEMENT PROCEDURE
Q&A
2

INTRODUCTION

CONTENTS
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